250 



BIBLIOGRAPHY OP 



Page, 



, No. 



Name. 



Locality. 



5 



18 



Unio irroratiTs Lea. 



Scioto river. 



5 



19 



lappilus Say. 



Scioto river. 



5 



20 



multiradiatus Lea. 



Scioto river. 



5 



21 



phaselosus Bild. 

 var. U. camelus Lea. 



planantulus Lea. 



Scioto river. 



5 



22 



pustulosus Lea. 



Scioto river. 



5 



23 



parvus Barnes. 



Scioto river & Ohio canal. 



5 



24 



perplexus Lea. 



Scioto river. 



5 



25 



plicatus Say. 



Scioto river & Ohio canal. 



5 



26 



Rangianus Lea. 



Scioto river. 



5 



27 



rubiginosus Lea. 



Scioto river & Ohio canal. 



5 



28 



rectus Lam. 



Scioto river. 



5 



29 



siliquoideus Barnes. 



Scioto river & Ohio canal. 



5 



30 



subrostratus Say. 



Scioto river. 



5 



31 



solidus L^ea. 



Scioto river. 



5 



32 



Sayii Ward. 



Scioto river & Ohio canal. 



5 



33 



tuberculatus Barnes. 



Scioto river. 



5 



34 



tenuissimus Lea. 



Scioto river. 



5 



35 



triangularis Barnes. 



Scioto river. 



5 



36 



verrucosus Barnes. 



Scioto river. 



5 



37 



ventricosus Barnes. 

 var. U. occidens Lea. 

 subovatus Lea. 



Scioto river. 



5 



38 



Alasmodon ambigua Say. 



Scioto river. 



5 



39 



calceola Lea. 



Scioto river & Ohio canal. 



5 



40 



truncata Say. 



Scioto river. 



5 



41 



rugosa Barnes. 



Scioto river & Ohio canal. 



5 



42 



Anodon aerolata Swain. 



Scioto river & Ohio canal. 



5 



43 



Buchanensis Lea. 



Scioto river & Ohio canal. 



5 



44 



Ferussaciana Lea. 



Scioto river & Ohio canal. 



5 



45 



imbecilis Say. 



Scioto river & Ohio canal. 



5 



46 



pavonia Lea. 



Scioto river. 



5 



47 



plana L^ea. 



A. decora Lea (young). 



Scioto river & Ohio canal. 



5 



48 



salmonea Lea. 



Scioto river. 



5 



49 



Cyclas edentula Say. 



Ohio canal. 



5 



50 



occidentalis Prime. 



Swamps. 



5 



51 



partumeia Say. 



Swamps. 



5 



52 



solidula Prime. 



Scioto river & Ohio canal. 



5 



53 



similis Say. 



Scioto river & Ohio canal. 



5 



54 



rhomboidea Say. 



Ohio canal. 



5 



55 



transversa Say. 



Scioto river & Ohio canal. 



6 



56 



Pisidium dubium Say. 



Scioto river & Ohio canal. 



6 



57 



compressum Prime. 



Ohio canal. 



