BULIMULUS-BOSTRYX-LISSOACME. 163 



margin dilated above, vaultingly reflexed. Alt. 17, diam. 11 mill. ; 

 aperture 9 mill, long, 5? wide. (Phil.'). 



" Hacienda de Unigambal" Peru (Raimondi). 

 Bulimus delicatulus PH., Malak. BL, xiv, 1867, p. 73. PFR., 

 Novit. Conch., iii, p. 335, pi. 80, f. 8, 9. 



The distinct though narrow umbilicus and the sculpture separates 

 it from B. translucens and B.fourmiersi. 



B. SORDIDUS Lesson. PI. 47, fig. 83. 



Shell umbilicated, ovate-pyramidal, thin ; coarsely striate ob- 

 liquely, the strice broken into oblong granules on middle and upper 

 part of body-whorl and the next earlier whorl. Dull light brown, 

 with several spiral whitish lines. Whorls 6?, convex, the earlier 

 smooth, glossy and brown. 



Aperture ovate, outer lip thin, columellar lip broadly dilated 

 above, white. Alt. 23*, diam. 14; alt. of aperture 12 mill. 



Mi. St. Christoval, near Lima (Lesson). 



Helix sordidus LESS., Voy. de la Coquille, ii, pt. 1, p. 315, pi. 13, 

 f. 3. Xot Helix sordida Pfr., 1842. Bulimus sordidus POT. & 

 MICH., Galerie., i, p. 155, pi. 15, f. 11, 12. ORBIGNY, Voy. Am. 

 Merid., p. 281. PFR., Monogr., ii, p. 188; Conchyl. Cab., p. 63, pi. 

 18, f. 7-9. REEVE, Conch. Icon., f. 401 (notf. 100). Not Bulinus 

 sordidus King (1831), see this vol. p. 51. 



This species differs from B. modestus mainly in itsgranulose stria3. 

 As its name preoccupies that of a species subsequently proposed by 

 Pfeiffer, the latter may be called H. subsordida. 



B. GUTTATUS Broderip. PL 47, figs. 76, 77, 78. 



Shell subperforate, ovate-fusiform, rugulose-striate, thin, pellucid 

 corneous, variegated u'ith opaque white streaks and blotches. Spire 

 conic, the apex papillar. Whorls 7, a little convex, the last about 

 equal in length to the spire. Aperture oval ; peristome unexpanded, 

 acute, the columellar margin dilated above, vaulted and reflexed, 

 nearly closing the perforation. Alt. 18, diam. 8 mill.; aperture 10 

 mill, long, 5 wide. (Pfr.). 



Cobija, Chili (Cuming). 



Bulinus guttatus BROD., P. Z. S., 1832, p. 31. SOWB., Conch. 

 Illustr., f. 10. Bulimus guttatus DESH. in Lam., An. s. Vert., viii, 

 p. 271. REEVE, Conch. Icon., f. 144. PFR., Monogr., ii, p. 177 ; iii, 

 410 ; vi, 112. HUPE in Gay's Historia de Chile, viii, p. Ill, pi. 1, 

 f. 5. 



