NORTH AMERICAN CONCHOLOGY. 



25 



Page. PI. Fig. Name. 



32 iv 1 Greenii Co wad, 



33 v 1 penirr 3 ( 'onrad. 



34 v 2 Masoni Conrad. 



35 v 3 delumbis Conrad. 

 3(3 v 4 arctatu-: Conrad. 



37 vi 1 pectorosus Conrad. 



3S vi 2 rubellus Conrad. 



39 vi 3 furvus Conrad. 



39 vi 4 Raveneli Conrad. 



41 vi 5 icterinus Conrad. 



42 vii 1 tenebrosus Conrad. 



43 * ii 1 altilis Conrad. 



43 ii 2 perovalis Conrad. 



44 iii 1 prasinua Conrad. 

 45' iii 2 infucatus Conrad. 



46 iii 6 oviformis Conrad. 



47 ii 3 perovatus Conrad. 



47 vii 2 Anodonta teres Conrad. 



48 viii 3 Paludina genicula Conrad. 



48 viii 4 magnifica Conrad. 



49 iv 6 Melania excurata Conrad. 



50 viii 1 Hydeii Conrad. 



51 viii 2 annulifera Conrad. 



51 iv 5 salebrosa Conrad. 



52 viii 5 pyrenella Conrad. 



52 viii 6 biteeniata Conrad. 



53 viii 7 comma Conrad. 



54 viii 8 lima Conrad. 



54 iv 7 alveare Conrad. 



55 viii 9 nassula Conrad. 



55 viii 10 cylindracea Conrad. 



56 viii 11 trochiformis Conrad. 



57 viii 12 vestita Conrad. 



57 Ancylus filosus Conrad. 



Locality. 



Black Warrior riv., Ala. 



Alabama river. 



Savannah river. 



Cooper river, S. C. 



Alabama & Black War- 

 rior river. 



Elk river. 



Black Warrior river. 



Black Warrior river. 



Cooper river & Wateree 

 Canal, S. C. 



Savannah river. 



Rappahannock, Vi., & 



South Carolina. 

 Alabama. 



Alabama river. 

 Fox River. 

 Flint River. 

 Tennessee. 

 Greene Co., Ala. 

 Santee Canal, S. C. 

 Flint river, Ga. 

 Ala. river (Claiborne). 

 Tenn. riv. at Florence. 

 Black Warrior riv. , Ala. 

 Black Warrior riv., Ala. 

 Tenn. & Holston rivers. 

 North Alabama. 

 Black Warrior river. 

 Black Warrior river. 

 Elk river, Ala. 

 Elk river, Ala. 

 Tuscumbia, Ala. 

 Tombeckbee river. 

 North Alabama. 

 Greene Co., Ala. 

 Black Warrior river. 



The following are mentioned by name only : — 



Page. Name. Locality. 



31 Unio undatus Barnes. Alabama. 



39 congareeus Lea. Savannah river. 



40 nasutus. Santee canal and Augusta. 

 40 angustatus Lea. Santee canal and Augusta. 



40 ochraceus Say? Santee canal & Rappahannock. 



