A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Side 188
... teeth , which perforate five triangular pyramids , the whole forming a singular structure , known as " Aristotle's Lantern . " The mouth conducts by a pharynx and a tortuous œsophagus to a stomach , opening into a convoluted intestine ...
... teeth , which perforate five triangular pyramids , the whole forming a singular structure , known as " Aristotle's Lantern . " The mouth conducts by a pharynx and a tortuous œsophagus to a stomach , opening into a convoluted intestine ...
Side 192
... teeth ; it leads , by a short gullet , into a large stomach , from which a pair of sacculated diverticula are prolonged into each ray . A distinct intestine and anus may , or may not , be pre- sent ; but the anus is sometimes wanting ...
... teeth ; it leads , by a short gullet , into a large stomach , from which a pair of sacculated diverticula are prolonged into each ray . A distinct intestine and anus may , or may not , be pre- sent ; but the anus is sometimes wanting ...
Side 245
... teeth . The pharynx is muscular ; the gullet leads into a stomach with , usually , capacious lateral cæca ( fig . 114 , B ) ; and the anus is placed in front of or at the bottom of the posterior sucker . The alimentary canal is united ...
... teeth . The pharynx is muscular ; the gullet leads into a stomach with , usually , capacious lateral cæca ( fig . 114 , B ) ; and the anus is placed in front of or at the bottom of the posterior sucker . The alimentary canal is united ...
Side 247
... teeth ; but the Medicinal Leech ( Sanguisuga medicinalis , fig . 115 ) has its mouth furnished with three crescentic jaws , the convex surfaces of which are serrated with minute teeth . This species is chiefly imported from Germany ...
... teeth ; but the Medicinal Leech ( Sanguisuga medicinalis , fig . 115 ) has its mouth furnished with three crescentic jaws , the convex surfaces of which are serrated with minute teeth . This species is chiefly imported from Germany ...
Side 321
... teeth of chi- tine developed in its walls , and is succeeded by the true di- gestive cavity , called the " chy- lific stomach " ( ventriculus chy- lopoieticus ) . From this an in- testine of variable length pro- ceeds , its terminal ...
... teeth of chi- tine developed in its walls , and is succeeded by the true di- gestive cavity , called the " chy- lific stomach " ( ventriculus chy- lopoieticus ) . From this an in- testine of variable length pro- ceeds , its terminal ...
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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