STROMBU8. 119 



tions and these plications are distant or close, varying in 

 number. 



S. plicatus, Lam. (PI. 7, fig. 70), and S. olydius, Duclos (PI. 

 6, fig. 68), arc synonyms. 



The difference between this species and S. urceus is so slight, 

 and there is so much variation in the shells, that it is very 

 doubtful whether their separation can be maintained ; several 

 distinguished modern conehologists have united them. 



Yar. ERYTHRINUS, Chemn* Figs. 69, 71. 



Shell smaller and narrower, tUe spire generallj' more exserted ; 

 the swollen outer border of the aperture is usually darker than 

 the rest of the exterior surface. Length, 1-1-5 inches. 



Red Sea, Australia. 



S. elegans, Sowb. (fig. 71), is a synonym of this variety. 



Yar. RUGOSUS, Sowb. Fig. 72. 



Ribs and spiral sculpture both strong, extending over the 

 body-whorl, which is rugose throughout. 



Corea to Polynesia. 



S. corrugatus, Ads. and Reeve, is a synonym. 



Yar. PULCHELLUS, Reeve. Fig. 70. 



Shell wider, the outer lip well expanded, particularly behind, 

 forming a rather broad shoulder ; surface very rugose, usually 

 with a second inferior band of small tubercles on the body-whorl. 



Length, 1-1-25 inches. 



Philippines. 

 L. FLORIDUS, Lam. PI. 7, figs. 73-76, 80, 83. 



Whorls smooth or obsoletely spirally striate, grooved at the 

 base of the bod3 r -whorl ; spire short, composed of round- 

 shouldered whorls, obtusely tuberculate; body-whorl with usually 

 only two or three compressed tubercles on the back, at the 

 shoulder, columella and interior closely ridged ; white and 

 yellowish, brown or chocolate variegated in interrupted bands ? 

 maculations and spots ; aperture and columellar lip white, with 

 the ridges colored pink or chocolate. Length, 1-1 '5 inches. 



Zanzibar, Japan, Australia to Vili Islands. 



Sometimes the surface color is almost entirely yellowish 

 brown, chestnut or chocolate. 



The synonyms are S. Jfammeus (Link), Morch, S. mutabilis, 



