318 BIBLIOGRAPHY OF 



Anonvil20tl$. — Mr. Lea on the Xaiades, in the Transactions 

 of the American Philosophical Society. (From Silliman's Jour- 

 nal, o. b., vol. xxii, Xo. 1, pp. 169-179. July, 1832.) 



[Xo descriptions or synonymy are given, but a repetition of Mr. Lea's 

 Synopsis.— W. G. B.] 



Anonymous. — Observations on the" Genus Unio, &c, by I. 

 Lea, in the Transactions of the American Philosophical Society. 

 (From Silliman's Journal, o. s., vol. xxvii, No. 2, pp. 371-377. 

 1835.) 



[ Extracts from the paper criticized are given, but no new descriptions 

 or synonymy. — W. G. B.] 



Anonymous. — Observations, &c, from the Transactions of 

 the American Philosophical Society, vol. vi, Xo. 1. (From 

 Silliman's Journal, o. s., vol. xxxv, p. 184. 1839.) 



[This is a mere notice of one of Mr. Lea's papers, without criticisms or 

 descriptions, with a list of species described. — W. Cr. B.] 



IlaEdcinail. — Correction to the article on Melanians (vol. xli, 



p. 21): by S. S. IIaldemax. (From Silliman's Journal, o. s., 

 vol. xlii. December, 1841.) 



Page. j Page. 



216 Melania undulata Say. 216 Trochlea Hold. (n. g.) 



216 Nerita aurita Mull. — n. g. i Planaria Capt. Brown.) 



Claviger. 210 alba Brown. 



210 Claviger aurita. 216 nitens Lea. 

 216 tuberculosa. 



CoutliOliy. — Xotes on the following: by J. P. Couthouy. 

 (From Silliman's Journal, o. s., vol. xxxvi, Xo. 2. April- 

 July, 1839.) 



Page. 



381 Patelloidea (Lottia). 



381 amcena 5 



381 alveua Conrad. 



381 Patelloidea ceerulea. 



Europe. 

 381 pellucida. Europe. 



