31 4 DRYM^EUS-STENOSTYLUS. 



D. KOCHI (Pfeiffer). PI. 46, figs. 42, 43. 



Shell im perforate, ovate, very thin, somewhat wrinkled ; blackish- 

 olivaceous, covered with a very thin, deciduous epidermis. Spire 

 short, obtuse. Whorls 4, convex, the last one over two-thirds the 

 length of the shell. Columella simple, thread-like, whitish, rather 

 straight. Aperture oblong-oval, colored within like the outside; 

 peristome simple, the right margin arching forward. Alt. 20?, 

 diam. 12 ; alt. of aperture 15 mill. (Pfr.~). 



Amable Maria, Peru (Jelski). 



Bulimus kochi PFR., Zeitschr. f. Malak., 1846, p. 114; Monogr., 

 ii, p. 148 ; iii, p. 383 ; viii, p. 126. PHILIPPI, Abbild. u. Beschreib., 

 iii, p. 20, BuL, pi. 8, f. 10. Bulimus (Plectostylus) kochi LUBOMIR- 

 SKI, P.Z.S.,1879,p. 724. 



D. GUTTULA (Pfeiffer). PI. 46, figs. 61, 62. 



Shell perforate, ovate-conic, very thin, striated, pellucid, corneous ; 

 spire conic, the apex obtuse. Whorls 5, a little convex, the last 

 somewhat longer than the spire, rotund. Columella lightly arcuate. 

 Aperture oblique, truncate-oval ; peristome simple, thin, narrowly 

 expanded, the columellar margin vaulted, a little reflexed, Alt. 

 16, diam. 9 ; length of aperture 82 mill. (Pfr.~). 



Gualea, Ecuador (Bourcier). 



Bulimus guttula PFR., P. Z. S., 1852, p. 154 ; Couchyl. Cab., p. 100, 

 pi. 32, f. 7, 8 ; Monogr., iii, p. 339 ; vi, 45. Leptomerns guttula MIL- 

 LER, Mai. Bl., 1878, xxv, p. 194. 



D. GOUDOTI (Petit). PI. 46, figs. 44, 49. 



Shell imperforate, ovate, thin, pellucid, brown-olive ; whorls 5, 

 slightly convex, longitudinally irregularly, delicately striated ; the 

 last whorl a little longer than the spire; columella angulose callous 

 *n the middle. Aperture oblong-oval, dull bluish inside; peri- 

 stome simple, the columellar margin a little reflexed. Alt. 39, diam. 

 19 ; aperture, alt. 23, width 14 mill. (Pfn). 



Mt. Tolima, Prov. Sta. Fe de Bogota, Colombia (Goudot). 



Bulimus goudoti PETIT, Revue Zool., 1843, p. 239 ; Guerin's Mag. 

 de Zool., 1843, pi. 67. PFR., Monogr., ii, p. 167. REEVE, Conch. 

 Icon., pi. 37, f. 218. 



D. TROSCHELI (Philippi). PL 46, figs. 45, 46. 



Shell covered perforate, ovate, thin, somewhat wrinkled, buff- 

 olivaceous. Spire pyramidal, the apex o.btuse; whorls 5, rather 



