64 8CALARIA. 



Var. BLANDII, Morch. 



Perforate, the suture less open, lamellae ten, with smaller and 

 more numerous lobes. 



S. CENTIQUADRA, Morcll. PI. 13, figs. 99, 100. 



Thin, white, decussated by fine growth-lines and spiral stria?, 

 the latter usually alternating larger and smaller; whorls about 

 8, witli ten or eleven Bttbcontinuous lamella Length, 15 mill. 



l\'t'xt Indies. 



It is S. denticulata, Sowb., not Mtg. (fig. 100). 



S. VITTATA, Jeffreys. PI. 13, fig. 3. 



Thin, semitraasparent, not glossy, pale yellowish brown, with 



three ehe-tiint bands on the body-whorl, two on those of the 



re ; whorls 12-14, moderately convex, with deep suture, with 



-harp, rather low lamella?, aculeate above. 

 Length, li'-f) mill. Mediterranean Sea, W. Co. Africa. 



S. ALGEBIANA, Weinkatiff. PI. 13, fig. 2. 



White, turreted ; whorls about 10, with slight spiral striae, and 

 fourteen lamella-, narrowly shouldered and aculeate above. 



Length, 6 mill. Cape Breton; Mediterranean Sea. 



This is S. coronata and S. Schultzii, Weinkauff, and S. multi- 

 strinta, Phil., not Say. 



S. TI KHIN ATA. Conrad. PL 13, fig. 8. 



Impel f<. r.ite, white, body-whorl dilated ; whorls about 4, with 

 strong lamellae, terminating in a prominent angle above. 



._rth, 8 mill. ar Beaufort, N. Carolina. 



S. POURTALESII, Verrill and Smith. PL 13, fig. 6. 



rather stout, with seven well rounded, scarcely 

 united whorls, crossed by about sixteen hiuh, thin, lamella-, 

 :ieule; t te :md annulate below the suture, interstices mieroscopi- 

 <-ally spirally striate. Length, lT'. r ) mill. 



Off Martha's Vineyard, Mass. 



S. ECHINATICOSTA, d'Orb. PL 13, fig. 98. 



Whorls 6, rapidly enlarging, almost distinct, with about a 



dozen lamella-, produced into three or four lobes mi radi whorl. 



mill. West Indies. 



