144 
MOLLDSCA. 
being found also in its postpliocene deposits ; Mesomphix, Mesodon^ and 
Triodopsis are greatly developed ; Ohio, Indiana, and Cumberland may 
have been the starting points of that fauna, (c) The southern region, 
comprising the Peninsula of Florida, and the adjacent islands, and the 
alluvial regions of the Atlantic and Gulf coasts ; 26 species are peculiar 
to it, 12 others common with Cuba or the Bahama Islands, 30 common 
with the preceding sub-region. In the southern part of Texas, the 
Mexican fauna overlaps the North American, there being about 35 
species, either Mexican or peculiar, but very near the Mexican, Bull. 
Mus. 0. Z. iii. No. 9, pp. 191-220, map. 
43 species of Gastropoda (one new, and one new var.), and 23 of 
Lamellihranchiatay collected near the 49th parallel, from the Lake of the 
Woods to the Rocky Mountains ; G. M. Dawson, suprdy p. 130. 
Some species collected in Colorado by Lieut. W. L. Carpenter 
are enumerated by W. G. Binney, An. Rep. of U. S. Geol. & Geogr. 
Survey of the Territories for 1873 (Washington: 1874), pt. iii. 
Zoology, p. 623 [also published separately, same pagination, Washington : 
1875, 8vo]. Zonites nitidus (Miill.) is the only land-shell found in the 
alpine region of that country ; id. tom. cit. p. 542. 
Cave-Fauna. Living Pulmonate Mollusks have been found in the 
Carter Caves, Kentucky, Bradford Caves, Indiana, and Weyer’s Cave, 
Virginia, but none in Mammoth or Wyandotte Caves; A. S. Packard, 
Am. Nat. ix. pp. 277 & 274. 
7. Central and South America. 
Mexico. The fifth part of Fischer & Crosse’s work on the Mexican 
land- and freshwater-shells, discusses the genus Bulimulus (infr^). 
Guatemala. 32 species collected by O. Salvin are enumerated by E. v. 
Martens, P. Z. S. 1875 [1876], pp. 647-649. 
Hayti and Cuba. On some land-shells common to both islands, cf. 
T. Bland, Ann. Lyc. N. York, xi. p. 198. 
Jamaica. Notes on some land-shells by C. P. Gloyne, J. de Conch, 
xxiii. pp. 115-126. 
Porto Rico. Some notes on Gundlach’s collections by L. Pfeiffer, 
Mai. Bl. xxii. pp. 118 & 119. 
Trinidad. R. J. Lechmere Guppy compares the land- and fresh- 
water shells with those of the continent of America and of other 
Caribbean Islands, and comes to the conclusion that they agree much 
more with the former; P. Z, S. 1875, pp. 319-322. See also Q. J. 
Conch, i. p. 109. 
Some additional notes to the list of terrestrial shells collected in 
South America [see Zool. Rec. vii. p. 125] are given by F. G. Hidalgo, 
J. de Conch, xxiii. pp. 127-131 ; some species are figured on pi. vi. 
Argentine States. A. Doring, Bol. Ac. Cordova, iv. pp. 432-436, 
continues his paper on the land- and freshwater-Mollusks, discussing 
conchologically, and partly also anatomically, 1 LimaXy 1 Hyalinay 3 
Streptaxis, 11 Helix, a,nd IQBulimus; and giving a supplement to his 
previous list (op. cit. i. pp. 51-59) of the known species. 
