70 SCALARIA. 



S. ELENENSIS, Sowb. PL 14, fig. 44. 



AVhite, whorls 7, convex, with deep suture, lamellae about 6, very 

 distant, continuous, slightly plaited at the suture. Length, 10 mill. 



St. Elena, W. .Columbia* 

 S. HEX AGON A, Sowb. PI. 14, fig. 45. 



Thick, white; whorls 6, moderately convex, with six strong, 

 oblique, thick lamellae, Length, 15 mill. 



Acapulco* 



S. CURVILINEATA, Sowb. PI. 14, fig. 46. 



Whitish, whorls 6, oblong, not very convex, contiguous, lamellae 

 thin, curvilinear, simple. Length, 15 mill. 



Sonsonate, Central America. 



S. INDIANORUM, Carp. PI. 14, figs. 48, 49. 



Rather thin, white, whorls 10, rounded, scarcely in contact, with 

 8 15 (usually about 12) lamellae, narrowly aculeated at the top of 

 the whorls. Length, 1 in. 



Vancouver's Isl. California. 

 Var. TINCTA, Carp. Fig. 49. 



Costae acute, not reflected, whorls posteriorly tinged with brownish 

 purple. 



Southern California. 

 S. VENOSA, Sowb. PI. 14, fig. 50. 



Smooth, white; whorls 9, separate, with about 11 lamellae, some- 

 what reflected and subangulate at the suture. Length, 13 18 mill. 



West Indies, Venezuela. 

 S. MODESTA, C. B. Ad. PL 14, fig. 60. 



Ventricose, short, pale fulvous; whorls 7, rather convex, with 

 rather distant simple lamellae. Length, 14 mill. 



West Indies* 

 S. ORBIGNYI, Nyst. PL 14, fig. 51. 



Solid, white, whorls 9, with very deep suture, lamellae 14, thick,, 

 low, angulated at the suture. Length, 15 mill. 



West Indies, Patagonia* 

 It is S. elegans, d'Orb., not Risso. 

 S. ANGULATA, Say. PL 14, fig. 53. 



Whorls about 7, subcylindrical, white, separate, with about 9-10, 

 strong lamellae, slightly angular above. 



Connecticut to Florida* 

 This is S. clathrus, Say (not Linn.), and S. Humplireysiana, Kiener.. 



