Ectocondyloid surface (Gr. ektos out of, and
kondylos a protruberance), 225.
Ectocuneiform (Gr. ektos out of, and Lat. cuneus
a wedge), 236; of the hind foot in animals, 243,
244.

Ectometatarse (Gr. ektos out of, meta over, and
tarsos the palm of the hand or foot), 225.
Ectocnemial ridge (Gr. ektos out of, and kneme
the knee), 224.

Ectopterygoid (Gr. ektos sixth, pteryx a wing,
and eidos likeness), angle of the, 194, 195 et
scq. sæpe.

Edaphodonts (Gr. dapto to tear, and odous a
tooth), dental masses of the, 274.
Edentata (Lat. edens eating), skeletons of the,
227; dentition of the, 295.

Education, object and effects of, 23; delusion de-
stroyed thereby, 24; what kind should be pro-
vided, 26; on the proper direction of, 28; the
controller of thought, 114.

Eel, nerve-tubes of the, 51; progress and develop-
ment of incubation in the, 82, 83.
Electric science (Gr. electrum amber), purely
inductive, 15.

Elements of organic nature, 39 et seq.
Elephant (Gr. elephas ivory), its larynx and
voice, 142; its tarsal bones, 243, 244; dentition
of the, 268, 269, 278, 301; its skull and teeth,
285; its tusks and molars, 286 et seq.
Emotion, physiology of, 110.

Enamel of the teeth, 266; of the clephant's tooth,
291.

Endoskeleton (Gr. endos and skeletos the inner
skeleton), 212.

Entocalcaneal process (Gr. entos within, and
Lat. calcaneum the heel), 225.
Entocondyloid cavity (Gr. entos within, condylos
a protruberance, and cidos resemblance), 225.
Entometatarse (Gr. entos within, meta over, and
tarsos the palm of the hand or foot), 225.
Entopterygoids (Gr. entos within, and ptery-
goidos wing-like), 179, 235.

Entosternum (Gr. entos within, and sternon the
breast-bone), 216.

Epapophysis (Gr. epi above, and apophysis
springing from), 169.

Epicnēmial ridge (Gr. epi upon, and kneme the
knee), 224.

Epidermoid system (Gr. epi upon, and dermos
the skin), 222.

Epiglottis (Gr. epi and glotta on the tongue),
function of the, 124, 125.

Epiphyses (Gr. epi and phuo growing upon), the
ossified ends of bones, 166.

Episternal (Gr. epi and sternon on the breast-
bone), 216.

Episternum (Gr. ut ante), 216; of the crocodile, 210.
Epitympánic bone (Gr. epi and tympanon on the
drum), 177.

381

Error, observation often a source of, when not
directed by knowledge, 26, 27.

Errors, popular, 24.

Eskimo population of America, 350, 351.

ETHNOLOGY (Gr. ethnos a nation, and logos
a discourse), general treatise on, 305 et seq.;
varieties of the human species, 306; physical
structure of different races, 307; physiognomy
and language, 308; features and habits of the
Cochin-Chinese, 309; the Cochin-Chinese and
the Mincope, 300; texture and colour of hair in
different races, 311; civilisation and barbarism
of the East, 312; the various Hindu and Tartar
races, 313; table of Eastern dialects, 314; vari-
ous dialects of the East, 315: primary divisions
of the Eastern races, 316; the Mongolians, 316
et seq.; the Tungusians, 319; the Turks, 321;
the Ugrian races, 322-324; the Majiars of Hun-
gary and the Voguls, 323; the Asiatic Peninsular
stock, 325; the Koriak and Caucasian tribes, 326;
the great Caucasian families, 327, 328; physical
conformation of the Caucasians, 329; the Cau-
casian languages, 329 et seq.; the Circassian
language, 332, 333; the Mizhdzhedzhi, the
Irôn, and the Georgian populations, 334; the
Persian stock, 335; the Kafir population, 336;
the INDIAN stock, 340; the OCEANIC group,
341; Protonesian branch of the Amphinesians,
342; the Micronesians, the Polynesians, and the
Malegasi of Madagascar, 343; the Papuans,
Australians, and Tasmanians, 344; the Fee-
jeeans, 346; the Semangs and Jokongs, 347;
the Arru Islanders, 348; the AMERICANS, 349;
the Eskimo population, 351; the Athabaskan
races, 351; the Algonkin tribes, 351, 352; the
Iroquois tribes, 352; the Sioux, the Woccoas,
the Catawbas, the Cherokees, the Choctas, the
Creek Indians, and the Caddos, 353; the Pa-
ducas and their numerous tribes, 354-356; the
Quichua, 357; the Caribs and the Guarani,
358; the Chilino Indians, and the Patagonians,
360; the Waran Indians, 361; races of Peru,
Bolivia, and Chaco, 362; Indians of the interior
of Brazil, Peru, and Bolivia, the Chiquitos, the
Chacos, the Abiponians, &c., 362; the AFRICAN
stock, the Arameans, and the Egyptians, 364;
the Amazing and the Nilotic class, 365; the
Kaffres and the Hottentots, 366; the Abyssinians
and the Negroes, 367; the Africans of the nor-
thern tropics, 368: the EUROPEAN group, 369;
the Basks and the Kelts, 370; the Italian and
the Hellenic populations, ib.; the Sarmatians
and the Germans, 371; the Sanskrit language of
India, ib.

Ethnography (Gr. ethnos a nation, and graphe
a description), 305, 306. (See above.)
Europe, the different races of, 369 et seq.
European skull, facial angle of the, 262.

Eustachian process (leading from the pharynx to
the tympanum, so called from Eustachius the
discoverer), 235.

Ex-occipitals of the python (Lat. ex from, and
occiput the back of the head), 192.
"Exhaustions," method of, 5.

Exoskeleton (Gr. ex and skeletos the outer skele-
ton), 212.

Eyes of different animals, 99 et seq.

F

Fabella (Lat. a little bean) of the sloth, 246.
Facial angle, representations of the, in various
animals, 261; of the Australian and the Euro-
pean, 262.

Fæces (Lat. fax, the dregs of anything), propor-
tion of discharged, 67.

Fat, a constituent of organic bodies, 47; different
from adipose tissue, 53; extensively diffused
through the animal kingdom, ib.
Feejeeans, characteristics of the, 345, 346.
Femur (Lat. the thigh-bone) of the crocodile, 212.
Fernando Po, physical characteristics of, 367.
Fibre, muscular, on the contraction of, 48, 49.
Fibrine (Lat. fibræ, hair-like sprouts), properties
of, 45; proportion of, in blood, 56.
Fibrous nervous matter, 20, 51.

Fibula (Lat. fibula the lesser bone of the leg) of
the crocodile, 212; of the sloth, 246.
Filamentous texture of the animal system, 48.
Finlanders, a tribe of the Ugrian stock, 324.
Fins of fishes, their locomotive power, 90, 91;
structure of the, 183; the ventral, 186; general
action of the, ib.

First Cause, on the, 30; natural evidence of a,
32.
Fishes, circulation of the blood in, 64; respiration

in, 76; locomotion of, 90; leaping of, 96; acute
smell in, 98; eyes of, 100, 101; no tears in, 102;
their sense of hearing, 104-of taste, 105-of
touch, 107; extreme degree of heat they can
bear, ib.; sounds uttered by, 151; composition
of their bones, 162; vertebræ of, 172; skeleton
of, ib. et seq.; the first forms of vertebrate life,
180; arrangement of bones in their heads, ib.;
modifications of the jaws of, 181; their caudal
vertebræ, 182; modifications of the fin-rays of,
183; osteological structure of their heads, ib.;
adaptation of their skull and skeleton to aquatic
life, 184, 185; action of their fins, 186; their
dental system, 269; shedding and renewal of the
teeth in, 274.

Fleas, their wonderful power of leaping, 95.
Flies, locomotion of, 89.

Fluorine (Lat. fluo to flow), elements of, 43.
Flying lizard, vertebræ of the, 199.

Foetus (Lat. foto to bring forth young), circula-
tion of the blood in the, 62.

Food, the various functions employed in its distri-
bution through the animal system, 36, 37; trans-
mutation of into chyle and fæces, 67; changes
which it undergoes, 71.

Foot, distinct bones of the, in different mammalia,
243, 244; law of simplication of the, 244.
Foramina (Lat. foramen an opening), 193.
Forces, doctrine of, 10.

Frog, red corpuscles of its blood, 58; croaking of
the, 150; skeleton of the, 187, 189, 190; meta-
morphosis of its skeleton, 188; of its skull, 189.
Frontal segment, or vertebræ, 177.

Frontals (Lat. frons the front) of the python's
skull, 193.

Fuegians of S. America, 360.

Furcŭlum bone (Lat. furca a fork), 221.

Function, general use of the term in physiology, 35.
Functions, vegetative and animal, 36; of repro-
duction, 38; table of in 39.
man,
Funerals of the Mongolians, 318.

G

Galeopethecus (Gr. gale a weasel, and pithikos
a monkey), teeth of the, 300.

Ganoid (Gr. ganos brightness), a term applied to
the scales of certain fishes, 164.

Gasteropods (Gr. gaster the belly, and podes
feet), respiration in, 77.

Gastric juice (Gr. gaster the stomach), 36;
changes which it effects in the stomach, 71.
Gelatine (Lat. gelo to congeal), elements and
properties of, 46.

Geology (Gr. ge and logos a discourse on the
earth), lessons taught by, 22.

Geometry (Gr. ge and metron the measuring of
land), demonstrative principles of, 3, 4.
Georgian language, 330.
Georgian population, 334.

German races and their languages, 370.
Germination of seeds (Lat. germino to bud),
process of, 85.

Gibbons, larynx and voice of the, 143.
Ginglymoid condyle (Gr. ginglymos and eidos
hinge-like), 178.

Giraffe, skeleton of the, 236; bony structure of its
head, 238.

Glaucus (Lat. glaucus sea green), locomotion of
the, 89.

Globuline (Lat. globus a ball), principles of, 46.
Glossohyal (Gr. glossa the tongue, and hyoid
the bone like the Greek letter upsilon), 181.
Glottis (Gr. glotta the tongue), 123; on the use
of the term, 125; the seat of the human voice,
125, 126.

Glutĕi (Lat. the buttocks), 231.

Glyptodons (Gr. glupho to engrave, and odous
a tooth) of S. America, 165.

Gobioids (Lat. gobio a gudgeon, and Gr. eidos
resemblance), cstecdentine of the, 273.

God, an infinite, intelligent Power, 30.
Goldfinch, song of the, 149.

Goniodonts (Gr. gonia an angle, and odous a
tooth), teeth of the, 270.

Goose, skeleton of the, 222; quill feathers of the,

223.

Gorilla, dentition of the, 293.
Gouaqua tribe of Africa, 366.
Grasses, the great family of, 21.

Grasshoppers, their wonderful power of leaping, 93;
musical sounds of the, 151.

Gravity, law of, discovered by observation, 12.
Grinders of the elephant, 289 et seq.

Gryllotalpa (Gr. grillizo to grunt, and Lat. talpa
a mole), bones of the, 264.

Guarani Indians of S. America,358; their language,

359; different tribes of the, ib.

Guenoas Indians of S. America, 362.

Gum, general prevalence and use of, 47.

H

Hæmal arch (Gr. haima blood), of the vertebra,
168, 177; of the occipital vertebra of the cod-
fish, 175; called the hyoidean arch, 177.
Hamal arches of the skull-the scapular, the hyoi-
dean, the mandibular, and the maxillary, 180;
diverging appendages of the-the pectoral, the
branchi-ostegal, the opercular, and the ptery-
goid, 180.

Hamal spine of parietal vertebra, its divisions-
basihyal, glossohyal, and urohyal, 177.
Hæmapophyses (Gr. haima blood, and apophysis
springing from), bones of the vertebra, 168 et
seq. sæpe.

Hæmapophysis of the parietal vertebra, its divi-
sions-epihyal and ceratohyal, 177.

Haidah Indians of N. America, 354.
Hailtsa Indians of N. America, 355.

Hair, texture and colour of, among the different
races of mankind, 311.

Hallux (Lat. the great toe), 221.
Hare Indians of America, 351.

Harpyia Pallasii (Gr. harpazo to scize, and

Pallas the goddess Minerva), wings of the, 94.
Head, bones of the, 179; and their classification,
179, 180; structure of the, in fishes, 183.
Health, important precepts supplied by physiology
for the maintenance of, 157.

Hearing, sense of, in various animals, 103, 101;
absence of, the cause of dumbness, 139; organ of,
171; in the cod-fish, 176; the petrosal and the
otosteal of the cod-fish, 176, 177.

Heart, anatomy of the, 63; its mechanism, 61.
Heights, inaccessible, first rude measurement of,
8, 9; application of trigonometry to, 9.
Hellenic races, and their languages, 370.
Hemǎtosine (Gr. haima blood), principle of, 46.
Himalaya, mountain tribes of the, 312, 313.
Hindostan, mountain tribes of, 313.

383

Hippopotamus (Gr. hippos a horse, and potamos
a river), skeleton of the, 240; tarsal bones of
the, 243, 244.

Hippuric acid (Gr. hippos a horse, and Lat. urina
urine), properties of, 47.

Hog, its larynx and voice, 142; osteology of the,
241; dentition of the, 302.

Holoptychius (Gr. holos entire, and ptychos a
fold), plicidentine of the, 273.

Hoofed beasts, even-toed, osteological characters
of, 241.

Hoofed quadrupeds, skeletons of, 232.
Hornbill, enormous beak of the, 167.
Horny matter, varieties of, 46.

Horse, its laryngeal organs, 141; skeleton of the
232; its vertebral formula, 233; its tarsal bones,
243, 244; inicisor tooth of the, 267; herbivorous
dentition of the, 283; its upper and lower molars,
281; development and succession of teeth in
the, 285.

Hottentot race of Africa, 366; their characteristics,
ib.; various tribes of the, ib.

Human species, varieties of the, 305 et seq. (sec
ETHNOLOGY).

Human teeth, homologies of the, 303.
Hungarians, a tribe of Ugrian stock, 322, 323
Hyrna, dentition of the, 281; strength of his
jaw, ib.

Hybodus (Gr. hybos hump-backed, and odous
a tooth), osteodentine of the, 273.

Hydra viridis (Gr. hydor water, and Lat. viritis
green), locomotion of the, 87.

Hydrogen gas (hydor water, and gennao to gene-
rate), experiment of burning with oxygen gas,
16; properties of, 42.

Hydromys (Gr. hydor water, and mus a mouse),
278.

Hyoidean arch (Gr. u-eidos like the letter U),
the name of a hæmal arch, 177, 181.
Hyosternal (Gr. hyo, and sternon the breast
bone), 216.

Hypapophysis (Gr. hypo below, and apophysis
springing from), 169.

Hyperoodon (Gr.hyper above, and odous a tooth),
dentition of the, 278.

Hypotenuse (Gr. hypo under, and teino to subtend
an angle), mathematical properties of the. 3.
Hyposternal (Gr. hypo under, and sternon the
breast-bone), 216.

Hypotympánic bone (Gr. hypo and tympanon
under the drum), 178.

Hyrax (Gr. hyrar the rock rabbit), dentition of
the, 301.

I

Ichthyosaurus (Gr. ichthus a fish, and saura a
lizard), vertebræ of the, 202.

Icosandrous plants (Gr. eikosi twenty, and aner
a man), their edible properties, 21.

Iguana, osteology of the, 199, 200.
Iguanodon (iguana a saurian reptile, and odous

a tooth), dentition of the, 275.

Iliac bones (Lat. ilia the flanks), 217.
Incisor tooth, magnified section of the, 264.
Incisors (Lat. incædo to cut in), of the carnivora,
281.

Incubation (Lat. incubo to sit upon), progress of,
in the egg, 82, 83.

India, different races of, 312, 313; populations of,
340; languages and religion of, ib.; languages
derived from, 372.

Indian races of the American group, 349 et seq.
Induction, abuse of the term, 25, 26.
Industrial education, importance of, 6, 27.
Inert matter distinguished from organic, 34.
Infero-branchiata (Lat. inferus beneath, and
branchia the gills), respiration in the, 77.
Infusōria (Lat. infusus infused), microscopic ani-
malcula, 87.

Inquiry, natural to man, 159.
Insects, circulation of the blood in, 66; respiration
in, 77; locomotion of, 89; their action in leap-
ing, 96; smell of, 97; eyes of, 160; their sense
of hearing, 103; their sense of touch, 106; an-
tennæ of, 107; on the buzzing produced by, 151,
152.

Instinct, powers of, 111, 112.

Intercondyloid tract (Lat. inter between, and Gr.
kondylos a protuberance), 225.

Iodine (Gr. iodes resembling a violet), elements
of, 42.

Ischium (Gr. ischis the lumbar region), 217.
Iroquois tribes of N. America, 352, 353.
Iron, its important offices in organic nature, 45.
Iron language of the Caucasus, 330.

Irôn population, 334.

Italian races of Europe, and their languages, 370.
Ivory, supplied from the discovered tusks of the
mammoth, 286; musket-balls often found in, ib.

J

Jacchus (Gr. iacho to cry aloud), dentition of the,
300.

Jackdaw, voice of the, 149.

Japanese, a tribe of the Asiatic l'eninsular stock,
325, 326.

Jaws of fishes, modifications of the, 181; of the
boa constrictor, 195.

Jay, voice of the, 149.

Jokongs, characteristics of the, 347; their lan-
guage, ib.

K

Kabails, race of the, in Africa, 365.

Kafir population of Asia, 336; their religion, 337;
customs and characteristics of the, 337, 338.
Kaffre race of Africa, 366.

Kamskǎdales, a tribe of the Asiatic Peninsular

stock, 325.

Kangaroo, its action in leaping, 95; its larynx
and voice, 142; skeleton of the, 253.
Kelænonesian population, 344.

Kelts, races of the, 370.

Kenay Indians of Cook's Inlet, 351.
Kestrel, voice of the, 149.

Kiatka, the frontier town of Mongolia, 316.
Kidneys, structure and functions of the, 78, 79.
Kitunaha tribe of N. America, 355.
Knowledge, on the nature and uses of the great
departments of, 1; first rudiments of, 2; promi-
nent groups of, 2; arrangement of, 23; uses of,
ib.; not to be sought in speculation, 159.
Koluch tribes of N. America, 354.
Koraqua tribe of Africa, 366.

Koriaks, a tribe of the Asiatic Peninsular stock,
325, 326; a general name for various Asiatic
tribes, 326.

Kreatine (Gr. kreas flesh), elements and proper-
ties of, 46.

L

Labroids (Gr. libros voracious, and eidos ap-
pearance), dentine of the, 272.
Labyrinthodonts (Gr. labyrinthos a labyrinth,
and odous a tooth), a singular variety of extinct
Batrachians, 267; teeth of the, ib.

Lacrymals (Lat. lacrymæ tears), 194.
Lacteal vessels (Lat. milk), functions of the, 36,
68, 69.

Lamelliform teeth of fishes (Lat. lamina a thin
plate, and forma shape), 271.

Lancelet-fish, skeletal framework of the, 169.
Language, a mental manifestation, 307; structure
of, among different races, 308; monosyllabic
forms of, in the East, 313; of the Caucasian
races, 330, 331; of the Circassians, 332, 333.
Languages, origin and progress of, 135; of the

East, 314, 315; of the Occanic tribes, 347, 348.
Lark, song of the, 147.
Larynx (Gr. larynx a whistle), anatomical struc-
ture of the, 119; basement ring of the, 120, 121;
chink of the, 123; muscles of the, 123, 124;
different theories respecting the, 126; experi-
ments on the, 127, 128; of the ruminants and
pachydermata, 141; of birds, 143 et seq.
Leaping of different animals, 95, 96.
Leech, locomotion of the, 89.

Lemurida (Lat. lemur a hobgoblin), teeth of the,
300.

Lemurs, teeth of, 300.

Lepidostren (Gr. lepis a scale, and siren a water-

nymph), ostcodentine of the, 273.

Lepidosteus (Gr. lepis and osteon bony-scaled),
a fish of the Ohio, 164.

Leptobranchii (Gr. leptos slender, and branchos
the throat), order of the, 269.

Lesgians, tribe of the; 334.

Life, the physical and chemical changes which
accompany, 35.

Lignine (Lat. lignum wood), properties of, 47.
Limbs of animals, nature of, 242; of the protop-
terus, ib.; of the sloth, 246, 247; of the batra-
chians, 187.

Linnet, song of the, 149.

Lion, larynx and voice of the, 142; skeleton of the,
250-252; its jaws and teeth, 280, 281.
Liquor sanguinis (Lat, the sanguiferous fluid), 54.
Lithophytes (Gr. lithos a stone, and phuton a
plant), the food of the Scari, 273.

Liver, on the structure and functions of the, 73.
Lizards, locomotion of, 92; larynx and voice of, 150;
osteology of, 198, 199; dental system of, 275.
Lobster, its shell a skeleton, 50; circulation of blood
in the, 65; locomotion of the, 89; its sense of
smell, 97.

Locomotion of different animals, 87 et seq.
Logarithms (Gr. logos and arithmos a discourse
on numbers), great utility of, 7.
Loggerhead, a species of turtle so called, 214.
Lolo, mountain tribes of, 315.

Lophioid fishes (Gr. lophos a crest or inane, and
eidos resemblance), 185.

Lophius (Gr. lophos a crest), dentine of the, 272;
plicidentine of the, 273.

Loucheux Indians of America, 351

Lumbar vertebræ (Lat. lumbus the back), 203.
Lunare (Lat. one of the carpal bones), 258.
Lunes (Lat. luna the crescent moon) of Hippo-
crates, 5.

Lungs, mechanism of the, 61; structure and func-
tions of the, 74.

Lymph (Lat. lympha pure water), its property
and uses, 60; probable origin of the, 67.

M

Macropus elegans, or kangaroo (Gr. makros long,
and pous a foot), skeleton of the, 253.
Macusi Indians of America, 359, 360.
Magnetism (Gr. magnes a magnet), science of,
15; properties of, 44.

Magnitude, mathematical illustrations of, 5.
Magnitudes, curvilinear, measurement of by recti-
linear, 6.

Magnum (Lat. magnus great), one of the carpal
bones), 258.

Magpie, voice of the, 149.

Majiars of Hungary, a tribe of the Ugrians, 322.

Malacca, ethnography of, 341.

Malay population, 342.

Malegasi population of Madagascar, 343.
Malpighian bodies of the kidney, 79.

Mammalia, Mammals, or Mammiferous animals

(Lat. mamma a teat), locomotion of, 93; the
kidneys in, 78; smell in, 98; auditory apparatus

385

of the, 105; sense of touch in, 108; their voices,
140; bones of the, 162, 167; principal forms of
the skeleton in the, 226; dental system of the,
278, 279.
Mammoths, tusks of, discovered in various parts
of the world, 286; molars of the, 287, 288.
Man, digestive apparatus of, 36; principal organs
of circulation in, 61; air-tubes and lungs of, 74;
the kidneys in, 79; his action in leaping, 95;
his organs of voice and speech, 119; his organs
of smell, 98, 99; inquiry natural to, 159; limbs
of, 227; skeleton of, 255 et seq.; his varied
powers of action, 257; skull of, 258; his adapta-
tion to an erect posture, 257; modifications of
the skeleton of, 258; the sole species of his genus,
and the only representative of his order, 263;
his teeth, deciduous and permanent, 303.
Mandibular arch (Lat. mandibula the jaw) of
the boa-constrictor, 195.

Mandrucu Indians of S. America, 361.

Manganese, where found, 45; its existence in the
crust of the earth, 86.

Mankind, importance of the skull in judging of the
varieties of, 307; texture and colour of hair
among the different varieties, 311; various
mountain tribes of the East, 312, 313, 315; the
primary divisions of, 316.

Manubrium (Lat. a hilt) of the mole, 248.
Manzanillo Indians of Central America, 359.
Marmoset monkeys, teeth of the, 300.
Marsupial bones (Gr. marsupion a pouch), 163.
Martedane Indians of S. America, 364.
Mastodon giganteus (Gr. mastos an udder, and
odous a tooth), tusks of the, 294.

Mastoid (Gr. mastos and eidos nipple-shaped), 193
MATHEMATICS (Gr. mathema learning), de-
monstrative principles of, 3; objects of, 5;
truths of, self-evident, 7; laws of, different from
physical laws, 11; its truths intuitive, 4, 28;
demonstrations of, necessary truths, 32.
Maxillary bone (Lat. maxilla the jaw), 178, 181;
of the boa-constrictor, 194; diverging appendages
of the, 259.

Measurement of inaccessible heights, 9.
Medicine (Lat. medico to heal), physiology the
handmaid of, 157; and the truest guide in, 158.
Medusa, their locomotive organs, 87.
Megalichthys (Gr. megas great, and ichthus a
fish), dentine of the, 272.

Megalosaurus (Gr. megas great, and sauros a
lizard), tooth of the, 275.

Megǎlonyx (Gr. megale great, and onyx a claw)
an extinct race of quadrupeds, 245.
Megatherium (Gr. mega great, and therion a
beast), an extinct race of quadrupeds, 245;
teeth of the, 294; deductions from the dental
system of the, 295.

Membranes, animal, produce sounds even when
relaxed, 130.

2 B