DRYM^EUS, MEXICO AND CENTRAL AMERICA. 73 



ish streaks of the surface to be growth-periods. Columellar reflec- 

 tion, columella and umbilical chink as in dominions. 



Alt. 14.2, diam. 8.4, length of aperture 5.3 mill.; whorls 5J. 



Alt. 13.6, diam. 8.3, length of aperture 4.8 mill.; 



Tehuantepec 



Bulimulus albostriatus STREBEL, Beitr. Mex. Land- und Siissw.- 

 Conch. v, p. 94, pi. 6, f. 3 (1882). 



Based on four similar specimens received from an English dealer 

 as an unknown species, among material from Tehauntepec, which in 

 all probability was collected by Dr. Sumichrast. Very likely a form 

 of dominions. 



D. CHAMPIONI (von Martens). PI. 5, fig. 10. 



Shell perforate, ovate-conic, thin, closely and finely spirally stri- 

 ated, shining, diaphanous whitish. Spire conic, the apex rather ob- 

 tuse ; whorls 6^, slightly convex, regularly increasing, with the suture 

 white, the last whorl ventricose ; painted with a subsutural brown 

 band becoming obsolescent in front, and some sparse brown spots. 

 Aperture rhombic-oval, a little oblique ; peristome thin, a trifle ex- 

 panded, the columellar margin triangularly dilated, vertical, whitish. 



Alt. 27, diam. 14J, length of aperture 13, width 9 mill. (Mart;). 



W. Guatemala: Hacienda de Las Nubes, Cerro Zunil, Pacific- 

 slope, in the vicinity of the coffee plantations, elevation about 5000 

 ft. (Champion.) 



Otostomus championi MARTENS, Biol. Centr. Amer., p. 222, pi. 14, 

 f. 5 (Sept., 1893). 



Described from a single specimen. 



D. EMEUS (Say). PI. 4, figs. 52-61. 



"With crowded, minute, transverse striae. Inhabits Mexico. Shell 

 conic or elongate ovate, slightly angulated on the middle of the volu- 

 tions, and covered with minute, undulated, impressed, capillary lines; 

 whitish, with maculated bands; suture not deeply impressed ; aper- 

 ture shorter than the spire ; labrum exteriorly simple, interiorly with 

 a thickened submargin ; columella short, recurved ; umbilicus small, 

 but distinct ; spire with the angulation concealed by the suture ; body 

 whorl with the angulation almost obsolete. Length thirteen-twentieths 

 of an inch ; greatest breadth (parallel to the suture) three-tenths. 

 (Say.) 



