HELIX. 5l 



distinct from Berlanderiana had the author lived to finish 

 his work. Pfeiffer has, however, given its specific weight. 

 A fac-simile of his figure in Chemnitz is given (pi. 77, 

 fig. 20). 



My specimens are from Texas. It is quoted from Vera 

 Cruz, Mexico, by Pfeiffer, who also specifies a Central 

 American variety. 



HELIX HORTENSIS Muller vol. ii. p. Ill, pi. viii. 



Helix svbghbosa DeKay, N. Y. Moll. p. 31, pi. ii. fig. 14, pi. iii. fig. 39. 

 nemoralis Stimpson, Shells of N. E. 54, (abs. desc.) 



Inhabits also Greenland, (Morch,) and perhaps Con- 

 necticut, (Linsley, Am. Journ. 48, 280). 



HELIX ASPERSA Muller vol. ii. p • 117, pi. Ixxvii. fig. 4. 



I am indebted for the shell figured to Dr. L. R. Gibbes, 

 of Charleston, S. C. 



HELIX DIVEST A Gould vol. ii. pp. 122, 357, pi. xiii. a- fig. 2. 



Helix abjecta Pfeiffer, Mon. Hel. Viv. iii. 270. 



HELIX VARIANS Menke. . . . vol. ii. p. 123, pi. xlvi; xlvii; Ixxviii. fig. 22. 



Helix variam Menke teste Pfeiffer. 



Chemnitz, ed. 2, ii. 221, pi. c:x. figs. 1-5. 

 Pfeiffer, Mon. Hel. Viv. i. 238; iii. 183. 

 Helix carnicolcn' Pfeiffer, Symb. i. 37. 



Ferussac Podr. 293 (absq. desc.) 

 Desha YES, in Fer. i. 205, pi. xxix. A. figs. 14-17. 

 Reeve, Con. Icon. No. 283, (1852). 

 Helix pisana Chemnitz, ix. P. 2. p. 139. t. 132, fig. 1186. 87. Nee Miiller. 



Ferussac, Hist. 1. c. ? 

 Helix suhmeris Pfeiffer, Mon. iii. 183. 

 Helix rhodocheila Binney, olim. 

 Hemotrichus hcemostomus Swainson, Malac. p. 165, f. 19.? 



In the Smithsonian Institute are specimens from Key 

 Biscayne. 



There can, I think, be no doubt of the identity of H. 

 polychroa with H. varians of Porto Rico. Dr. Pfeiffer so 

 decided after receiving authentic specimens from me. 



