LEA 



303 



five new species of UnioRes from North America; E^emarks on the 

 form of the Palpi of Anodontce from Uruguay ; E-emarks on FJiysce 

 in a cistern ; E-einarks on Echinus perforating granite ; Descriptions 

 of fourteen new species of Schizostoma, &c., and reclamation of the 

 name ; Descriptions of two new species of Uniones from Greorgia ; 

 Descriptions of three new species of Uniones from Mexico ; Descrip- 

 tions of seven new species of Unioniclse from the United States ; 

 Descriptions of six new species of Unionidse from Alabama ; De- 

 scriptions of three new species of exotic UnionidsB ; Descriptions of 

 twenty-five new species of UnionidaD ; Description of a new species 

 of Neritina from Coosa Eiver ; Descriptions of two new species of 

 Anodontce from Arctic America ; Descriptions of new species of 

 Scliizostoma, &c. ; Descriptions of twelve new species of Uniones 

 from Alabama ; Description of a new genus {Strepliohasis) ; Descrip- 

 tions of forty-nine new species of Melanice ; Descriptions of new 

 Fossil MoUusca from New J ersey ; Descriptions of eleven new species 

 of the genus Unio ; Descriptions of seven new species of the genus 

 lo. (Tract.) ' 8vo. Philadelphia, 1862. 



Lea (Isaac). Description of a new genus {Trypanostoma) of the Family 

 Melanidse, and of forty-five new species. (Tract.) 



8vo. Philadelphia, 1862. 



. Descriptions of eleven new species of MelanidsB of the United 



States. (Tract.) 8vo. Philadelphia, 1862. 



. Conchological Papers , viz . : — On Leaia Leidyi = Cypricardia Leidyi; 



Descriptions of fourteen new species of Melanidse ; Descriptions of 

 eleven new species of Exotic Unionidae ; Descriptions of twenty-four 

 new species of Unionidae ; Descriptions of a new species of Unio and 

 a MonocondylcBa ; Description of a new genus of the family Melanidse; 

 Descriptions of eleven new species of Melanidse ; Description of and 

 remarks on Planorhis Neivherryi ; Descriptions of six new species of 

 Unionidse from Lake Nyassa ; Descriptions of six new species of 

 Succinea, etc. ; Descriptions of thirteen new species of Melanid^e ; 

 Description of a new species of Planorhis ; Descriptions of five new 

 species of Lymnea ; Descriptions of two new species of Unionid^e 

 from South Africa; Descriptions of twenty-four new species of 

 Physa ; Descriptions of six new species of Western Asiatic Unionidge ; 

 Descriptions of three new species of Exotic Uniones ; and descrip- 

 tions of eight new species of Unio. (Tract.) 



8vo. Philadelphia, 1866. 



. Tables of the Eectification of Mr. T. A. Conrad's " Synopsis of 



the family of Naiades of North America." (Tract.) 



8vo. Philadelphia, 1866. 



. Conchological and Mineralogical Papers, viz. : — Descriptions of 



twelve new species of UnionidsB from South America; Notes on 

 some members of the Eeldspar family ; Descriptions of two new 

 species of the genus Lithasia ; Descriptions of five new species of 

 the genus Unio : On two new Minerals from Chester Co., Penn. ; 

 Descriptions of five new species of Unionidge and one Paludina of 

 the United States ; Descriptions of nine species of Unionidae from 

 Lake Nicaragua, Central America; Descriptions of sixteen new 

 species of the genus Unio of the United States ; Notes on some sin- 



