206 



EULOTA. 



Shell uinbilicated, depressed, sculptured with striae or riblets; 

 whorls 5-7, slightly convex, the last usually somewhat angular at 

 periphery. Aperture oblique ; peristome thickened within, the 

 upper margin unexpanded, outer and basal margins expanded, 

 columella dilated. Type E. fasciola Dr. (=pyrrhozona Phil.,) pi. 

 55, figs. 6, 7. 



Animal with the tail rounded above, no longitudinal groove. Sole 

 indistinctly tripartite. 



Jaw arcuate, with 3 to 7 weak ribs (pi. 65, fig. 8, pyrrhozona ; 

 pi. 65, fig. 15, przewalskii}. 



Radula with blunt mesocones on median and lateral teeth ; mar- 

 ginals with the ectocone simple or bifid (pi. 65, fig. 7 ', pyrrhozona ; 

 pi. 65, figs. 16, 17, middle, and 1st, 2d, 10th, 14th, 18th, 23d, and 

 3 marginal teeth of przewalskii). 



Genitalia: penis slender, ending in a long retractor and the ter- 

 minal vas deferens. Dart sack large, opening into atrium, one 

 dense cluster of about 10 club-shaped, glandular mucus glands in- 

 serted near its base. Spermatheca duct long (pi. 66, fig. 32, E. 

 pyrrhozona). 



Distribution, north and middle China and Central Asia. 

 E. brevispira H. Ad., viii, 208. E. pandynama Mab., viii, 194. 



E. buddseHilb.,viii,208. 

 E. buvigneri Dh., viii, 212. 



richthofeni Mts. 

 E. confucii Hilb., viii, 213. 

 E. constantise H. Ad., viii, 206. 



" constantince" viii, 206. 

 E. desgodinsi Bgt., viii, 194. 

 E. giraudeliana Hde., viii, 210. 

 E. grseseri Mouss., viii, 205. 

 E. gredleri Hilb., viii, 209. 



stoliczkana Hilb., olim. 

 E. heudei Hilb., viii, 210. 

 E. inopinata Dh., viii, 207. 

 E. kreitneri Hilb., viii, 211. 

 E. lutuosaDh., viii, 212. 



" lutosa " Try., iii, 208. 

 E. magnacianaHde., viii, 207. 

 E. mongolica Mlldff., viii, 206. 

 E. orythia Mts., viii, 210. 



E. pekinensis Dh., viii, 205. 

 tchiliensis Mlldff. 



/. conoidea Dh. 

 E. przewalskii Mts., viii, 209. 



mencii Hilb. 

 E. pulveratricula Mts., viii, 211. 



"pulverella " on pi. 



loczyi Hilb. 



E. pulveratrix Mts., viii, 211. 

 E. fasciola Drap. iii, 208. 



pyrrhozona Ph., viii, 204. 



faciola Dr., iii, 208. 

 E. schensiensis Hilb., viii, 211. 

 E. sempriniana Hde., viii, 207. 

 E. siuingfuensis Hilb., viii, 211. 

 E. stoliczkana Nev., iii, 250. 

 E. subrugosa Dh., viii, 211. 



v. kalganensis Mlldff. 

 E. thibetica Dh., viii, 208. 



tibetica Mlldff. 



