968 



PROCEEDINGS OF THE NATIONAL MUSE I'M. 



"LEA, ISAAC. Description of a new Sym- 

 phynote Unio. 



Proc. Acad. Nut. /. I'liila., 1S52, 

 ]p. 54, 55. 



Definition of the term species and 

 remarks on classification, etc. 



Proc. Acad. Nat. Sci. Phila., 1852, 

 pp. 57, 58. 



Description of new species of Unio- 

 nidte. 



Proc. Acad. Nat. fid. J'hila., 1852, 

 pp. 251, 252. 

 Notice of the Mya nodulosa, Wood. 



Proc. Acad. Nat. Sci. P'Mla., 1853, 

 p. 368. 



OntlieCastaliasulcata, Krauss, etc. 

 Proc. Acad. Nat. Sci. Phila., 1853. 



pp. 376, 377. 



* Rectification of Conrad's Synopsis 



of the Naiades, etc. 



Proc. Acad. Nat. Sci. Phila., 1854, 

 pp. 236-249. 



* Description of a new submenus of 



Naiades. 



Proc. Acad. Nat. Sci. Phila., 1856, 

 p. 79. 



Description of a new Triquetra. 

 Proc. Acad. Nat. Sci. Phila., 1856, 



p. 79. 



* Description of new Fresh-water 



Shells from California. 



Proc. Acad. Nat. Sci. Phila., 1856, 

 pp.80, 81. 



Description of twenty-five new 

 Exotic Uniones. 



Proc. Acad. Nat. Sci. J'hila., 1856, 

 pp. 92-95. 



Description of four new Exotic 

 Uniones. 



Proc. Acad. Nat. Sci. J'hila., 1856, 

 p. 103. 



Description of the Byssus in Unio. 

 Proc. Acad. Nat. Sci. Phila., 1856, 



pp. 213, 214. 



Description of eleven new Uniones 

 from Georgia. 



Proc. Acad. Nat. Sci. Phila., 1856, 

 pp. 262, 263. 



[Communication on Triquetra lau- 



ceolata, etc.] 



Proc. Acad. Nat. Sci. Phila., 1856, 

 pp. 300,301. 



Remarks on the visual organs of 

 Unios. 



Proc. Acad. Nat. Sci. Phila., 1857, 

 p. 17; Jour.de Conch., 1857, p. 203. 



''LEA, ISAAC. Description of thirteen 

 now Uniones from Georgia. 



Proc. Acad. Nat. Sci. Phila.. 1857, 

 pp. 31, 32. 



* Description of six new Uniones from 



Alabama. 



Proc. Acad. Nat. Sci. I'hilti., 1857, 

 p. 83. 



Description of eight new Naiades. 

 Proc. Acad. Nat. Sci. Phila., 1857, 



p. 84. 



Description of three new Naiades. 



Proc. Acad. Nat. Sci. J'hila., 1857, 

 p. 85. 

 Description of twelve new Naiades 



from North Carolina. 



Proc. Acad. Nat. Sri. J'hila., 1857, 

 pp. 85, 86. 



' [Remarks on Unio spiuosus.] 



Proc. Acad. Nat. Sci. Phila., 1857, 

 p. 101. 



Description of six new Fresh- water 

 and Land Shells of Texas and Ta- 

 maulipas. 



Proc. Acad. Nat. Sci. Phila., 1857, 

 pp. 101, 102. 



Description of four new Fxotic 



Uuiones, etc., 1857. 



[Proposed change of name of two 



Unios.] 



Proc. Acad. Nat. Sci. Phila., 1857, 

 p. 104. 



* Descriptions of twenty-seven new 



Uuiones from Georgia. 



Proc. Acad. Nat. Sci. Phila., 1857, 

 pp. 169-172. 



* [Remarks on plates of Naiades of 



Siam.] 



Proc. Acad. \ut. .sv;. Phila., 1857, 

 p. 205. 



* Description du sous-genre Plagio- 



dou, etc. 

 Join: de Conch., 1857, pp. 207,208. 



* Descriptions of Exotic Genera and 



Species of Unionidae. 



Jour. Acad. Nat. Sci. J'hila., 1857, 

 pp. 289-321, 13 plates. 



* Observations, etc., VI, Pt. 1, 1857, 



pp. 34, 13 plates. 



Description duByssusdansleGenre 



Unio. 

 Jour, de Conch., 1857, p. 200. 



* Remarks on Unionida 4 of Nebraska 



Territory, etc. 



Proc. Acad. Nat. Sci. Phila., 1858, 

 pp. 13-14. 



