. A civic biology : presented in problems. Biology; Sanitation. 188 ANIMALS CLASSIFIED CLASSIFICATION OF AMPHIBIA ORDER I. Urodela. Amphibia having usually poorly developed appendages. Tail persistent through life. Examples: mud puppy, newt, salamander. ORDER 11. Anura. Tailless Amphibia, which undergo a metamorphosis, breath- ing by gills in larval state, by lungs in adult state. Examples: toad and frog. Characteristics of Reptilia. These animals are char- acterized by having scales developed from the skin. In the turtle they have become bony and are connected with the internal skeleton. Rep-
. A civic biology : presented in problems. Biology; Sanitation. 188 ANIMALS CLASSIFIED CLASSIFICATION OF AMPHIBIA ORDER I. Urodela. Amphibia having usually poorly developed appendages. Tail persistent through life. Examples: mud puppy, newt, salamander. ORDER 11. Anura. Tailless Amphibia, which undergo a metamorphosis, breath- ing by gills in larval state, by lungs in adult state. Examples: toad and frog. Characteristics of Reptilia. These animals are char- acterized by having scales developed from the skin. In the turtle they have become bony and are connected with the internal skeleton. Rep- tiles always breathe by means of lungs, differing in this respect from the amphibians. They show their distant re- lationship to birds in that their large eggs are incased in a leathery, limy The leopard frog, an amphibian. CLASSIFICATION OF REPTILES ORDER I. Chelonia (turtles and tortoises). Flattened reptiles with body inclosed in bony case. No teeth or sternum (breastbone). Examples: snapping turtle, box tortoise. ORDER II. Lacertilia (lizards). Body covered with scales, usually having two-paired appendages. Breathe by lungs. Examples: fence lizard, horned 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
Size: 1678px × 1488px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., boo, bookpublishernewyorkamericanbookcompany, booksubjectbiology
