24 Olive B. Davies: The Anatomy of Ca-ryodes <lafre8vyi. 



Fig. I.— Bulimus dufresnyi (Shell) from a photograph. 



Fig. II. — Dissection of Bulimus dufresnyi. to show general posi- 

 tion of the organs. 



Fig. III. — Section across the Kidney and Heart, showing the 

 Kenopericardial canal. 



Fig IV. — The Reproductive System. 



Y'lg. V. — The Reproductive System dissected out. to show the 

 course of the vas deferens, and the shell gland. 



Fig. VI. — (A) Portion of Radula, showing teeth in position. (B) 

 Single tooth. 



