HELIX-CATHAICA. 211 



H. SCHENSIENSIS Hilber. PI. 47, figs. 90-95. 



This is also a Loss fossil, probably a variety of the preceding, 

 the locality being Singan-fu, "Wei-ho Valley, Prov. Schen-Si, China. 

 See Hilb., 1. c. p. 333, t. 1, f. 10-13. The types of Hilber's species 

 are in the Royal Hungarian National Museum at Budapest. 



H. PULVERATRIX Martens. PI. 48, figs. 10, 14, 15. 



Fossil in the Loss, of the Province Kansu. Closely allied to the 

 following, but differs in greater size, less depressed contour, form of 

 the whorls and the presence of two faint bands. See Martens, I. c. 

 p. 1C, t. 2, f. 18. 



H. PULVERATRICULA Martens. PI. 48, fig. 5. 



Same locality as the last. See 1. c. p. 17, t. 2, f. 19. Helix loczyi 

 Hilber (Sitzungsber. k. Akad. Wiss. Wien, 1882, p. 329, t, 1, f. 4, 

 is believed by Mollendorff to be a synonym. On v. Martens' plate 

 this species is lettered " H. pulverella. " 



H. KREITNERI Hilber. PI. 48, figs. 6, 7, 8, 9. 



A fossil of the newer Valley Loss, Ku-lang-Shien, Prov. Kansu, 

 China. (See Hilb., I. c. p. 330, t. 1. f. 5). 



H. SININGFUENSIS Hiiber. PL 48, figs. 1, 2, 3, 4. 



Closely allied to the above, differing in the wider umbilicus and 

 carina at the periphery. Province Kansu. See Hilb., /. c. p. 331, 



t. 1, f. 7. 



H. SUBRUGOSA Deshayes. PI. 57, figs. 11, 12, 13; pi. 48, figs. 

 19, 20. 



Shell umbilicated (the umbilicus one-sixth to one-eighth the 

 diameter of the shell) depressed-globose, solid, opaque ; surface dull, 

 rather rugosely striated, yellowish-brown, with a light buff streak 

 outside the lip. 



Spire low, apex obtuse; whorls 5-5 , convex, separated by 

 impressed sutures, the last slightly deflexed in front, rounded below, 

 Aperture circular-lunate or oval-lunate, the lip slightly expanded, 

 strongly thickened within, white, the terminations approaching. 



Alt. 6, diam. 9 mill. (Dh.) 



Alt. 5|, diam. 8 mill. (Specimen.) 



Alt. 5J, diam. 9 mill. (Specimen.) 



Alt. 7, diam. 9* mill. (Mlldff.) 



Province of Dshy-li, North China. 



