HELIX. 121 



12. HELIX CALIFORNIENSIS, LEA. 

 Plate VI. Figure 2. 



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

 issime indentata at granulata, luteo-cornea fascia rufa cincta ; 

 spira elevata, anfractibus quinis, ultimo vesiculoso ; apertura 

 semicirculari, labro reflexiusculo, intus incrassato, albo. 



SYNONYMS AND EEFEBENCES. 



Helix Caltforme.7isis, Lea, Trans. Amer. Philos. Soc. VI. 99, pi. 23, f. 79. 

 DESCRIPTION. 



Animal. Not observed. 



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

 sliining, delicately indented and granulated, faintly but 

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

 flecked with pale spots and girdedby 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-cu-cular, the Up 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 alhed to the pre- 

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



VOL. II. 31 



