82 SCALARIA. 



isfied of. this. Another name for the fossil species is probably S. 

 serrata, Calcara. 



S. MULTIPERFORATA, Sowb. ' PI. 17, fig. 33. 



Fulvous, with broad, decumbent, undulated ribs, angularly fluted 

 on one side, the interstices pitted ; whorls 8, compressed, channeled 

 at the suture, crowned with raised points, last whorl keeled below, 

 pitted at the keel, varices few, irregular, thick, raised and produced 

 at the suture. Length, 15-18 mill. 



Mauritius, Singapore. 

 S. MORCHI, Angas. PI. 16, fig. 7. 



Solid, whitish ; whorls 9, rounded, decussated with longitudinal 

 ribs and more numerous spiral ridges, the longitudinal ones evanes- 

 cent at the base, suture impressed. Length, 10 mill. 



Port Jackson, Australia. 

 S. CRASSILABRUM, Sowb. PL 17, fig. 32. 



Whitish or yellowish white ; whorls 7, subbiangular, shouldered 

 with deep suture, rather obsoletely ribbed, aperture with thick, 

 expanded, minutely striated margin. Length, 6 mill. 



Philippines ; Central America ; Mazatlan. 



I know nothing about this species or its localities. 



S. BICARINATA, Sowb. PI. 17, fig. 28. 



Subcylindrical, whitish, narrow, very minutely cancellated, with 

 two spiral ribs on the body whorl, suture pitted. Length, 18 mill. 



Philippines. 



Perhaps a variation of the last species. 

 S. ATTENUATA, Pease. PI. 17, fig. 29. 



Narrower and more tapering than the preceding species, with the 

 keels on the last whorl nodose and much less distinct. 

 Length, 11 mill. 



Sandwich Islands. 



Very probably a mutation of the preceding form. 

 ;S. LEEANA, Verrill. PI. 17, fig. 31. 



Whitish, with well rounded ribs and deep suture, the ribs and 

 interspaces both crossed by numerous fine, spiral striae, each whorl 

 with a strong varix. Length, 5'5 mill. 



Off Martha's Vineyard, 146 fms. 



S. DENTISCALPIUM, Watson. PI. 18, fig. 77. 



White, with 10 convex whorls and moderate suture, with very 

 numerous, oblique, minute riblets, and finer and more numerous 



