294 BIBLIOGRAPHY OF NORTH AMERICAN CONCHOLOGY. [PART II. 



13 Unio amygdalus Lea. 



13 Buckleyi Lea. 



13 Buddianus Lea. 



13 fuscatus Lea. 



13 minor Lea. 



13 Monroensis Lea. 



13 neglectus Lea. 



13 Anodonta tetragona Lea. 



f Published in memoir read 



before and deposited with 



the Am. Phil. Soc. Aug. 18, 



Dated by 1843. Permission given by 



Mr. Conrad. the Society to print the 



1846. descriptions. They were 



1846. printed and issued the fol- 



1846. lowing day, Aug. 19, 1843. 



1846. 1 Receipt of these printed 



1846. descriptions acknowledged 



1841. by the Society Sept. 15, 



1846. 1843. Therefore six of 



these are dated by Mr. 



Conrad three years after 



they were printed and 



issued ! ! 



f Published in memoir read 



before and deposited with 



the Am. Phil. Soc. May 2, 



1845. Printed descriptions 



issued in the Proceedings 



of that month, No. 33, p. 



1846. -i 165, issued August, 1845. 



Generally the new species 



of this memoir are dated 



correctly (in 1845) by Mr. 



Conrad. The tetragona is 



one year wrong, and M. 



. minor has no date. 



