125 



Common Snapping Turtle, showing carapace (dorsal view), plastron (ventral 

 pht half) and left side view of shell, with side view of head and tail, (One-half 



Fig. 3. 



view of ripht 



size of original). Drawn by W. R. Walton in Laboratory of H. A. Surface, Harris- 

 burg, Pa. 



