23 



COATES, REYNELL, M,D,, Philadelphia, 



Kemarks on the Floating Apparatus and other Peculiarities of 

 the Genus Janthina. (Read March 1st.) 



Vol. iv, No. 2, p. 350. April, 1825. 



CONKAD, TIMOTHY A., Trenton, N. J. 



IN SILLIMAN'S AMERICAN JOURNAL OF SCIENCE AND A15TS. 



Descriptions of some new Recent and Fossil Shells of the United 

 States. 



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



Descriptions of some new species of Freshwater Shells from Ala- 

 bama, Tennessee, &c. 



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



Observations on the Genus Gnathodon, with Description of a 

 new species. 



Series 1, Vol. xxxviii, No. 1, p. 92. January, 1840. 



Catalogue of Recent Shells, which occur also Fossil in the Mio- 

 cene Deposits in the United States. 



Series 2, Vol. i, No. 3, p. 404. May, 1846. 



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 Florida, 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. Yiridis, RAF. 

 inhabits the Schuylkill and Delaware Rivers. 



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



IN PROCEEDINGS, ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



Descriptions of three new species of Unio. (Read May llth.) 



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



Also in the-Journal, l.*t Series, Vl. 8, p. 178. 



