68 



BIBLIOGRAPHY OP 



Pa. 



PI. 



Fig. 



3 



of cover 



4 







4 







4 







4 







4 







4 







4 







4 







Name. Locality. 



Amnio ola pallida Hald. VermoBt. 



galbana Hald. (fossil.) Sussex Co., N. Jersey. 



Sayana Anthony. 

 Melania gracilis vel pulchella Anthony. Stark Co., 0. 



appro^mata Hald. Tennessee. 



intersita Hald. Swan creek, Ind. 



Physa globosa Hald. Nolachucky river. 



Amnicola pallida Hald. Middlebury, Vt. 



Paludina carinata Val. (vide supra) = 



P. multicarinata. 

 Pal. carinata Sw. = P. unicarinata. 



Part Y.— July, 1842. 



34 xi 1-9 Limnea caperata Say. 



L. umbilicata Adams. 

 36 xi 10-13 solida Lea. 



L. apicina Lea. 

 38 xii columella Say. 



L. chalybea Gould. 

 navicula Val. 

 acuminata Adams. 

 macrostoma Say. 

 coarctata Lea. 

 succiniformis Adams, MSS. 

 41 xiii 1-8 humilis Say. 



L. modicellus Say. 

 parva Lea ? 



44 xiii 9, 10 bulimoides Lea. 



45 xiii 11-13 pallida Adams. 



47 xiii 14, 15 vitrea Hald. 



48 xiii 16-18 desidiosa? 



L. obritssa Say. 



49 xiii 19, 20 ferruginea Hald. 



50 xiii 21 gracilis Jay. 



51 xiii 22, 23 galbana Say (fossil ?). 



52 xiv catascopium? 



L. decollata Mighels. 



53 XV 1 fragilis TJn. 



L. Nuttalli Lea. 



Vt., Mass., Ind., OMo, 

 111., Pa. 

 Oregon. 



Me., Mass., Pa., Ohio, 

 S. C, N. W. Terr. 



Me. to S. C, OWo. 



Oregon. 

 Vermont. 

 OMo? Missouri? 

 Philadelpliia. 



Oregon. 



Lake Champlain. 



New Jersey. 



Maine. 



Oregon. 



23 



1-9 



No. YI.— January, 1843. 



Physa heterostropha Say. 

 Lymnea heterostropha Say, 

 Bulla fontinalis Chem. ? 



Ga., Me., Oregon, N.W. 

 Terr., Canada. 



