. Elements of zoölogy : a textbook. Zoology. MOXOTREMATA OR DUCKBILLS. '135 The Duckbill (Platypus) is another form of mono- trerae, which is covered with brown fur, and has a long flat muzzle very similar in its appearance to that of a duck, FIG. Duckbill, Platypus paradoxus. and which has webbed feet and a flat tail. This animal lives in ponds and quiet streams, and digs burrows in the banks. It represents the family of Ormthorhynchidae. PRINCIPAL TOPICS CONSIDERED IN CHAPTER II., SECTION II. SUB-SECTION I. The Mammalia defined. Their form and size. Their digestive system. Absorbent sy
. Elements of zoölogy : a textbook. Zoology. MOXOTREMATA OR DUCKBILLS. '135 The Duckbill (Platypus) is another form of mono- trerae, which is covered with brown fur, and has a long flat muzzle very similar in its appearance to that of a duck, FIG. Duckbill, Platypus paradoxus. and which has webbed feet and a flat tail. This animal lives in ponds and quiet streams, and digs burrows in the banks. It represents the family of Ormthorhynchidae. PRINCIPAL TOPICS CONSIDERED IN CHAPTER II., SECTION II. SUB-SECTION I. The Mammalia defined. Their form and size. Their digestive system. Absorbent system. Circulatory system. Respiratory system. Skeleton in general. Skull. Teeth. Dental formula. Muscular system. Repro- ductive system. Nervous system. Special senses. Classification of the Mam- malia. SUB-SECTION II. Man an order by himself. Erect attitude.——Forward pair of limbs liberated from the function of mere locomotion. Hand. — Brain. Face. Speech. Mental and spiritual endowments. SUB-SECTION III. Qnadrnmana defined. Their attitude not erect. Hand inferior to that of Man. Qnadrnmana inhabit warm regions. Catarrhine monkeys. Platyrhice monkeys. Strepsorhine quadrumana or Lemuroidea. SUB-SECTION IV. Carnivora defined. Cats. Hyenas. Civets. Bogs, etc. Fishers, Martens, Sables, Weasels, Minks, Gluttons, Skunks, Badgers, Otters, etc.— Bears, Raccoons, etc. Seals, and the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Tenney, Sanborn, 1827-1877. New York : Scribner
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