270 DRY1OEUS, SOUTH AMERICAN. 



D. RUBROVARIEGATUS (Higgins). PL 47, figs. 12, 13, 14, 15. 



Shell riraate, oblong, fusiform, rather thin, but moderately solid, 

 lightly striate, smooth ; white, variegated with blackish stripes 

 which are more or less interrupted and white-dotted, and often 

 edged on one side -with red; a subsutural band reddish or white, 

 and with a red area around the columella. Whorls 7 to 8, some- 

 what convex, the last tapering below. Aperture narrow and long, 

 variegated inside, the outer lip sharp and simple, regularly arcuate, 

 parietal margin and columella forming an unusually straight inner 

 lip, slightly concave in the middle; basal lip abruptly receding. 

 Columella reflexed and appressed, truncate at base. 



Alt. 37, diam. 13; length of aperture 17, breadth 62 mill. 



Alt. 30, diam. 11 J ; length of aperture 14, breadth 53 mill. 



Huamachuco, Peru. 



Bulimus rubrovariegatus HIGGINS, P. Z, 8., 1868, p. 178, pi. 14, 

 f. 2, 2a. PFR., Monogr., viii, p. 149. 



More slender than D. vespertinus, with the aperture proportion- 

 ately smaller. In D. scitulus the red variegation is absent, the aper- 

 ture still shorter, and the spire more developed. 



D. LOXANUS (Higgins). PI. 48, figs. 39, 40. 



Shell subperforate, ovate-fusiform, rather thin, longitudinally 

 plicate-striate, obscurely striolate spirally. Grayish-brown, encir- 

 cled by chestnut bands and buff lines, and with irregularly scat- 

 tered buff dots. Spire somewhat convexly conic, with rather acute 

 apex ; sutures distinct. Whorls 7, a little convex, the last a little 

 shorter than the spire, tapering and red at base. Aperture a little 

 oblique, acuminate-oval, chestnut-colored inside, with the bands and 

 dots showing through, the margin red ; columella rather straight, 

 minutely granulose, red ; peristome simple, unexpanded, the basal 

 margin somewhat expanded, columellar margin dilated above, 

 somewhat appressed, vaulted, reflexed. Alt. 29, diam. 11 mill.; 

 aperture 14 mill, long, 6 wide. (Higgins). 



Loxa, Ecuador (Buckley); between Popayan and the Hacienda 

 Sotard, Colombia, at about 2400 meters alt. (Stiibel). 



Otostomus loxanus HIGGINS, P. Z. S., 1872, p. 685, pi. 56, f. 2, 

 2a. MAKTENS, Conch. Mittheil., p. 160. Bulimus loxanus 

 Monogr., viii, p. 150, 



