NORTH AMERICAN CONCHOLOGY. 



293 



Pag 



B. Name. 



Dated by- 

 Mr. Conrad. 



12 



Unio amcEnus Lea. 



1841. 



12 



biangulatus Lea. 



1841. 



12 



Bourniauus Lea. 



1841. 



12 



Boydianus Lea. 



1841. 



12 



Cincinnatiensis Lea. 



1841. 



12 



cuneolus Lea. 



1842. 



12 



dactylus Lea. 



1841. 



12 



dollabelloides Lea. 



1842. 



12 



Edgarianus Lea. 



1841. 



12 



exiguus Lea. 



1842. 



12 



Geddingsianus Lea. 



1841. 



12 



Holstonensis Lea. 



1841. 



12 



lenior Lea. 



1841. 



12 



Lesueurianus Lea. 



1842. 



12 



lineatus Lea. 



1841. 



12 



incrassatus Lea. 



1842. 



12 



plenus Lea. 



1842. 



12 



striatus Lea. 



1841. 



12 



strigosus Lea. 



1841. 



12 



Tennesseensis Lea. 



1842. 



12 



tener Lea. 



1842. 



12 



tortivus Lea. 



1842. 



12 



tuberosua Lea. 



«1842. 



13 



Unio Brumbyanus^ Lea. 



1841. 



13 



regularis Lea. 



1841. 



13 



mcEstu3 Lea. 



1841. 



13 



sparsus Lea. 



1841. 



13 



argenteus Lea. 



1841. 



Published in memoir read 

 before and deposited with 

 the Am. Phil. Soc. Oct. 2, 

 1840. Oct. 16th ordered 

 to be printed. Issued in~ 

 the Proceedings of that 

 month (No. 13, p. 285), 

 which was laid on the 

 table by the Reporter, Nov. 

 6, 1840. Printed in the 

 Trans. VIII, 191. 



Published in memoir read 

 before and deposited with 

 the Am. Phil. Soc. June 18, 

 1841. Issued in Proceed- 

 ings, No. 19, for Oct. 1841. 

 These dates of Mr. Conrad'3 

 are therefore correct. 



' It will be observed that Mr. Conrad contlnnes the singular error of frequentlj dating 

 my species of the same memoir in different years, while some of them in the same memoir 

 he inserts without a date, viz. : Stonensis, suhangulatus, ohesrw, &c. 



' At page 245 of Mr. Conrad's Synopsis ia "Proceedings," this is given as a species • at 

 p. 200 it is made a synonym to glunv Lea. 



