OF THE ZOOLOGICAL SOCIETY OF LONDON. 105 



Lea (Isaac). Description of Four new Species of Exotic Uniones. 



8vo. Philadelphia, 1856. 

 (Misc. Zool. i. 26, Conchology.) 



Description of Thirteen new Species of Exotic Peristomata. 



8vo. Philadelphia, 1856. 

 (Misc. Zool. i. 27, Conchology.) 



Description of Fifteen new Species of Exotic Melaniana. 



8vo. Philadelphia, 1856. 

 (Misc. Zool. i. 28, Conchology.) 



Description of the Byssus in the Genus Unio. 



8vo, Philadelphia, 1856. 

 (Misc. Zool. i. 29, Conchology.) 



Descriptions of Eleven new Species of Exotic Uniones from Georgia. 



8vo. Philadelphia, 1856. 

 (Misc. Zool. i. 30, Conchology.) 



■ Kemarks on Triquetra contorta. 8vo. Philadelphia, 1856. 



(Misc. Zool. i. 31, Conchology.) 



Remarks on the Visual Organs of the Naiades. 



8vo. Philadelphia, 1857. 

 (Misc. Zool. i. 32, Conchology.) 



Descriptions of Thirteen new Species of Uniones. 



8vo. Philadelphia, 1857. 

 (Misc. Zool. i. 33, Conchology.) 



Descriptions of Twelve new Species of Naiades from North Carolina. 



8vo. Philadelphia, 1857. 

 (Misc. Zool. i. 34, Conchology.) 



■ Description of Six new Species of Uniones. 



8vo. Philadelphia, 1857. 

 (Misc. Zool. i. 35, Conchology.) 



• Description of Eight new Species of Naiades from various parts of 



the United States. 8vo. Philadelphia, 1857. 



(Misc. Zool. i. 36, Conchology.) 



Descriptions of Three new Exotic Species of Naiades. 



8vo. Philadelphia, 1857. 

 (Misc. Zool. i. 37, Conchology.) 



Description of Six new Species of Freshwater and Land Shells of 



Texas and Tamaulipas, from the Collection of the Smithsonian In- 

 stitution. 8vo. Philadelphia, 1857. 

 (Misc. Zool. i. 38, Conchology.) 



Descriptions of Twenty-seven new Species of Uniones from Georgia. 



8vo. Philadelphia, 1857. 

 (Misc. Zool. i. 53, Conchology.) 



Remarkable Specimens of Unionidce. 8vo. Philadelphia, 1858. 



(Misc. Zool. i. 58, Conchology.) 



