54() 



W. (t. MacCai.lum, 



^^^^A»*M/^^ 





/ 



CS 







e^** 



— -**s — O. Lr 



L. ^ic. S 



The figure was drawn wity the camera lucida and is magnified 15 times. 



G. C Genital Cloaca. ('. S Cirrns Sac. Ut Uterus. L. C Laurer's Caual. 0. V 



Ovary. S. G Shell Gland. T. T Testes. Vif Vitellarinn). Ex. S Excretory Sac. 



L. Ex. S Lateral Excretory Sac. 



