10 THE AMERICAN JOURNAL OF CONCHOLOGY. 



200. [Tryon, G. W.] Description of a new specie.s of Mcrcenaria [M. 

 fulgurans, Florida], i, p. 297, pi. xxvi. 



201- • Monograph of the family Strepomatidce. i, pi). 299-341, figs. ; 



ii, pp. 14-52, 115-133, figs. 



202. — — . On an abnormal specimen of Planorbis bicarinatus. ii, j). 3, 

 pi. i pars. 



203. . Descriptions of new freshwater shells of the United States. 



ii, pp. 4-7, pi. ii pars. 



204. — — . Descriptions of new exotic freshwater MoUusca. ii, pp. 8-11, 

 pi. ii pars. 



205. . Description of a new species of Rissoa {R. exilis, Cahfornia]. 



ii, p. 12, pi. u pars. 



206. . Note on Mr Pease's species of Polynesian Phaneropneumona. 



ii, p. 82, pi. V. 



207. . Description of a new species of Vivipara [ T". loaltonii, Florida]. 



ii, pp. 108-110, pi. X pars. 



208. . Descriptions of new fluviatile MoUusca. ii, pp. 111-113, 



pi. X pars. 



209. . Observations on an abnormal specimen of Physa gyrina. ii, 



p. 114, pi. X pars. 



210. . Note on the lingual dentition of the Strepomatida;. ii, 



pp. 134 & 135, pis. xi & xii. 



211- . Monograph of the Terrestrial Mollusca of the United States. 



li, pp. 218-277, 306-327, pis. xvi-xix, xxii, xxiii ; iii, pp. 34-80, 155-181, 

 298-324, pis. ii-v, vii, x, xvii, xviii, xxi ; iv, pp. 5-22, pi. i. 



212. . Description of a new species of Columna [C. leai, W. Africa] 



ii, pp. 297 & 298, pi. xx pars. 



213. . Descrii^tious of new species of Melaniidce and Melanopida;. 



ii, pp. 299-301, pi. xx pars. 



214. . Description of a new species of Septifer [S. trautwiniana, New 



Granada], ii, p. 302, pi. xx pars. 



215. . Description of a new species of Helix [H. hridgesi, Nicaragua]. 



ii, p. 303, pi. XX pars. 



216. . On the Terrestrial Mollusca of the Guano Island of Navassa. 



ii, pp. 304 & 305, pi. xx pars. 



217. . Catalogue of recent Mollusca, belonging to the order Pholadacea. 



iii, App. pp. 1-21. 



218. . Notes on Mollusca collected by Dr F. V. Hayden, in Nebraska 



iv, pp. 150& 151. 



219. • Catalogue of the families Saxicavidce, My idee, and Corhulidee. 



iv, App. pp. 59-68. 



220. . Catalogue of the family Tellviidce. iv, App. pp. 72-126. 



221. . Descriptions of new species of Terrestrial Mollusca from the 



Andaman Islands, Indian Archipelago, v, pp. 109-111, pi. x pars. 



222. . Description of new species of marine Bivalve Mollusca in the 



collection of the Academy of Natural Sciences, v, pp. 170-172 

 pis. xiv, xvi pars. 



