84 PLEKOCHEILUS-EURYTUS. 



Yar. SCYTODES Pfeiffer. PI. 34, figs. 63, 64. 



Shell i in perforate, ovate conic, thin, remotely striate, minutely 

 granulate all over, the granules not regularly arranged, hardly 

 shining; brown, with irregularly scattered reddish and larger black- 

 ish spots, and painted with angular, flexuous, longitudinal buff lines, 

 often in pairs or confluent. Spire short, convex-conic, rather ob- 

 tuse. Whorls 4, slightly convex, the last large, four-sevenths the 

 entire alt., deflexed in front, rounded at base. Columella narrow, 

 entering, lightly arcuate. Aperture little oblique, oval, concolored 

 within, shining; peristome simple, thin, reddish, narrowly reflexed 

 throughout. Alt. 35, diara. 17?; aperture, alt. 21, width 12 mill. 



Andes of Colombia (Cuming coll.). 



B. scytodes PER., P. Z. S, 1851, p. 25(5 ; Conchyl. Cab., p. 93, pi. 31, 

 f. 17,18; Monogr.iii, 302. 



I am unable to find characters in this separating it from P. 

 veranyi. 



P. SUCCINOIDES Petit. PI. 34, figs. 65, 66. 



Shell succinea-shaped, ovate, imperforate, thin. Yellow, with a, 

 dark chestnut sutural band, and more or less variegated with irregu- 

 lar, creamy oblique stripes ; the parietal wall dark chestnut. Sur- 

 face lusterless, with irregular wrinkles in the direction of the growth- 

 stria?, and densely, rather coarsely granulated throughout, the gran- 

 ules irregular in arrangement. Spire very short. Whorls 3? to 4, 

 the last very large. 



Aperture very large, about four-fifths the shell's length or some- 

 what less, ovate, flesh-tinted inside and often showing the external 

 stripes ; peristome very narrowly reflexed throughout, white ; colum- 

 ella long, arcuate, white, dilated and adnate above. 



Alt. 31, diam. 19 ; alt. of aperture, 22 mill. 



Alt. 49, diam. 26 ; alt. of aperture, 38 mill. 



Santa Fc de Bogota; Boca del Monte, Plain of Bogota (Bid.) ; 

 Merida, Colombia. 



B. succinoides PET., Revue Zool., 1X40, p. 75 ; Mag. de Zool., 1841, 

 pi. 31. PER., Monogr., ii, p. 18. REEVE, Conch. Icon., pi. 42, f. 

 264. DESH. in For. Hist., p. 46, pi. 145, f. 19-21. MOUSSON, 

 Malak. Bl. xxi, 1873, p. 7. DOHRN, Jahrb. D. Malak. Ges. ii, 

 1 .s75, p. SQl.-Bulimua succiiieoicles MART., Die Hel., p. 195,-Succinea 

 bulimoides PER., Symbolic ad Hist. Hel., ii, p. 131. Bnlimus lati- 



