272 



BIBLIOGRAPHY OF 



Page. No. 



U. verrucosus alius 



Hildr. 

 pustulosus Lea. 

 224 31 Unio tuberculatus Raf 

 U. verrucosus Barnes. 

 verrucosus purpu- 



reus Hildr. 

 tuberculosus Val. 

 224 32 subrotundus Raf. 



U. rotundatus? Lam. 

 orbicidatus Hildr. 

 circulus Lea. 

 lens? Lea, y'g var. 

 224 33 obliquatus Raf. 

 I '. sulcatus Lea. 

 224 34 triangularis Raf. 



U. ellipsis Lea. 

 224 35 scalenius Raf. 



U. decisus? Lea, var. 

 224 36 obovalis Raf. 



U. ebenus Lea. 

 224 37 stegarius Raf. 



U. irroratus Lea. 



224 38 mytiloides Raf. 



U. caridiacta Say of 

 Guerin. 

 pyramidatus Lea. 



225 39 cuneatus Raf. 



U. patulus Lea. 

 225 40 gibbosus Raf 

 I '. pi rplexus. 

 225 41 costatus Raf. 



U. peruvianas? Lam. 

 undulatus Barnes. 

 225 42 teres Raf. 



U. anodontoides Lea. 

 225 43 Ohioensis (Anod.) 



Raf 



Sgmph. Isevissimus Lea. 



inflatus? Lea, 



var. 



P. of repr. Name. 



On page 4 of cover— 



225 Pecten varius /. 



225 Helix irrorata Say 



Unio calceolus Lea. 

 225 2 costata R<f. 



A. rugosa Barnes. 

 225 3 complanata Barnes. 



Locality. 



inn. Northern coast. 



= H. lactea Mull. 



