294 PLATE LXXXV. 



the sponge, but in this case they are not so, as will be 

 seen by the measurements already given. 



The gemmules are rather numerous. They are 

 membranous and round, or oval in form, and very 

 similar to those found in other species of the genus. 

 They vary considerably in size ; the largest and best 

 developed ones are attached to the inner surface of the 

 dermal membrane. One of the largest measured 

 sjni inch in diameter. 



