60 SCALAR! A. 



S. BUBROLTNEATA, Sowb. PI. 12, figS. 82, 83. 



Narrowly ombUicated, thin, yellowish white, two-banded with 

 light chestnut, the upper band narrower and fainter, sometime 

 obsolete; whorls f>, well rounded, with rat her numerous, thin, 

 erect lainella-. Length, 15-20 mill. Auxtr>ilni, I'liilijipines. 



S. DUBIA, Sowb. PI. 12, figs. r,7, r,8. 



Moderately nmbilieated. white; whorls 0, well rounded, con- 

 tiguous, with nmnrnui* thin, thread-like, low lamcllaj and 

 ible >piral striiu. Length, 1'5 inches. 



Port Essington, Australia. 



The original description was from a young specimen ; the 

 adult was described by Gray, three years subsequently, under 

 the name of S. striata (fig. 68). 



S. UNDULATISSIMA, Sowb. PL 12, fig. 70. 



Perforate, thin, white, very minutely spirally striated, with 



line undulated lamella 1 , a little aculeate at the top of the 



rls ; whorls 9, well rounded, slightly shouldered at the 



suture. Length, 1 inch. Habitat unknown. 



is, Sowb. PI. 12, fig. 71. 



Umbilicated, white, thin, with verj* thin, numerous irregular 



Oee,t little aculeated above; whorls 6, well rounded, con- 



I.rngth. 22 mill. Philippine*. 



Very closely allied to S. dubia ; the figure, however, represents 



closer, coarser lamella- than in that species. 



S. 8IMILI8, Sowb. PI. 1 1>, fig. 72. 



wly umbilicated, thin, white, very minutely spirally 

 striated ; whorls 6, contiguous, lamella 1 close and thin. 



igth, 18 mill. Philippines. 



8. SMiTHii,Tryon. PI. li>. I!-. 73. 



Fulvous grayish, \vry finely spiralh 1; whorls 8, 



rMiindrd. the last, somewhat inflated, with close, thin lamella'. 



Length, 14 mill. 



T !'//// /////. II". Africa. 



species was de-nibrd a< S. mirantln, K. A. Smith, and 

 tin- name is changed on account of the previously published 

 Crosseia miranda, A. Ad. 



