Elements of Zoology |
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abdomen adapted Africa allied form animals antennæ armed ascidian attached attain a length beak bill birds bivalve body bones branch breathe burrows Carnivora cells cilia cilium claws clinging color common coral covered crabs crustaceans curious dorsal dorsal fin eggs extinct extremely eyes feathers feet female fins fishes Florida foot four gills habits hair hatched head hibernate holes hollow Holothurians horns horny hundred Hydroids Hydrozoa inches incisors Indian insects Island jaws lancelet larva larvæ legs limbs living luminous male mammals mandible marsupials membrane mollusks mouth nest North America NOTE.-The organs ovipositor pair pass plates Popular Science pouch prey protected quadrate bone remarkable reptiles resemble sharks shell showing skeleton skin snakes South species are known spines stomach suckers surface swimming tail teeth tentacles toes trees tube upper VALUE.-The Vertebrates viviparous wings worms young