90 ILLINOIS BIOLOGICAL MONOGRAPHS [308 



PLATE I 



Fig. 1. Cydocoelum leidyi, dorsal view. X12. 

 Fig. 2. Portion of the egg filled uterus of Cydocoelum leidyi. X45. 



Fig. 3. Cydocoelum mutabtte (Zeder). Specimen No. 284 from Mehlis Collection, dorsal 

 view. X12. 



