23 



COATES, KEYNELL, M.D., Philadelphia. 



Remarks on the Floating Apparatus and other l\;culiarities ol 

 the Genus Janthina. (Read March 1st.) 



Vol. iv, No. 2, 1). 3[i6. Ainil, 1825. 



CONRAD, TIMOTHY A., Trenton, N. J. 



IN SILLIMAN'S AMERICAN JOURNAL OF SCIEXCK AND AltTS. 



Descriptions of some new Recent and Fossil Slicll.s of the United 

 States. 



Series 1, Vol. xxiii, No. 2, p. 339. January, 1833. 



Descriptions of some new species of Freshwater Sliclls from Ala- 

 bama, Tennessee, &c. 



Series 1, Vol. xxv, No. 2, p. 338. January, 1834. 



Observations on the Genus Gnathodou, with Description of a 

 new species. 



Series 1, Vol. xx.wiii. No. 1, p. 92. January, 1840. 



Catalogue of Recent Shells, which occur a]so Fo.ssil in the Mio- 

 cene Deposits in the United States. 



Series 2, Vol. i, No. 3, p. 404. May, 184C. 



Notice of the Freshwater Shells, &c., of Rockbridge County, 

 Virginia. 



Series 2, Vol. ii. No. 3, p. 405. May, 1846. 



Observations on the Geology of a part of East Floridn, with a 

 Catalogue of Recent Shells of the Coast. 



Series 2, Vol. ii, No. 4, p. 36. July, 1846. 



Catalogue of Shells inhabiting Tampa Bay, and other parts of 

 the Florida Coast. 



Series 2, Vol. ii, No. 6, p. 393. November, 1846. 



On a new species of Unio; and Statement that U. Viridis, raf. 

 inhabits the Schuylkill and Delaware Rivers. 



Series 2, Vol. xxi, No. 62, p. 172. March, 1856. 



IN RROCEEDINd;-!, ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



Descriptions of three new species of Unio. (Read May 11th.) 



Vol. i, No. 2, p. 19. May, 1841. 



Also in the Journal, 1st Sories, Vol. 8. p. ITS. 



