A Manual of Zoology for the Use of Students, Volume 2

abdomen Africa Amphibians anchylosed animal aperture Applied arch articulates beak birds body bones bony bragchia branchial canines Carnivora cavity Cervida Cetacea characterised characters clavicles claws composed comprising covered Crocodilia Crustacea deciduate dentition developed digits division dorsal eidos Elephants Eocene Europe extinct extremely feet fins fishes five toes foot fore-limbs furnished genus gills hair hallux head hind-feet hind-limbs hoofs horns horny Hyæna Hydrozoa incisors inhabits insects integument known length limbs living lower jaw lungs Mammalia Mammals mandible Marsupials maxillæ membrane Miocene molars Mollusca Monkeys mouth nostrils occur organs Owen patagium pectoral peculiar phalanges placed placenta plates portion possession posterior pous præmolars present Protozoa Quadrumana Reptiles ribs rudimentary Ruminants Scolecida shell single Sirenia skin skull Snakes sometimes species spines sternum stoma structure sub-order tail teeth tooth true Ungulata upper jaw usually ventricle vertebral column Vertebrata Vertebrates Whales whilst wings