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LEA 303 
five new species of Uniones from North America; Remarks on the 
form of the Palpi of Anodonte from Uruguay ; Remarks on Phys 
in a cistern; Remarks on Echinus perforating granite ; Descriptions 
of fourteen new species of Schizostoma, &c., and reclamation of the 
name; Descriptions of two riew species of Uniones from Georgia ; 
Descriptions of three new species of Uniones from Mexico ; Descrip- 
tions of seven new species of Unionide from the United States; 
Descriptions of six new species of Unionide from Alabama; De- 
scriptions of three new species of exotic Unionide; Descriptions of 
twenty-five new species of Unionide ; Description of a new species 
of Neritina from Coosa River; Descriptions of two new species of 
Anodonte from Arctic America; Descriptions of new species of 
Schizostoma, &c.; Descriptions of twelve new species of Unioncs 
from Alabama; Description of a new genus (Strephobasis) ; Descrip- 
tions of forty-nine new species of Melanie; Descriptions of new 
Fossil Mollusca from New Jersey; Descriptions of eleven new species 
of the genus Unio; Descriptions of seven new species of the genus 
fo. (Tract.) . 8vo. Philadelphia, 1862. 
Lea (Isaac). Description of a new genus (Trypanostoma) of the Family 
Melanide, and of forty-five new species. (Tract.) 
\ 8vo. Philadelphia, 1862. 
——. Descriptions of eleven new species of Melanide of the United 
States. (Tract.) 8vo. Philadelphia, 1862. 
—. Conchological Papers, viz.:—On Leaia Leidyi = Cypricardia Leidyi; 
Descriptions of fourteen new species of Melanidxw; Descriptions of 
eleven new species of Exotic Unionide ; Descriptions of twenty-four 
new species of Unionide ; Descriptions of a new species of Unio and 
a Monocondylea; Description of anew genus of the family Melanide; 
Descriptions of eleven new species of Melanide ; Description of and 
remarks on Planorbis Newberryi; Descriptions of six new species of 
Unionide from Lake Nyassa; Descriptions of six new species of 
Succinea, etc.; Descriptions of thirteen new species of Melanide ; 
Description of a new species of Planorbis; Descriptions of five new 
species of Lymnea; Descriptions of two new species of Unionide 
from South Africa; Descriptions of twenty-four new species of 
Physa ; Descriptions of six new species of Western Asiatic Unionide; 
Descriptions of three new species of Exotic Uniones ; and descrip- 
tions of eight new species of Unio. (Tract.) 
8vo. Philadelphia, 186¢. 
~—. Tables of the Rectification 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 Unionide from South America; Notes on 
some members of the Feldspar 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 Unionide and one Paludina of 
the United States; Descriptions of nine species of Unionide from 
Lake Nicaragua, Central America; Descriptions of sixteen new 
species of the genus Unio of the United States; Notes on some sin- 
