FIGURE 
57: 
58. 
59: 
60. 
61. 
62. 
Illustrations xi 
PAGE 
RESPIRATORY ORGANS OF ALLIGATOR. . 198 
HEART OF ALLIGATOR . : ‘ . Facing 202 
VEINS OF THE POSTERIOR REGION OF ALLI- 
GATOR . ‘ ‘ ‘ F , . 204 
VEINS OF THE ANTERIOR REGION OF THE ALLI- 
GATOR 209 
ARTERIES OF THE POSTERIOR REGION OF THE 
ALLIGATOR . ; : : : 213 
ARTERIES OF THE ANTERIOR REGION OF THE 
ALLIGATOR . : ; : ; . 215 
PLatTes VI To XXVIII. A SERIES OF FIGURES 
TO ILLUSTRATE THE DEVELOPMENT OF THE 
AMERICAN ALLIGATOR . . Following 342 
