64 



STIMPSON, WILLIAM, M.D.-(Continued.) 



Occurrence of Lucina borealis near Point Shirley. (Read 

 September 4th.) 



Vol. iii, p. 330. December, 1850. 



Description of two new Species of Philine. (Read October 2d.) 



Vol. iii, p. 333. December, 1850. 



Description of two new Species of Shells from Massachusetts 

 Bay. (Read January 15th.) 



Vol. iv, p. 8. June, 1851. 



Testaceous Mollusca new to Massachusetts Bay. (Read Feb- 

 ruary 5th.) 



Vol. iv, p. 12. June, 1851. 



Some Observations on the Identity of Nucula navicularis, and 

 N. thraciseformis. (Read February 19th.) 



Vol. iv, p. 21. July, 1851. 



Remarks on an Ascidian found in Massachusetts Bay. (April 

 2d.) 



Vol. iv, p. 49. August 1851. 



Observations on the Fauna of the Bay of Fundy. (Sept. 17th.) 



Vol. iv, p. 95. December, 1851. 



Monograph of the Genus Coecum in the United States. (Read 

 October 15th.) 



Vol. iv, p. 112. December, 1851. 



Description of new Species of Shells from the Northern Coast 

 of New England. (Read October 15th.) 



Vol. ir, p. 113. December, 1851. 



Descriptions of several new Species of Shells from the Southern 

 Coast. By William Stimpson and Lieut. J. D. Kurtz. (Read 

 October 15th.) 



Vol. iv, p. 114. December, 1851. 



Description of several new Ascidians from the United States. 

 (Read July 16th.) 



Vol. iv, p. 228. November, 1852. 



On some Remarkable Marine Invertebrata inhabiting the shores 

 of South Carolina. (Read December 6th, 1851) 



Vol. v, p. 110. February, 1855. 



Description of a new form of Parasitic Gasteropodous Mollusca. 

 (Read December 16th, 1857.) 



Vol. vi, p. 307. 1858. 



