78 SCALARIA. 



Carpenter writes "additional specimens may connect this with the 

 Portuguese S. crenata," and again, in describing the pleistocene 

 fossil ? Var. insculpta, "it is quite possible that the three forms had 

 a common origin." 



S. DIADEMA, Sowb. PI. 16, figs. 99, 100. 



Solid, short, ventricose, shouldered, smooth, pale fulvous or 

 greyish, with thick longitudinal ribs, nodose at the shoulder-angle, 

 sometimes obsolete on the middle of the last whorl. Length, 18 mill. 



Gallapagos Is. 

 S. ZELEBORI, Frauenfeld. PI. 15, fig. 75. 



Whorls 9, very convex, strongly spirally costate, with rather 

 broad, somewhat recurved lamellae, white, somewhat solid. 

 Length, 22 mill. 



New Zealand, Australia. 

 S. VULPINA, Hinds. PI. 15, fig. 81. 



Orange brown, thick, spirally striated; whorls 10, well rounded, 

 with strong, rib-like lamellae. Length, 6 mill. 



Straits of Malacca. 



Section AM^A, H. & A. Adams. 1853. 



S. MAGNIFICA, Sowb. PL 16, fig. 16. 



Whorls 10, well-rounded, thin, with spiral riblets and somewhat 

 wider interstitial spaces showing growth-striae, on the last whorls 

 occasional longitudinal, narrow ribs, white or brownish white. 



Length, 4'25 in. 



? China. 



It is S. principalis, Chemn. not Pallas. 



S. MARTINII, Wood. PI. 16, fig. 5. 



Thin, white ; whorls 7-8, convex, very minutely, closely, spirally 

 striated, with occasional or numerous, irregular, varix-like ribs. 



Length, 1 in. 



Philippines, Mauritius. 



Reeve's locality, West Indies, is erroneous. S. striata, Kiener, is 

 a synonym. 

 S. RARICOSTATA, Lam. PI. 16, figs. 2, 3. 



White, rather thick, fimbriately cancellated (when fresh) by 

 close fine lamellae and spiral striae, with occasional stout variceal 

 ribs ; whorls about 6, rapidly enlarging and very convex. 



Length, 1 inch. 



Ceylon, Mauritius. 



It is S. reticulata, Helbling. 



