72 SCALARIA. 



S. MULTiSTRiATA, Say, PI. 15, fig. 63. 



Thin, white, very minutely spirally striated; whorls 8-9, very 

 convex, crossed by about 15 slightly oblique delicate lamellae, very 

 slightly shouldered at the top of the whorls. Length, 18 mill. 



Southern Coast of the United States. 



S. CANDiDissiMA, Montcrosato. PI. 15, fig. 64. 



Narrow, rather thin, white; whorls 9, very convex, crossed by 

 rather distant, simple lamellse. Length, 15 mill. 



Algiers. 



Something like S. eburnea, Pot. et Mich., but narrower. 



S. COMMUNIS, Lam. PI. 15, figs. 65, Q6. 



Eather thick, smooth, flesh colored, with light purplish macula- 

 tions, and usually a basal band of the same color; whorls about 12, 

 scarcely in contact, with about 9 erect, broadly recurved varices, 

 subcontinuous and also maculated. Length, 1*25 — 1'75 in. 



Europe. 



It is S. clathrus (not of Linnaeus), authors, S. laevigata, Calcara, 



S. TuRTONis, Turton. PI. 15, fig. 67. 



Resembling the preceding species in form and coloring, but the 

 lamellre flat, instead of raised, some of them much thicker than 

 others, appearing like varices; the ribs are less convex than in 

 S. communis. Length, 1 — 1*5 in. 



Europe, Madeira. 



The synonyms are S. planicostata, Bivona, S. tenuicostata, Mich. 



S. Cantrainei, Weinkauff". PI. 15, fig. 68. 



Flesh color or corneous, trifasciate with brownish; whorls 10, a 

 little flattened, with 12 strong lamellse, a little coronate at the 

 suture. Length, 5 mill. 



Algiers-Bay of Biscay. 



S. Kusmici, Brusina and S. Trevelyana, Tiberi are synonyms. 



S, Trevelyana Leach, PI. 15, fig. 69. 



Fleshy white, whorls 10, convex, rapidly increasing, with about 

 16 rather low, somewhat recurved lamellse, some of them much 

 thicker than the others. Length, 1 inch. 



Northern Europe. 

 S. pseudopulchella, Seguenza is a synonym. 



