CLATHURELLA. 297 



C. RUGOSA, Mighels. PI. 19, fig. 57. 



Outer lip thickened, toothed, sinus large and rather deep ; 

 whitish, with a chestnut band at the suture, obscurely indicated 

 on the middle of the body-whorl. Length, 6'5 mill. 



Sandwich Inlands (Mighels and Pease) ; Upolu (Bunker, 



Garrett) ; Ceylon, Mauritius, Bourbon (Nevill). 



Var. CURCULIO, Nevill. 



Ribs twelve, with four revolving keels on the whorls, of which 

 the two middle ones are more prominent and spirally striated ; 

 two brown lines on the body-whorl, showing within the aperture. 



Length, 8 mill. 

 Var. FALLAX, Nevill. 



Ribs nine, the transverse keels less unequal in size, only one 

 brown line on the last whorl and within the aperture. 



Length, 4-5 mill. 



According to Mr. Garrett the unfigured Cl. solidula and C. 

 cincta, Dunker, are synonyms of rugosa. 



C. FORMOSA, Jeffreys. PI. 33, fig. Cl. 



Sculpture variable, the longitudinal varying from strise to ribs, 

 sometimes nodulous ; suture deep, with a sloping infrasutural 

 groove ; sinus remarkably deep and broad ; thin, opaque, dark- 

 colored. Length, 12'5 mill. 



Europe, North Atlantic ; deep sea. 



C. TESSELLATA, Hinds. PL 15, fig. 24. 



Whorls granular, decussated with longitudinal and spiral lines; 

 painted with brown somewhat square spots. Length, 6 mill. 



Straits of Macassar, coarse sand at 10 fms. (Hinds). 



C. LEMNISCATA, Nevill. PI. 15, fig. 28. 



White, with a brown band just below the sutures, and a second 

 one below the middle of the body-whorl. Length, 6'5 mill. 



Ceylon, Mauritius. 

 C. MALLETI, Recluz. PL 20, figs. 100, 96. 



Rose-red with a median white band ; inner margin of aperture 

 with 5-6 closely set teeth. Length, 4 mill. 



Samoa and Viti Islands ( Garrett) ; 



Andaman Is. (Nevill). 

 C. pinguis, Garrett (fig. 96), is a synonym. 



