CATALOGUE OF UNIOS, ETC. 11 



* 



No. 31. IT 11 io muHiradiatus, Lea. 

 fasciola? Raf. 



No. 32. UniQMBBiH&r Barnes, 

 ^netanevra? Raf. 



No. 33. Unio ^ftlfcgyiQr Raf. 



pustulatus, Lea. 



No. 34. IJiiio ovatus, Say. 

 / No. 35. Unio parvus, Barnes. 



No. 36. Unio perplexus, Lea. 



gibbosa? Raf. 



No. 37. Unio personatus, (female,) 

 capillaris, (female,) Lea. 

 pileus, (male,) Lea. 



/ No. 38. Unio phaseolus, Hildreth. 

 planulatus, Lea. 

 camelus, Lea. 



