SCALARIA. 57 



S. TENUILIRATA, Sowb. PI. 11, fig. 51. 



Perforate, purple brown between the varices; whorls 6> 



rounded, rapidlj^ increasing:, with deep suture, lamellae very 



close, unequal, thin, rounded, retlected. Length, 12 mill. 



Japan. 



S. LAXATA, Sowb. PI. 11, fig. 52. 



Narrowly umbilicated, thin, smooth, white; wliorls 6, much 



disunited, with numerous, thin, scarcely regular lamellte. 



Length, 20 mill. 



Ins. Luzon ^ Philippines. 



S. HYALiNA, Sowb. PI. 11, figs. 53, 54. 



Widely umbilicated, solute, smooth, thin, pellucid, white; 



whorls 6, with distant, crenulated varices. Length, 18 mill. 



Ins. Luzon .^ Philippines ; Singapore. 



S. soLUTA, Dunker. PL 11, fig. 55. 



Umbilicated, white ; whorls 5, well rounded, disunited, with 



about ten crenulated white lamellae, usually four-Iobed in the 



last whorl. Length, 5 mill. 



St. Thomas^ West Indies. 



S. sEMiDisjUNCTA, Jeffreys. PI. 11, fig. 56. 



Subimperforate, corkscrew-shaped, white ; whorls T-8, flat- 

 shouldered, with close-set, flexuous, sharp lamellae, the inter- 

 stices very finel3- spirally striated. Length, 12 5 mill. 



Azores., 2199 fms. 

 S. Vermetiformis, Watson. PI. 18, fig. t4. 



Solute, thin, white; whorls 6, rounded, with numerous low, 

 fine, sinuous lamellae, and fine spiral lines. Length, 6 mill. 



Off Pernamhuco (350 fms.). 



S. PRINCIPALIS, Pallas. PI. 12, fig. 58. 



Narrowly umbilicated, thick, white, irregularly spirally stri- 

 ated ; whorls 8-10, well rounded, scarcely in contact, with rather 

 numerous, low lamellae. Length, 1*75 inches. 



Tortola, W. Indies. 

 S. cosTULATA, Kicuer. PI. 12, fig. 59. 



Narrower, with more numerous, lower lamellae than the prece- 

 ding species, but possibly only a variety. Length, 34 mill. 



W. Columbia (Cuming). 



