24 



CONRAD, TIMOTHY A. (Continued.) 



Descriptions of new species of Fossil and Recent Shells, and 

 Corals. 



Vol. iii, No. 1, p. 19. February, 1846. 



Descriptions of two new Genera, and new species of Recent 

 Shells, &c. (Read December 12th.) 



Vol. iv, No. 6, p. 121. December, 1848. 



Descriptions of new Freshwater and Marine Shells. (Read 

 February 20th.) 



Vol. iv, No. 7, p. 152. February, 1849. 



Also in the Journal, Second Series, Vol. 1, p. 275. 



Descriptions of new species of Freshwater Shells. (Read Feb- 

 ruary 12th.) 



Vol. v, No. 1, p. 10. February, 1850. 



Notes on Shells, with Descriptions of new species. (Read De- 

 cember 21, 1852.) 



Vol. vi, No. 6. p. 199. December, 1852. 



Continuation. (Read April, 1853.) 



Vol. vi, No. 8, p. 320. April, 1853. 



A Synopsis of the Family of Naiades of North America ; with 

 Notes, and a Table of some of the Genera, and Sub-Genera of the 

 Family, according to their Geographical Distribution ; and Des- 

 criptions of Genera and Sub-Genera. (Read February 8th.) 



Vol. vi, No. 7, p. 243. February, 1853. 

 Also in pamphlet. 



Omissions and Corrections to the above. (Read December 20th.) 



Vol. vi, No. 12, p. 449. December, 1853. 



Monograph of the Genus Fulgur. (Read April 12th.) 



Vol. vi, No. 8 p. 316. April, 1853. 



Synopsis of the Genera Cassidula, HUMPH, and of a proposed new 

 Genus Athleta. (Read December 20th. 



Vol. vi, No. 12, p. 448. December, 1853. 



Notes on Shells, with Descriptions of three Recent and one Fos- 

 sil species. (Read March 7th.) 



Vol. vii, No. 2, p. 31. April, 1854. 



Descriptions of three new species of Unio. (Read January 16th.) 



Vol. vii, No. 7, p. 25G. February, 1855. 



