DRYM^US, SOUTH AMERICAN. 259 



Fig. 35. Spire shorter, convex-conic, aperture large. Whitish 

 or pale flesh tinted, with five (4 to 6) continuous narrow bands, 

 spreading as they reach the lip expansion, bands 2, 3 and 4, 5 more 

 or less approximate or confluent (var. sexfasciatus Schauf. ; includes 

 var. quadrifasciatus, tricolor and quinquefasciatus Schauf.). 



Fig. 40. Similar, but three bands above broken into square 

 brown spots (var. guttulatus Schaufuss). 



Figs. 33, 36, 38. Similar in form, but uniform white or fleshy 

 brown, the lip white, orange, or orange with a dark submarginal 

 stripe (var. percomis Schauf., fig. 36, and var. modesta Schauf., with- 

 out the dark stripe within). 



The names given by Dr. Schaufuss to part of the color-varieties 

 are quoted above ; but he has surcharged part of the patterns and 

 omitted to name some others. 



D. AURIS (Pfeiffer). Unfigured. 



Shell deeply compressed-umbilicate, ovate-turrited, rather solid, 

 smooth, white, sparcely marked with waved chestnut streaks ; spire 

 turrited, rather acute ; whorls 6, convex, the last nearly as long as 

 the spire, rounded, ascending in front. Aperture sub vertical, 

 reversed ear-shaped, bordered with violet within ; columella deeply 

 and strongly transversely folded, violaceous ; peristome broadly ex- 

 panded, the margins approaching, joined by a callus; columellar 

 margin sinuously elevated. Alt. 39, diam. 141 mill. ; aperture with 

 peristome 20 mill, long, 13 wide in the middle. (Pf/ 1 .)- 



Venezuela (Cuming coll.). 



Bulimus auris PFR., P. Z. S., 1865, p. 831 ; Monogr., vi, p. 36. 



Group of D. chanchamayensis. 



D. CHANCHAMAYENSIS (Hidalgo). PI. 40, figs. 6, 7. 



Shell closely related to B. canaliculatus Pfr., but larger, solid, 

 tawny-gray with two somewhat interrupted blackish bands; the 

 upper one spreading above in large spots, the other one a little below 

 the periphery. Columella straighter ; peristome broadly expanded 

 throughout. Alt. 43, diam. 23 mill. (Pfr.). 



C/ianc/iamayo, Peru (Thamm, Isern) ; Tarma, Peru (Jelski). 



Bulimus canaliculatus /? PFR., Monogr. Helic., vi, p. 78 ; Novit. 

 Conch., iii, p. 348, t. 82, f. 6, 7. Bulimus chanchamayensis HI- 

 DALGO in Journ. Conch., xviii, 1870, p. 49. PFR., Monogr., viii,p. 

 111. Bulimulus canaliculatus MARTENS in Malak. Bl., xiv, 1867, 



