DAPHNELLA. 311 



of fine rounded grooves, about'fifteen on the body-whorl, sepa- 

 rating evenly rounded ridges about twice as broad as the grooves; 

 these are crossed by about twelve longitudinal rounded ribs, 

 obsolete anteriorly. Length, '46 inch. 



Sitka, Alaska. 



Described from a single specimen and referred to Mangilia 

 with doubt. Not figured. 



D. POLITA, Hinds. PI. 20, fig. 97. 



White, polished, angularly ribbed, seven-sided, lip simple, 

 sinus small. Length, 16 mill. 



Straits of Macassar, coarse sand, 7 fms. (Hinds). 



D. FULGURANS, Krauss. PL 22, fig. 59. 



With about eleven narrow longitudinal ribs, short on the body- 

 whorl, with revolving striss towards the base ; sinus scarcely 

 apparent; white, with angular chestnut markings. Length, 6 mill. 

 Cape of Good Hope ; in the byssus of Pinna. 



D. ^RUGINOSA, Reeve. PI. 23, fig. 100. 



Longitudinally ribbed, the interstices with very minute spiral 

 striae ; yellowish white, with a sutural chestnut line, more or less 

 interrupted, a middle line on the body-whorl, interrupted by the 

 ribs, below which the whorl is often stained a darker color, and 

 sometimes an inferior interrupted chestnut line. Length, 10 mill. 

 Hob. unknown (Reeve) ; Indian Ocean ? 



D. PESSULATA, Reeve. PI. 21, figs. 36, 37. 



Ribs more or less distant, crossed by somewhat obsolete spiral 

 stride ; lip thin, sinus small ; yellowish or ash-color. 



Length, 12-15 mill. 



Philippines (Cuming) ; Australia (Brazier). 



D. VINCENTINA, Crosse. PL 17, fig. 91. 



Ribs narrow, distant, crossed by distant spiral lirae, which 

 become more crowded towards the base ; sinus shallow ; light 

 yellowish brown. Length, 7 mill. 



Gulf of St. Vincent, Australia. 



D. JACKSONENSIS, Angas. PL 22, fig. 73. 



With somewhat prominent longitudinal ribs, slightly nodulous 

 at the angle of the shoulder, the interstices crossed by narrow 



