NORTH AMERICAN CONCHOLOGT. 



233 



Page 





Page 



28 



Unio glans Lea. 



34 



29 



brevidens Lea. 





30 



tetralasmus Say. 



34 



30 



camptodon Say. 







U. decliris Conrad. 



34 



30 



obesus Lea. 



34 



30 



Hopetonensis Lea. 



34 



30 



Roanokensis Lea. 





30 



jejunus Lea. 





30 



complanatus Lea. 



34 





Ml/a complanata Sol. 



34 





rigida Wood. 







U. violaceus Spangler. 







purpureus Say. 







rarisulcata Lam. 



34 





coarctata Lam. 



34 





purpurascens Lam. 



34 





rhombula Lam. 







carinifera Lam. 







Georgina Lam. 







glahraia Lam. 







sulcidens Lam. 



35 





JluviatVis Green. 





31 



Griflathianus Lea. 



35 



31 



confertus Lea. 



35 



31 



paliatus RaveneVs letter. 



35 



31 



Watereensis L.ca. 

 U. Llareneli Conrad. 





32 



fulvus Lea. 



■')7 





U. icierinus Conrad. 



37 



32 



Congaraeus Lea. 





32 



declivis Sag. 



U. gcometricus Lea. 





32 



Blandingianus Lea. 



37 



33 



circulua L^ca. 



37 





Mga rotunda ? Wood. 



37 



33 



lens Lea. 



37 



33 



rubellus Conrad. 





33 



Masoni Conrad. 



38 



33 



rotundatua TMm. 



U. suhorhiculata Lam. 

 glehulus Say. 







suhglohosus Lea. 



38 



33 



personatUB Say. 

 U. capillaris Lea. 





Unio retusus Lam. 



U. torsa Raf. 

 ebenus Lea. 



U. myiiloides Conrad, 

 maculatus Conrad. 

 Kirtlandianus Lea. 

 subrotundus Lea. 



U. politus ? Say, 



brevialus? Crouch, 

 infucatus Conrad. 

 coccineus Lea. 



U. coccineus Hildretli's 

 letter, Conrad. 

 catillus Conrad. 

 Shepardianus Lea. 

 folliculatus Lea. 

 rectus Lam. 



U. praelongus Barnes. 

 recta Valen. 

 Sageri? Conrad. 



Mya prcElonga Wood, 

 dehiscens? Say. 



U. oriens Lea. 

 angustatus Lea. 

 lanceolatus Lea. 

 anodontoides Lea. 



U. teres? Raf. 

 teres Conrad. 

 pro ductus Conrad. 

 nasutus Say. 



U. rostratus Valen. 



Itlya nasuta Wood. 



U. sichrostratus? Say. 

 Fisherianus Lea. 

 Jayensis Lea. 

 lugubris Lea. 

 iris Lea. 



U. nebulosus Conrad, 

 tenuissimus Lea. 



Symph. tenuissiina Lea. 



An. purpurascens Swain. 



U. velum Say. 

 phase olus Wild. 



U. planulatus Lea. 

 cuneatus Barnes. 



