STROPHOCHEILUS-THAUMASTUS. 57 



S. TVENIOLUS Nyst. PI. 28, figs. 8, 9. 



Shell ovate-elongate, perforate, thin, the apex obtuse ; most finely 

 granulose ; tawny-brown. Whorls 7, somewhat convex, separated 

 by a crispate suture margined with a white band ; the last whorl 

 ventricose. Aperture ovate, livid within ; outer lip white and 

 acute ; columella white, oblique, connected with lip by a thin pari- 

 etal callus. Alt. 45, diam. 20 mill. (Ny*f). 



South America (Nyst). 



Bulimus tceniolus, NYST, Bull. Acad. Roy. Brux., xii, 1845, pt. 2, 

 p. 151; pi. 2, f. 4a, 6. REEVE, Couch. Icon., pi. 49, f. 326. PFR., 

 Monogr., ii, p. 200. 



Compare S. brepholdes Orb. ; S. spixii Reeve; S. spi.cii Wagner, 

 etc. 



S. BREPHOIDES Orbigny. PL 28, figs. 4, 5, 6, 7. 



Shell subperforate, ovate-oblong, solid, striated and subtly granu- 

 late-decussated, deep brown, sometimes with a pale peripheral band. 

 Spire convex-conic, obtuse ; suture closely crenulated and margined 

 by a wide pale band. Whorls 5-1, but slightly convex, the last 

 somewhat shorter than the spire. Columella somewhat receding ; 

 aperture vertical, semi-oval ; peristome straight, thickened ; colu- 

 mellar margin dilated, reflexed, subappressed. 



Alt. 55, diam. 24 ; aperture, alt. 26, width 13 mill. (Pfr.\ 



Peruvian Andes (Matthews) ; Prov. Huancajo, Peru (Raimondi). 



Helix brepholdes D'ORB., Mag. de ZooL, 1835, p. 17. Bui. bre- 

 phoides D'ORB., Voy. dans 1'Amer. Merid., p. 294, pi. 38, f. 8, 9.- 

 PFR., Monogr., ii, p. 143 ; Novit. Conch., iii, p. 491, pi. 106, f. 3, 4. 



A form with conspicuous bauds collected by Raimondi, has been 

 figured by Pfeiffer (figs. 6, 7). 



S. ISERNI Philippi. PL 29, figs. 12, 13, 14. 



Shell perforate, oblong-turrited, rather solid, shining, longitudi- 

 nally striatulate ; blackish- chestnut, uith a wide whitish band below 

 suture and another of double that width on the base, under a very 

 thin green or pale olive cuticle. Spire long-conic, the apex blackish- 

 purple and obtuse ; suture minutely plicate. AVhorls 6 to 7, nearly 

 flat, the last obliquely descending. 



Columella somewhat folded, slightly arcuate, of a livid tint. 

 Aperture oval, rather acuminate above, the inside showing the ex- 

 ternal coloring, bluish tinted, about two-fifths the total length ; 



