118 STROMBUS. 



S. SIBBALDI, Sowb. PL 6, figs. 63, 64. 



Whorls angulated, spirally grooved, angle nodulous, concave 

 above Jt, body-whorl swollen, lips of aperture ridged; zigzagged 

 with orange-brown over a yellowish surface and lighter bands, 

 aperture white, the columellar lip partially stained deep chest- 

 nut. Length, 1-5 inches. 



Indian Ocean. 



S. deformis, Kiener (in part) and Duclos (fig. 64), to which 

 Tapparone-Canefri has given the name of S. Kieneri, is a 

 synonym. 



Section V. CANARIUM, Schum., 1817. 



S. URCEUS, Linn. PI. 6, figs. 65-67. 



Shell smooth, with tuberculated shoulder-angle, narrowly 

 spirally grooved at the base ; whitish or yellowish, banded and 

 speckled with chestnut, often tinged with chocolate at the base ; 

 interior of outer lip (and often the upper part of the callous 

 narrow inner lip) radiately ridged ; lip, aperture and columella 

 deep orange-brown, or chestnut, or more usually deep chocolate 

 or black. Length, l*75-2'5 inches. 



Indian Ocean, Philippines, Australia. 



This i S. ustulatum, Schum., S. incisus. Wood, S. anatellus, 

 Duclos (fig. 67). 



S. DENTATUS, Linn. PI. 6, figs. 68-70 ; PI. 7, figs. 67-72. 



Whorls strongly plicate, the plicae usually becoming obsolete 

 about the middle of the body-whorl, forming tubercles where 

 they cross the angle of the shoulder ; closely spirally striate, 

 but the striae usually obsolete about the middle of the body- 

 whorl ; columellar lip narrowly callous and with the interior of 

 the outer lip radiately ridged; whitish to }^ellowish brown, 

 generally speckled and banded with gray, light olive, orange or 

 chestnut; columellar lip and interior orange-brown to purple- 

 chocolate. Length, 1-5 inches. 



Red Sea to Philippines, 



New Caledonia Viti Islands, Mauritius. 



The sculpture, like the coloring varies; sometimes the body 

 whorl is smooth below the strong shoulder-tubercles, sometimes 

 theae are not so strong, and continue below as flexuous plica- 



