160 



LAND AND FRESH-WATER SHELLS OF N. A. [PART I. 



Pfeiffek, Mon. Hel. Viv. Ill, 227 (not I) ; in Chemnitz, ed. 2, II, 

 275, pi. cxxiii, f. 15-18.— Reeve, Con. Icon. no. 708 (1852). 



Helix paclnjloma, Mexke iu Pfeiffek, /, c. I, 323 ; Zeitschr. f. Mai. 1847, 

 IV, 32. 



Helix virginalis, Pfeiffek, Mon. Hel. Viv. Ill, 132; I, 165 a.9 berlan- 

 derimm ; IV, 140; in Chemnitz, ed. 2, I, 260, pi. xxxviii, f. 18, 19, 



Hygromia herlandieriana, Tkyon, Am. Jouru. Conch. II, 309, pi. v, f. 4 

 (1867). 



Arkansas, Texas, and the neighboring portions of Mexico. 



Fig. 277. 



Helix griseola, Pfr. — Shell nmbilicated, depressed-globose, ob- 

 liquely striate, shining, grayish, banded with red, white-margined stripes; 

 spire short ; whirls four to four and a half, rather convex ; um- 

 bilicus very narrow ; aperture lunar ; peristome simple, white, 

 reflected somewhat, its columellar end rather expanded. 

 Greater diam. 10, lesser 8§ ; height 6 mill. 



Helix griseola, Pfeiffek, Symb. Hist. Hel. I, 41 ; Mon. Hel. 

 Viv. I, 337 ; in Chem.mtz, ed. 2, I, 342, pi. Ix, f. 17, 18. 

 —Reeve, Con. Icon. no. 327 (1852).— VV. G. Binxey, 

 Terr. Moll. IV, 50, pl. Ixxvii, f. 20. 

 Helix cicercula, Fercssac in Mus., teste Pfeiffek. 

 Helix splenilidula, Anton, Verz. 36, no descr., teste Pfeiffek. 

 Helix albocincia, Bixney, Terr. Moll. 1, 128. 

 Helix albozonata, Binxey iu tab. xlix, f. 2. 

 Helix herlandieriana, Gould, part, in Terr. Moll. II, 109. 

 Helix albolineata, Gould, Terr. Moll. Ill, .34. 

 Hygromia griseola, Tkyon, Am. Journ. Conch. II, 309, pl. v, f. 5 (1867). 



Texas to Yera Cruz, Mexico. 



