104 



Annals of the Carnegie Museum. 



females of various species. The ovaries have been dissected out and 

 the number of young ascertained by carefully picking the ovary to 

 pieces. In pregnancy the abdomen is greatly distended and the 

 ovary fills a large part of the body-cavity. The ovary is exceedingly 

 thin-walled, and as suggested by Ryder, the gravid follicles are hung 

 together very much in the manner of a bunch of grapes. They are 

 readily separable. 



