HELIX. 119 



H. STYRIACA, Frauenfeld. PL 33, figs. 54, 55. 



Moderately umbilicated, \vith rather rough incremental striae, and 

 slight spiral lines, sometimes obsolete, dark corneous brown, here 

 and there darker, with radiating strigations anjcl maculations of 

 light yellowish, with a superior dark brown spiral band, whorls 5, 

 aperture large, white-lipped, a little inclined above, dilated below. 



Diam. 25'5, alt, 12'5 mill. 



Styria. 



Probably a flattened, umbilicated variety of H. arbustorum. 



Un figured Species. 



H. THAMNIVAGA, Mabille. Plombieres. 



H. THEMITA, Mabille. Hungary. 



H. FAGOTI, Bourg. France. 



B. California Species. 



H. STEABNSIANA, Gabb. PI. 33, fig. 56. 



Narrowly umbilicated, solid, with fine oblique incremental strise, 

 sometimes crossed by slight revolving lines ; whitish, with crowded 

 ash-colored spots, grouped below into revolving series, and a supe- 

 rior brown band ; whorls 5, rather convex ; aperture obliquely semi- 

 circular, peristome simple, acute, columellar margin expanded. 



Diam. 22 mill. 



Lower California, and at San. Diego, Cal. 



H. KELLETTI, Forbes. PI. 33, fig. 57. 



Narrowly umbilicated, or imperforate (in adults) thin, granulated, 

 obliquely striated, with slight impressed spiral lines, fulvous, with 

 brownish blotches and a superior band ; whorls 6, rather convex, 

 the last with a white peripheral band, and basally inflated ; aperture 

 reddish and banded within, peristome thin, scarcely reflected. 



Diam. 22 mill. 



San Diego, and Catalina Isl., California. 



H. CALIFORNIENSIS, Lea. PL 33, fig. 58. 



Subperforate, subglobular, thin and transparent, shining, delicately 

 indented and granulated, faintly, regularly striated, yellowish horn 

 color, minutely pale spotted, with a superior chestnut, light margined 

 band ; whorls 5, convexly rounded, base ventricose ; peristome thick- 

 ened within, slightly expanded, columellar margin nearly covering 

 the umbilicus. Diam. 19 mill. 



Monterey, California. 



