Occasional Papers of the Museum of Zoology 9 



smaller, testes smaller, cirrus-pouch larger, and the relation of 

 the vagina to the cirrus-pouch is somewhat different. This 

 species is not to be confused with P. ainhloplitis which also oc- 

 curs -in Ambloplites rupestris because of the great difference 

 in size and in anatomical details. 



B1BI.10GRAPHY 



La Rxjt, George R., 1914. A Revision of the Cestode Family 

 Proteocephalidae. Illinois Biological Monographs, I, p. 

 350. 



