20 BIBLIOGRAPHY OF PUBLICATIONS OF ISAAC LEA, LL. D. 



1834-38. Lea, Isaac— Continued. 



Cyclostoma Popayana, Lea, n. s., pL xxiii, fig. 76 94 



Hab. : New Granada, near Popayan, J. H. Gibbon, M. D. 

 Lymnea solida, Lea, n. 8.,pl. xxiii, fig. 91 94 



Hab. : "Wablamat, near its junction -with the Colambia River, Prof. Nuttall. 



CONTINUATION. 



Kead July 21, 1837. 

 Unio Rangianus, Lea, n. 8.,pl. srviii, fig. 56 95 



Hab. : Ohio Kiver, near Cincinnati, T. G. Lea. 

 Anodonta Pepinianua, Lea, n. s., pi. xvi, fig. 51 . = .- 96 



Hab. : Lake Pepin, Portage County, Ohio, B. Tappan, esq. 

 Anodonta angiilata,l,ea,n. s., pi. xvi, fi^. 52 97 



Hab. : Lewis's Kiver, Prof. Nuttall. 

 Oarocolla Hydiana, Lea, n. s., pi. xxiii, fig. 73 98 



Hab. : Near Porto Cabello, S. A., J. H. Gibbon, M. D. 

 Helix Calif orniensis. Lea, n. s., pi. xxiii, fig. 79 99 



Hab. : St. Diego, Upper California, Prof. NuttaU. 

 Helix Townsendiana, Lea, n. s., pi. xxiii, fig. 80 09 



Hab. : Wablamat, near its junction with the Columbia Eiver, Prof. Nuttall. 

 Hdix Nickliniana, Lea, n. s., pL xxiii, fig. 84 1 00 



Hab. : St. Diego, Upper California, Prof. Kuttall. 



Helix Oregonensis, Lea, n. s., pi. xxiii, fig. 85 100 



. Hab. : 'Wahlamat, near its junction with the Columbia Eiver, Prof. Nuttall. 

 Succinea aperta, Lea, n. s., pL xxiii, fig. 107 101 



Hab. : Banks of Columbia Eiver, Prof. Nuttall. 

 Paludina Nuttalliana, Lea, n. 8.,pl. xxiii, fig. 89 101 



Hab. : Wahlamat, near its junction with the Columbia Eiver, Prof. Nuttall. 

 Lymnea apicina, Lea, n. s., pL xxLii, fig. 94 102 



Hab. : Wahlamat, near its junction with the Columbia Eiver, Prof essor Nuttall. 



CONTDfUATIOir, 



Eead January 5, 1838. 

 ZPnio dotabr«e/on«,is. Lea, n. 8., pi. xxiv, fig. 113 103 



Hab. : Altamaha Eiver, Liberty County, Georgia, Lewis Leconte, esq. 

 Unio Novi-Eborad, Lea,, n. s., pL xxiv, fig. 114 104 



Hab. : Oak Orchard Creek, Orleans County, New Tork, J. C. Jay, M. D. 

 Unto Olaibornensis, Lea, n. s., pi. xxiv, fig. 115 104 



Hab. : Alabama Eiver, near Claiborne, Judge Tait. 

 Anodonta gubcylindracea, Lea, n. s., pL xxiv, fig. 117 106 



Hab. : Oak Orchard Creek, Orleans County, New Tork, J. C. Jay, M. D. 

 Polygyra Dorfeuilliana, Lea, n. s., pi. xxiv, fig. 118 107 



Hab. : Ohio, Mr. Dorfeuille, Cincinnati. 

 Polygyra Troostiana, Lea, n. s., pi. xxiv, fig. 119 107 



Hab. : Tennessee, Prof. Troost. 



CONTINUATION. 



Read January 19, 1838. 



ITnio Brownianus, Lea, n. s., pi. xxiv, fig. 116 108 



Hab. : Eiver Amazon, South America, Capt. George Brown. 



Systematic Index of Shells Described in Mr. Lea's Memoir 110-111 



Synopsis of the Family of Naiades 113-152 



Though forming a part of Article I, this is really No. 23, revised. It was also published 

 separately (see No. 28). 



Introductory Eemarks 113-117 



"In the following table there will be found in the family 323 recent species as admitted, 29 

 unknown to me or doubtful, and 22 fossil ; in all 374. 



"Of the subgenus Vnio, there are 235 species in a recent state, and 20 which I have not been 

 able to admit as certain; of fossil species 21. 



"Of the subgenus Margaritana, there are 20 admitted species, and 2 which are unknown 

 tome. 



"Of the subgenus Diptas I know of tut 2 species, both of which are recent. 



"Of the subgenus Anodonta there are 58 admitted species, and 7 which are unknown to me. 

 Of fossil species there is one which is doubtful. 



"The subgenus Iridina has 2 species, both recent. 



" The subgenus kpatha has 6 species, aU recent." 



