HELIX. 



12. HELIX CALIFORNIENSIS, L.EA. 

 PLATE VI. FIGURE 2. 



H. testa globoso-conica, vix perforata, tenui,lucida, subtil- 

 issime indentata et granulate, luteo-cornea fascia rufa cincta ; 

 spira elevata, anfraclibus quinis, ultimo vesiculoso; apertura 

 semicirculari, labro reflexiusculo, intus incrassato, albo. 



SYNONYMS AND REFERENCES. 



Helix Californiensis, LEA, Trans. Amer. Philos. Soc. VI. 99, pi. 23, f. 79. 



DESCRIPTION. 



ANIMAL. Not observed. 



SHELL, ventricose, sub-globular, thin and transparent, 

 shining, delicately indented and granulated, faintly but 

 regularly striate, of a pale yellowish horn-color, minutely 

 flecked with pale spots and girded by a narrow brown band, 

 paler at its edges. Spire elevated, whorls five, convexly 

 rounded, the last very broad, vesicular ; base ventricose. 

 Aperture rather small, sub-circular, the lip slightly evert- 

 ed, thickened within, more everted towards its inner junc- 

 tion, where it is roundly reflected nearly covering a very 

 small umbilical perforation. The interior has a silky 

 lustre. 



Diameter six-eighths, axis five-eighths of an inch. 



GEOGRAPHICAL DISTRIBUTION. Brought by Mr. Nut- 

 tall from San Diego, Upper California. 



REMARKS. This species is closely allied to the pre- 

 ceding by its general contour, coloring, and marking, and 



VOL. II. 16 



