84 ILLINOIS BIOLOGICAL MO.XOGRAPIIS [364 



LIST OF NEW SPECIES 



PAGE 



Alassostoma magnum - 66 



Alassostoma parvum 69 



Polystomu megacotyle - 37 



Poly stoma microcotyle 39 



Poly stoma opacum - 34 



Polystoma orhiciilare - 31 



Zygocotylc ceratosa - 72 



A preliminary description was given in the Journal of Parasitology, 

 3 :21-27. 



