NORTH AMERICAN CONCHOLOGY. 



363 



[Proceedings of the Boston Society of Natural History — continued.'] 



Vol. Page. 



JS'OT. 



Jane, 



iv 

 iv 



iv 

 iv 



1850. 

 292 

 293 

 294 

 294 

 294 



301 



Dec. 



1850. 



iii 



330 



iii 



333 



iii 



334 



iii 



343 



111 



344 



iii 



345 



iii 



345 



iii 



347 



iii 



347 



356 



860 

 360 

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 361 

 361 

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 361 

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 363 

 363 



1841. 



13 



13 



Name. 



Cyclas patella Gould. 

 Anodon feminalis Gould. 



cognata Gould. 

 Alasmodon falcata Gould. 

 Unio famelicus Gould. 



Locality. 



Oregon. 



Oregon. [conver. 



Nisqually & Fort Van- 

 Wallawalla and Sacra- 

 Wallawalla. [mento. 



Prof. Li. Agassiz.— On Unio, Cyclas, &c. 



William Stimpson presented — 



Lucina borealis. 



Described — 

 Philine sinuata Stimpson. 

 formosa Stimpson. 



Dr. A. A. Gould described — 



Mytilus (Modiola) flabellatu3 

 trossulus Gould. [Gould. 



Pecten caurinus Gould. 

 hericius Gould. 



Terebratula caurina Gould. 

 pulvinata Gould. 



Point Shirley, Mass. 



Massachusetts Bay. 

 New England. 



Puget Sound. 

 Puget Sound. 

 Port Townsend, Oreg. 

 Straits of de Fuca. 

 Puget Sound. 

 Puget Sound. 



Prof. I.. Agassiz. — Remarks on Generic Characters of 

 Naiades. 



J. G. Anthony (or Dr. Gould?).— Descriptions of— 



Tennessee. 

 Maury's creek, Tenn. 

 Maury's creek, Tenn. 

 Lorrain Co., Oliio. 



Ohio. 



Camp creek, Ind. 



Ohio. 



Cany Fork, Tenn. 



Maumee river, Oliio. 



Ohio. 



Maumee river. 



Virginia. 



Saline Co., Ark. 



Ohio. 



Cumberland r., Tenn. 



Melania nucleola. 

 densa. 

 abbreviata. 

 inornata. 

 pulchella. 

 tracta. 

 bicolorata. 

 brevispira. 

 coracina. 

 elata. 

 napella. 

 cuspidata. 

 inemta. 

 plebeius. 

 Buccinulata. 

 robulina. 



William Stimpson.— Descriptions of— 



Thracia Couthouyi Stimpson. jMassachusetts Bay. 



SpirialiB Gouldii Stimpson. New England. 



Notes on — 

 Thracia truncata Miyhds. Massachusetts. 



Couthouyi Stimpson. JMassachusetts. 



