970 



PROCEEDINGS OF THE NATION A I. .Vr>7-:r.V. 



*LKA, ISAAC. [On the number of Union- 



idic in North America.] 



J'roc. .-I rod. Nat. Sci. I'liila.. 1860, p. 

 85. 



* [Oil letter of Dr. Lewis.] 



Proc. Acad. Nat. Sci. Phila., 1860. pp. 

 88, 89. 



* Descriptions of four new Unionida* 



from Brazil, etc. 



Proc. Acad. Nat. Sci. Phila.. 18i;o, 

 pp. 89, 90. 



* Descriptions of fifteen new Uru- 

 guayan Unionidif. 



Proc. Acad. Nat. Sci. I'hila.. 1860, 

 pp. 90-92. 



* Descriptions of live new Uniones 



from North Alabama. 



Proc. Acad. Xat. Sci. I'hila., 1860, 

 pp. 92, 93. 



[On a new form of Palpi of Ano- 

 donta from the L'raguay River.] 



Proc. Acad. Nat. Sci. Phila., 1860, p. 

 97. 



* Descriptions of two new Uniones 



from Georgia. 



Proc. Acad. Nat. Sci. Phila., 1860, p. 

 305; 



' Descriptions of three new Uniones 



from Mexico. 



Proc. Acad. Nat. Sci. Phila., 1860, 

 pp. 305, 306. 



* Descriptions of seven new Unioni- 



das from the United States. 



Proc. Acad. Nat. Sci. Phila., 1860, 

 pp. 306, 307. 



* Descriptions of six new Unionida- 



from Alabama. 



Proc. Acad. Nat. Sci. Phila.. 1860, p. 

 307. 



* Descriptions of three new Exotic 



Unionid;e. 



Proc. Acad. Nat. Sci. Phila., 1860, 

 pp. 307, 308, 331 ; 1865, pp. 75,76; ex- 

 tract in Am. Jour. Conch., 1, 1865, pp. ] 

 354, 355. 



* Descriptions of Exotic Unionida?. 



Jour. Acad. Nat. Sci. Phila., 1860, 

 pp. 235-273, 13 plates. 



* New Unionida> of the United States, 



etc. 



Jour. Acad. Nat. Sci. Phila., 1860, 

 pp. 327-374, 16 plates. 



* Observations, etc., VIII, Pt. 1, 1860, 



pp. 56, 16 plates. 



"LEA, ISAAC. Descriptions of twenty- 

 five new Unionid.TB from Georgia, 

 Alabama, Mississippi, Tennessee, and 

 Florida. 



Proc. Acad. Nat. Sci. Phila., 1861. 

 pp. 38-41. 



* Descriptions of two new Anodonta- 



from Arctic America. 



Proc. Acad. Nat. Sci. Phila., 1861, 

 p. 56. 



Descriptions of twelve new Uniones 

 from Alabama. 



Proc. Acad. Nat. Sci. Phila., 1861, 

 pp. 59, 60. 



Descriptions of eleven new Unios 



from the United States. 



Proc. Acad. Nat. Sci* Phila., 1861, 

 pp. 391-393. 

 Remarks on the number of Unio- 



uida>, etc., 1862. 



* New Lhiionidai of the United States. 



Jour. Acad. Nat. Sci. Phila., 1861, 

 pp. 53-109, 18 plates. 



Observations, etc., VIII, 1862, Pt.2, 

 pp. 56, 18 plates. 



Observations, et<-., VIII, 1862, pp. 

 115, 34 plates. 



' Descriptions of ten new Unionida* 



of the United States. 



Proc. Acad. Nat. Sci. Phila., 1862, 

 pp. 168, 169. 



* Descriptions of two new Exotic 



Uniones, etc. 



Proc. Acad. Xat. Sci. Phila., 1863, 

 p. 176. 



Description of a new Genns, etc., 



1862. 



Checklist of the Shells of North 



America. Unionida?. 



Smithsonian Miscellaneous Collec- 

 tion, II, pp. 52, 1862. Separate. 



' New Unionida-, of the United States. 



Jour. Acad. Nat. Sci. Phila., 18H2. 

 pp. 53-109, 18 plates. 



v New Unionida' of the United Stai rs. 



etc. 



Jour. Acad. Nat. Sci. Phila., 18I5J. 

 pp. 187-216, 10 plates. 



" Observations, etc., IX, 1863, pp. 180, 



16 plates. 



* Descriptions of eleven new Exotic 



Unionida 1 . 



Proc. Acad. Nat. Sci. Phila., 1863, 

 pp. 189, 190. 



