S2 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 2:)oints, 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 Avith longitudinal 

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

 cent at the base, suture imj^ressed. Length, 10 mill. 



Port Jackson, Australia. 



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



Whitish or yellowish white ; whorls 7, subbiangular, shouldered 

 with deejD suture, rather obsoletely ribbed, a2:)erture with thick, 

 expanded, minutely striated margin. Length, 6 mill. 



Philipjnnes ; 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 spix'al ribs on the body whorl, suture pitted. Length, 18 mill. 



Philippines. 



Perhaps a variation of the last specie*. 

 S, ATTENUATA, Peasc. PI. 17, iig. 29. 



Narrower and more tapering than the preceding species, Avith 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, tlie ribs and 

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

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



Off Martha's Vineyard, 14Qf)ns. 



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 



