a/nd of its Dependencies. .■'• , .)!> 



TECTIBRANCHIATA. 

 Bullidse. 



132. Bulla oryza, Tott. Huntington. Low-water fco one fathom 



mud. Rare. 



Range — S. Cai'olina to Buzzard's Bay. Maine? 



133. Bulla rinin 1 iriil,ihi,t>i\\. New Vurk Harbor (De Kay) ; Hun- 

 tington, Groenport, and Little Gull [aland. Low-water to four or 

 five fathoms mud. Moderately abundant. 



Range — Tampa Bay to .Mass. Hay. 



134. Bulla solitwria, Say. East River (De Kay); Yellow Hook 

 (Ferguson); Huntington and Greenport. Mud from one to two 

 fathoms. Rare. 



Range — S. Carolina to ]\Ias>. I '.ay. 



T o rn :iU'3l ~nhv. 



135. Actceon pimctostriata, St. Wallaboul Bay (De Cay); Hun- 

 tington and Greenport. Low-water mark, mud. Rare. 



Range — S. Carolina to Buzzard's Bay. 



REelampidae. 



13G. J&fdarnpus comeus, St. Common everywhere. 



137. MJda/mpus denticvlatus, St. Yellow Hook. (Ferguson) ; Hun- 

 tington. Very rare. Stimpson suggests thai this may be an import- 

 ed species. 



138. Ga/rychiwm exiguvm, Gould. Centerporl and Huntington. 

 Very rare. 



IWKIMOI'.RAXCIIIATA. 

 Limnaeadae. 



139. Ancyh/s fuscnSyC. B. Ad. Huntington, Easl Marion, and 

 Greenport. Rare. IMf>i«* elevated specimens, probably belonging to 

 another species, occur at the last two localii 



140. GhmcUachia Stimpsoniana, Smith. Nov. -p. 



The full-grown shell La ovate in firm, consisting of two distinct 

 parts. The smaller of these, which is tin entire young shell described 

 below, is attached very obliquely, and to the right, to the po terioi 

 end of the larger one. This " lai'ger she]] " in thin, very translucent, 

 and of a whitish or very pale horn-color. It is more expanded to th< 



