NORTH AMERICAN CONCHOLOGY. 



245 



No. 





Ko. 





132 



Planorbis armigerus Say. 



146 



Helix arborea Say. 



133 



bicarinatus Say. 



147 



cellaria. 



134 



campanulatus Say. 



148 



electrina Gould. 



135 



defiectus Say. 



149 



fraterna Say. 



136 



exacutus Say. 



150 



harpa Say. 



137 



lentus Say. 



151 



hortensis Mull. 



138 



parvus Say. 



152 



labyrinthica Say, 



139 



trivolvis Say. 



153 



lineata Say, 



140 



TJnio complanatus Sol. 



154 



pulchella Miill. 



141 



ochraceus Say. 



155 



striatella Anth. 



142 



radiatus Say. 



156 



Pupa contracta Say. 







157 



curvidens Gould. 





LA^'D SHELLS. 



158 



Gouldii. 







159 



modesta Say. 



143 



Bulimus lubricus Mull. 



160 



Succinea campestris Say 



144 



Helix albolabris Say, 



161 



ovalis Say. 



145 



alternata Say. 



162 



Vitrina pellucida Drap. 



Shaffer. — A complete List of Land and Fresh-water Shells 

 found in the immediate vicinity of Cincinnati, Ohio : by David 

 H. Shaffer. [Xo date.] 



No. 



1 Unio abruptua Say. 



U. orhiculatus Hildreth. 



2 .ffisopus Green. 



3 alatus Say. 



U. viie'japte.ra Raf. 



4 anodontoides (rare) Lea, 



U. teres Raf. 



5 catillus (rare) Conrad. 



U. coccineus Hildreth. 



Gouldianus (wh'e nacre) 



6 cicatricosua Say, [Ward. 



U. raricosus Lea. 



7 circulus Lea, 



U. lens Lea. 



sttbrotunda Raf. 



8 clavTis Lam. 



U. scalenia Raf. 

 patulus Lea. 



9 compressus Lra, 



Symfihonafd compressa Lea,, 

 10 Cooperianus Lea. 



No. 

 11 

 12 



Unio cornutus Barnes. 

 crassus Say, 



U. ellipsaria Raf. 

 eUijiticus Barnes. 

 carinatus Barnes. 

 lir/amentina Lam. 

 13 cylindricus Say, 





U. naviformis Lam 





solenoides Raf. 



14 



cuneatus Barnes. 





U. niijra Raf. 



15 



dehiscens Say. 





U. oricns Lea. 



16 



donaciformis Lea, 





U. ziij-za(j Lea. 



17 



ebenus />««. 



18 



elegans iea. 



19 



ellipsis -tea. 



20 



flavus Jlaf. 





U, ruhiyiiiosus Lea. 





triyonis Lea. 



