A manual of zoologyWilliam Blackwood & Sons, 1878 |
Inni boken
Resultat 1-5 av 80
Side 11
... portion of every vital action which cannot at present be referred to the operation of any known physical force . In It must , however , also be borne in mind that this residuum is probably not to be ascribed to our ignorance , but that ...
... portion of every vital action which cannot at present be referred to the operation of any known physical force . In It must , however , also be borne in mind that this residuum is probably not to be ascribed to our ignorance , but that ...
Side 39
... portion of their existence in a sexually immature condition , and die al- most immediately after they have become sexually perfect and have consummated the act whereby the perpetuation of the species is secured . 12. DEVELOPMENT ...
... portion of their existence in a sexually immature condition , and die al- most immediately after they have become sexually perfect and have consummated the act whereby the perpetuation of the species is secured . 12. DEVELOPMENT ...
Side 45
... portion of air which could not be expelled from the flasks experimented on ; or , they must have been able to withstand without injury a tempera- ture of over 212. Mr Crace - Calvert , indeed , asserts that he has experimentally shown ...
... portion of air which could not be expelled from the flasks experimented on ; or , they must have been able to withstand without injury a tempera- ture of over 212. Mr Crace - Calvert , indeed , asserts that he has experimentally shown ...
Side 53
... portion of the New Red Sand- stone . ) II . MESOZOIC OR SECONDARY ROCKS . 7. Triassic Rocks . ( Bunter Sandstein , or Lower Trias ; Muschelkalk , or Middle Trias ; Keuper , or Upper Trias . ) 8. Jurassic Rocks . ( Lias , Inferior Oolite ...
... portion of the New Red Sand- stone . ) II . MESOZOIC OR SECONDARY ROCKS . 7. Triassic Rocks . ( Bunter Sandstein , or Lower Trias ; Muschelkalk , or Middle Trias ; Keuper , or Upper Trias . ) 8. Jurassic Rocks . ( Lias , Inferior Oolite ...
Side 55
... portions of the body which act as these , are sometimes present ; but in many cases true sexual reproduction has not ... portion of the general surface of the body , and are capable of being again retracted , and of fusing com- pletely ...
... portions of the body which act as these , are sometimes present ; but in many cases true sexual reproduction has not ... portion of the general surface of the body , and are capable of being again retracted , and of fusing com- pletely ...
Innhold
327 | |
349 | |
363 | |
370 | |
378 | |
386 | |
398 | |
408 | |
141 | |
156 | |
166 | |
180 | |
191 | |
198 | |
206 | |
214 | |
222 | |
231 | |
245 | |
258 | |
268 | |
276 | |
286 | |
295 | |
302 | |
310 | |
425 | |
443 | |
457 | |
469 | |
475 | |
484 | |
510 | |
523 | |
537 | |
549 | |
568 | |
577 | |
590 | |
614 | |
779 | |
782 | |
Andre utgaver - Vis alle
Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson Ingen forhåndsvisning tilgjengelig - 2015 |
Vanlige uttrykk og setninger
abdomen adult alimentary canal ambulacral amongst animal Annelides antennæ anus aperture appendages Arachnida articulated attached birds bivalve body bones Brachiopoda branchiæ branchial calcareous carapace cavity cephalothorax chitinous ciliated composed comprising consists contractile Crustacea Ctenophora developed disc distinct division dorsal embryo Eocene external extinct extremity feet females fins fishes Foraminifera fossil furnished gemmation genera genus gills head horny Huxley Hydrozoa incisors Insects integument intestine known labium larva larvæ legs limbs living locomotive males Mammals mandibles margin maxillæ membrane molars Mollusca mouth nervous system operculum organs ovum Owen pairs Paleozoic parasitic placed plates polypide polypites Polyzoa portion possess posterior present regarded reproductive Reptiles resembling respiratory Rotifera rudimentary Scolecida segments shell side Silurian single skeleton sometimes somites species spines stomach structure sub-order surface tail teeth tentacles termed thorax toes transverse tube upper usually valves ventral Vertebrates vesicle whilst wings Zoantharia zooids