4:82 Illinois State Laboratory of Natural History. 



Dorsal view of shell. 



Palp of left second maxilla of male. 



First foot. 



Second foot. 



Caudal ramus. 



Plate XLVIII. 

 Cyjyria ohesa n. sp.: first foot. 

 Caudal ramus. 

 Second foot. 



Palp of left second maxilla of male. 

 Palp of right second maxilla of male. 

 6. Cyijria pustulosa n. sp.: inside view of right 

 ell. 



Lateral view of left valve of shell. 

 First foot. 

 Caudal ramus. 

 Second foot. 



Cypridopsis smaragdina Vavra: lateral view. 

 12. Rudimentary caudal ramus. 



