192 BULIMULUS-BOSTRYX-LISSOACME. 



wholly closing the perforation ; parietal wall glossy ; throat uni- 

 colored brown or marked like the outside. Alt. 14-15, diam. 6-7; 

 aperture, length 6-7, width 4-5 mill. (Strob.*). 



Villa Vicencio and Casa de Piedra, Sierra de Mendoza, Argentina. 



Bulimulus (Mesembrinus) cordt fierce STROB., Mater. Malac. Ar- 

 gent., p. 22, pi. 1, f. 3 (1874). B. cordillene DOERING, Bol. Acad. 

 Nac. Cien. Rep. Argent., iii, p. 72. PFR., Monogr., viii, p. 156. 



This species is compared by Strobe! with B. devians Dohrn, which 

 has fewer whorls and different coloration. Doering believes it allied 

 to his B. monticola. 



B. TORTORANUS Doering. 



Shell covered-rimate, conic-oblong, subfusiform, thin, striatulate, 

 subdiaphanous, a little shining, rather smooth ; brown or buff-cor- 

 neous, closely ornamented with very irregular longitudinal opaque- 

 whitish marbled streaks. Whorls 7, rather flat, the first corneous 

 or corneous-buff, the rest variegated, last whorl oblong- ventricose, 

 about four-ninths the total length. Columella plicatulate. Aper- 

 ture oblong-oval ; peristome simple, thin, acute, the basal margin a 

 little expanded, the columellar margin shortly reflexed. Alt. 26- 

 27, diam. 10 mill.; aperture 12 mill, long, 6-62 wide. (Doer.). 

 Sierra de Pocho (Totoras, Yatan, Cerro Salado, etc.~), Argentina. 



Bulimulus tortoranus DOER., Bol. Acad. Nac. Cien. Rep. Argent., 

 iii, p. 71. 



Has some affinity with B. cordillerce, but is more conic, not so 

 pupiform, the whorls are less convex, and the aperture is more pro- 

 longed and a little reflexed at the base. Jaw of 10-12 large riblets, 

 the median ones narrower. 



B. FAYSSIANUS Petit. PI. 51, fig. 8. 



Shell ovate-oblong, brown, a little paler toward the sutures, shin- 

 ing, somewhat translucid, longitudinally very delicately striated. 

 Whorls 7, somewhat convex. Spire conic, slightly longer than the 

 aperture. Aperture pale purple-brown inside; columella oblique 

 above, straight below, white and dilated over the umbilicus which 

 it in large part covers; right margin very thin, acute. Alt. 31, 

 diam. 16 mill. (Petit). 



. 1 ryentina. 



B'uliniiix fayssianus PETIT DE LA SATJSSAYE, Journ. de Conch., 

 1853, p. 250, pi. 8, f. 7. PFR., Monogr., iv, p. 500. 



