GIBBULA. 229 



G. DANiELi Crosse. PI. 32, figs. 57, 58, 58a. 



Shell narrowly umbilicate, depressed conoidal, solid, lusterless, 

 "whitish, upper surface spirally banded with dark brown, apex 

 roseate, base light, clouded with brown ; spiral low-conoidal, apex 

 acute, sutures well impressed ; whorls 5, somewhat convex, s]>irally 

 coarsely ridged, the ridges not beaded, about 4 to 6 in number 

 above the periphery, more numerous on the base; the whole sur- 

 face closely, minutely, densely, spirally and radiately striate ; last 

 whorl slightly descending at aperture, rounded or subcarinate at 

 l^ei'iphery; aperture quite oblique, rounded-subquadrate ; outer lip 

 slightly crenulated, margined inside by a thin opaque white band, 

 silvery and showing folds in the nacre within ; columella oblique, 

 sinuous, a little thickened in the middle ; umbilicus deep, narrow, 

 bounded by a smooth rib. Alt. 5, diam. 6-62 mill. 



Neio Caledonia, Viti and Samoa Is. 



Clanculus danieli Crosse, Journ. de Conchyl. 1862, p. 407, t. 13, 

 f. 5. — Trochus danieli Fischer, Journ. de Conchyl. 1875, p. 49 ; 

 Coq. Yiv., p. 326, t. 102, f. 1. — Gibbula filosa Garrett, Proc. Cal. 

 Acad. Sci. iv, p. 201 (1872). 



Distinguished from other forms by the red apex, sculpture of fine 

 spiral stria over coarse lirse, which are not granose. Umbilicus 

 with growth-lines inside, bounded by a smooth rib. 



G. REEVEi Montrouzier. PI. 32, figs. 59, 60. 



Shell small, perforate, conoidal, rather solid, blackish-green or 

 olive-brown, marked at the sutures with pale spots, base obsoletely 

 articulated with wliite and brown ; whorls 5, convex, separated by 

 canaliculate sutures, obliquely finely striated, spirally cingulate, the 

 cinguli prominent, 6 to 7 on the penultimate whorl, the upper 

 ridge wider and subgranulose ; last whorl subangulate, slightly 

 convex beneath, and encircled by 7 concentric cinguli wider than 

 their finely decussated interstices ; aperture rhomboidal, sulcate 

 Avithin ; lip thickened, basal margin crenulated; columella oblique, 

 thick, granulose ; umbilicus profound. {Fischer.') 



Alt. 6, diam. 7 mill. 



Neto Caledonian Archijjelago. 



Trochus reevei Montr., Journ. de Conchyl. 1866, p. 141, t. 6, f. 8. 

 — Fischer, Journ. de Conchyl. 1875, p. 49; Coq. Viv., p. 327, t. 

 102, f. 2. 



