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abdomen allied Amphibia animal Annelida aperture appendages Applied arch attached auricle beak Birds Bivalves blood body bones bony branchial called canal canines carnivorous caudal fin cavity chambers characterised chitine ciliated cloaca common composed comprising consists Crustacea destitute developed distinct division dorsal eggs external extremely feet fins fishes fluid foot fore-limbs furnished gills gullet head heart hind-limbs horny Hydrozoa incisors inhabit insects integument intestine known Lancelet legs limbs living locomotion lower jaw lungs Mammalia Mammals mandibles membranous molars Mollusca mouth muscles muscular Nautilus nervous system notochord organs oviparous pair pectoral placed plates polypide polypite possess present Protozoa quadrate bone reproductive Reptiles respiratory ribs rudimentary Scolecida segments shell side single skeleton skin skull Snakes sometimes species spines stomach structure sub-kingdom surface swimming tail teeth tentacles thorax toes tube upper jaw usually ventral ventricle vertebral column Vertebrata whilst wings young zooids
Page 275 - ... swan, and occasionally darting it down at the fish which happened to float within its reach. It may, perhaps, have lurked in shoal water along the coast, concealed among the...
Page 275 - That it was aquatic is evident from the form of its paddles ; that it was marine is almost equally so, from the remains with which it is universally associated ; that it may have occasionally visited the shore, the resemblance of its extremities to those of the turtle may lead us to conjecture; its motion, however, must have been very awkward on land ; its long neck must have impeded its progress through the water, presenting a striking contrast to the organization which so admirably fits the Ichthyosaurus...