2,6 EPIDROMTTS. 



"Allied to T. maculosiis, but thinner and cancellated." The 

 above is the original description, and the species has not been 

 figured nor recognized. Yery probably it is founded on a thin 

 specimen of T. maciclosui;. 



T. SowERBYi, Keeve. PI. 14, fig. 122. 



Shell encircled hy brown, excavated lines, in pairs. Orange- 

 brown, variegated with brown and ornamented witli two distant 

 rows of square l)rown spots. Leiigtli, 2*5 to 3 inches. 



0((lapaf/os Mrs, in sandy mud at six fathoms (Cuming) ; Bed Sea, 



(MacAndrew, Tapparone-Canefri) ; Isle of Fiutuce (Chemnitz). 



Said to live in the Red Sea at a less depth than T. maculofius ; 

 from 10 to 11 metres. 



T. CLATHRATUS, Sowb. Tl. 14, figs. 12.3, 124, 120. 



Whorls well-rounded, rapidly increasing, so as to form a stout, 



heavy shell, with small mouth and l)road lip-varix. Covered with 



strong, sharp-set longitudinal ribs which are fimbriated by the 



crossing of revolving lines. Yellowish wliite, mottled with 



orange-brown. Length, 1"5 inches. 



Indian Ocean. 



The coarse, prominent sculpture, rounded whorls, and stout 

 form distingiiisii tliis species. T. Gumingn., Dohrn (fig. 129), is 

 described from an unusually stout specimen. 



T. DiSTORTUs, Schubert & Wagner. PI. 14, figs. 125, 12G. 



Light 3'ellowish brown, clouded with chestnut, with frequently, 

 a median row of chestnut si)ots. Length, 1-25 to 2*5 inches. 



Indo-Pacifc Ocean. Polynesia. 



This species is readily distinguished by its curved spire, which 

 is caused by the single varices of each whorl occurring in a con- 

 tinuous oblique line. The animal is pale flesh-color with a fawn- 

 colored head, and tentacles annulated with fawn-color. J. 

 lorluoHUH^ Reeve (fig. 126), cannot be considered even a variety. 



T. OBScuRUs, Reeve. PI. 14, figs. 127, 128 ; PI. 10, fig. 157. 



Light brown, clouded with chestnut, with one or two revolving 

 series of chestnut spots. Length, 1-5 to ;2*25 inches. 



Indian Ocean ; Paumotns, West Indies, C(q^e Verd Is. 



