968 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXII. 



'Lea, Isaac. Description of a new Syni- 

 pTiynote Unio. 



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

 pp. 54, 55. 



* Definition of tlie term species and 



remarks on classification, etc. 



Proc. Acad. Nat. Set. Phila., 1852, 

 pp. 57,58. 



" Description of new s])ecies of Unio- 



nidfe. 



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

 pp. 251, 252. 



"* Notice of the Mya nodulosa, Wood. 



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

 p. 368. 



" On the Castalia sulcata, 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 subgenus of 



Naiades. 



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

 p. 79. 



" Description of a new Triqnetra. 



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

 p. 79. 



'' Description of new Fresli-water 



Shells from California. 



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

 pp.80, 81. 



"^ Description of twenty-five new 



Exotic Uniones. 



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

 pp. 92-95. 



*■' Description of four new Exotic 



Uniones. 



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

 p. 103. 



* Description of the Byssns 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 Tricjuetra lan- 



ceolata, etc.] 



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

 pp. 300, 301. 



*■ EemarlvS 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 

 new Uniones from Georgia. 



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

 pp. 31, 32. 



* Description of six new Uniones from 



Alabama. 



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

 p. 85. 



" Description of twelve new Naiades 



from North Carolina. 



P7-0C. Acad. Nat. Sci. Phila., 1857, 

 pp. 85, 86. 



* ■ [Remarks on Unio spinosus.] 



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 Exotic 



Uniones, etc., 1857. 



" [Proposed change of name of two 



Unios.] 



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

 p. 104. 



' Descriptions of twenty-seven new 



Uniones from Georgia. 



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

 pp. 169-172. 



^ [Remarks on plates of Naiades of 



Siam.] 



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

 p. 205. 



* De8crii:»tion du sous-genre Plagio- 



don, etc. 

 Jour, de Conch., 1857, pp. 207,208. 



* Descriptions of Exotic Genera and 



Species of Unionidte. 



Jonr. Acad. Nat. Sci. Phila., 1857, 

 pp. 289-321, 13 plates. 



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



pp. 34, 13 plates. 



* Description du Byssns dans le Genre 



Unio. 



Jour, de Conch., 1857, j). 200. 



* Remarks on Uniouidte of Nebraska 



Territory, etc. 



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

 pp. 13-14. 



