DRYM^EUS, SOUTH AMERICAN. 219 



brown spots ; base lilac tinted, almost or entirely without markings. 

 Surface glossy, smooth, under the lens showing fine but distinct 

 spiral striation and slight growth lines. Spire short, conic, the apex 

 rather obtuse, earlier If whorls corneous or blackish-tipped, with 

 the usual Drymceus sculpture. Whorls 5| or 6, slightly convex, 

 the last large, rather inflated, suddenly ascending in front. 



Aperture large, decidedly oblique, purple tinted and showing the 

 external markings within ; peristome very broadly expanded, flar- 

 ing, lilac-purple with paler outer edge; columella vertical, straight 

 or slightly concave, the margin broadly reflexed above. 



Alt. 24*, diam. 13 mill. ; alt. of aperture 14 mill. 



Alt. 22, diam. 11 mill. ; alt. of aperture 12? mill. 



Moyobamba, eastern Peru (Yates). 



Bulimus sermtus PFR., P. Z. S., 1855, p. 94, pi. 31, f. 6; Novit. 

 Conch., i, p. 66, pi. 18, f. 15, 16 ; Monogr., iv, p. 391. Bulimus 

 meobambicus MORICAND MSS., according to Pfr. 



The large, oblique aperture, greatly expanded outer lip and pecu- 

 liar coloration of stripes abruptly terminating at the periphery, are 

 the more prominent features of this species. 



D. DACOSTIANUS Pilsbry, n. n. PI. 50, fig. 87. 



Shell ovate, thin, imperforate. Whorls 5, smooth, glossy, seen 

 under the lens to have transverse impressed sculpture, the apical 

 two whorls very delicately granulate. Pure white, longitudinally 

 streaked with blackish-chestnut. Columella narrowly reflexed. 

 Aperture ample, the outer lip simple, little expanded. Alt. 19, 

 diam. 11 mill. (daCosta). 



Ecuador (Buckley). 



Bulimuliu (Drymceus) lucidus DACosTA, Proc. Mai. Soc. Lond., 

 iii, p. 82, pi. 6, f. 4 (July, 1898). Not Bulimus lucidus Reeve, 

 which is also a Drymceus. 



D. BAEZEXSIS (Hidalgo). PL 36, figs. 48, 49, 50, 51. 



Shell narrowly umbilicated, fusiform-ovate, thin, shining, striatu- 

 late ; white, with five yellow transverse bands maculated with 

 brown ; spire lengthened, rather acute ; suture simple. Whorls 6, 

 a little convex, rather rapidly increasing, the earliest two very 

 minutely decussated (as seen under a lens), the last more convex, 

 obliquely descending ; columella little arcuate, scarcely folded. 

 Aperture ovate, colored within like the outside, half the length of 



