NORTH AMERICAN CONCHOLOGY. 



121 



228 



Cy cladae. 



'. ' Name. Locality. 



Cyclas similis Say, 



C. Saratogea et sulcata Lam. 

 dubia Say. 



S. striatina Lam. 

 partumeia Say. 



C. cornea (var. 2, 3.) Lam. 

 rhomboidea Say. 

 elegans Adams. 

 edentula Say. 



transversa Say, e. I. Kentucky.- 



staminea Conrad, e. L 



elevata Hald., e. L New Orleans. 



Pisidium abruptum Hald., e. L Elk river, Md. 



abditum Ilald., e. 1. Lancaster Co., Pa. 



Cyrena Carolinensis Base, e. 1. Carolina. 



Saxicavidae. 



Saxicava distorta Say. 

 Petricola pholadiformis Lam. 

 Petricola fornicata Say. 

 xxviii 283 dactylus Sowerby. 



Page. 



Plate. 



Fig. 



222 



XXV 



26^61 



223 



XXV 



261 



223 



XXV 



262 



224 



XXV 



263 



224 







225 







225 







225 







225 







226 







226 







226 



XXV 



266 



227 



xxxiii 



309 a, 



228 



xxviii 



282 









Mactridae. 





229 



xxix 



286 



Mactra solidissima Chemnitz. 

 21. yiijantea Lam. 

 Spissula (jiyantea Gray. 





230 



xxix 



287 



lateralis Say. 



Mulinia lateralis Gray. 





230 







ovalis Gould, e. 1. 



Northern coast. 



230 







similis Say, e. 1. 



R. I.,N. Y.? 



230 







fragilis Chemnitz, e. 1. 

 j\l. ohlonga Say. 



Georgia. 



231 







nuculua Conrad, e. 1. 



New Jersey. 



231 



xxix 



288 a, b 



Mesodesma arctata Conrad. 

 JIactra arctata Conrad. 

 deaurata Conrad. 





231 







Mactra Jauresii Gudrin, e. 1. 



Grand Banks. 



232 



xxxi 



298 



Lutraria canaliculata Say, e. 1. 



, Md. to Florida. 



232 







lineata Say, e. 1. 



L. ji'ipyruti'i Conrad. 



Ga. & Florida. 



232 







Montacuta bidentata Montagu, 



e. 1. New Bedford. 



232 







Kellea rubra Turtun, e. 1. 



New Bedford. 



233 







Cumingia tellinoides Conrad. 

 Mactra tellinoides Conrad. 





