HELIX, 



1G9 



California. 



The shell figured'I believe to be this species. It is from near 

 San Francisco. 



Cat. No. No. of Sp. 

 9323 , lo 



Locality. 



From whom received. 



Near Sau Fraucis 



¥iz. 293. 



Helix reticulata. 



Helix retiCBllata, Pfeiffer. — Shell umbilicate, depressed globose, 

 solid, obliquely striated, and marked with obloug, somewhat regular granu- 

 lations formed by striie descending 

 towards the anterior part ; yellowish 

 with one revolvini^ reddish band ; spire 

 shortly conic; whirls five and f. half 

 somewhat convex, the last broad, roiand- 

 ed, not falling in front ; umbilicus nar- 

 row, not pervious ; aperture diagonal, 

 roundly lunate ; peristome white, thick- 

 ened, its ends not converging, the right 



scarcely expanded, the coUimellar sloping, dilated above and reflected. 

 Greater diam. 22, lesser 18 ; height IH mill. 



Helix reticulata, Pfeiffer, Mai. Blatt. 1857, 87 ; Mon. Hel. Viv. IV, 2 "O ; 

 Nov. Conch. I, 120, pi. xxxiv, f. 47.— W. G. Bixney, Terr. Moll. 

 IV, 12. 



Aglaja reticulata, Tryon, Am. Journ. Conch. II, 

 pi. vi, f. 18 (1866), no desc. 



Helix bridgesii, Newcomb, Proc. Cal. Acad. Nat. 

 Sci. II, 91 (1861). 



Aglaja bridgesii, Tryon, Am. Journ. Conch. II, 

 313, pi. xi, f. 29 (1866). 



Los Gatos, California. 



The figure is afac-simile of one of Pfeiffer's. 



Specimens of Helix bridgesii received 

 from Dr. Newcomb resemble forms of H. 

 reticulata so closely that I believe the two 

 to be identical. An authentic specimen, 

 loaned by Dr. Newcomb, is figured here. seUx brid^esu. 



Fig. 294. 



Helix ramentosa, Gould. — Shell perforate, suborbicular, de- 

 pressed, thin, reddish, with a smoky, white-margined baud revolving at 



