. A civic biology : presented in problems. Biology; Sanitation. ANIMALS CLASSIFIED 189 ORDEH III. Ophidia (snakes). Body elongated, covered with scales. No limbs present. Examples : garter snake, rattlesnake1. ORDER IV. Crocodilia. Fresh-water reptiles with elongated body and bony scales on skin. Two-paired limbs. Examples : alligator, The common garter snake. Reduced to about one tenth natural size. Birds. - Birds among all other animals are known by their cov- ering of feathers and the presence of wings. The feathers are de- veloped from the skin. These aid in flight, and protect
. A civic biology : presented in problems. Biology; Sanitation. ANIMALS CLASSIFIED 189 ORDEH III. Ophidia (snakes). Body elongated, covered with scales. No limbs present. Examples : garter snake, rattlesnake1. ORDER IV. Crocodilia. Fresh-water reptiles with elongated body and bony scales on skin. Two-paired limbs. Examples : alligator, The common garter snake. Reduced to about one tenth natural size. Birds. - Birds among all other animals are known by their cov- ering of feathers and the presence of wings. The feathers are de- veloped from the skin. These aid in flight, and protect the body from 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 Hunter, George W. (George William), 1873-1948. New York : American Book Company
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