DRYM^EUS, MEXICO AND CENTRAL AMERICA. 79 



acute ; suture submargined with a paler tint. Whorls 6, slightly 

 convex, the last as long as the spire ; columella straightened ; aper- 

 ture suboblong, truncate-oval, colored within like the outside ; peri- 

 stome simple, narrowly expanded, the columellar margin shortly re- 

 flexed above. 



Alt. 24, diam. 12, length of aperture 13 mill. (Pfr.). 



N. Guatemala: Ooban (Delattre); Vera Paz (Morelet). 



Bulimus moricandi PFR., P. Z. S., 1846, p. 113; Monogr. Helic. 

 Vivent., ii, p. 109. REEVE, Conch. Icon, v, Bulimus, pi. 45, fig. 

 283 Bulimus (Leiostracus*) moricandi PKR., in Malak. Blatt. ii, p. 

 153 (1855). Bulimulus (Liostracus) moricandi MART., in Albers' 

 Die Helic., ed. 2, p. 213. Bulimulus (Drymceus) moricandi FISCH. 

 & CROSSE, Miss. Scient. Mex., Mollusca, i, p. 497, pi. 24, figs. 9, 9. 

 Otostomus moricandi VON MARTENS, Biol. Centr. Amer. p. 227. 



Var. hyalino-albidus. Clear whitish. Bulimus moricandi var., 

 Pfr., Monogr. Helic. Vivent. iv, p. 398 ; Bulimulus (Drymaus) mori- 

 candi var. P, hyalino-albida Fisch. & Crosse, loc. cit., p. 498). 



S. Mexico: Chiapas (Ghiesbreght); Yucatan (F. D. Godman); E. 

 Guatemala: Yzabal (Stoll). 



Evidently very close to D. sulphureus, from which its somewhat 

 more ventricose form, larger aperture, and stouter, perhaps convexly- 

 conic spire, may perhaps distinguish it. Specimens before me lab- 

 elled " B. moricandi, Guatemala, Sarg," prove to be merely sulphureus. 



GROUP OF D. MULT1LINEATUS. 



D. MULTILINEATUS (Say). See page 27. 



D. MORITINCTUS (von Martens). PI. 6, figs. 26, 27, 28, 29. 



Shell rimate, ovate-oblong, rather thin, irregularly striatulate, 

 shining; isabelline-whitish, with very few oblique streaks, a single 

 rather wide peripheral band of blackish, and sparsely scattered dots 

 of the same color. Spire conic, the apex rather obtuse, blackish or 

 brown. Whorls 6, a little convex, the last slightly attenuated basally, 

 and sometimes rose-tinted there. 



Aperture half the length of the shell, a little oblique, acuminate- 

 oblong, colored within like the outside; peristome simple, not ex- 

 panded, the columellar margin thin, lightly arcuate, shortly reflexed 

 and appressed at the umbilical chink. 



Alt. 26-29, diam. 13, length of aperture 14-15 mill. (Mart.} 



