PHOTINULA. 



281 



TJnfigured and undetermined Photmula. 



Photina nigra a. Adams. Shell depressed-conical, imperforate, 

 solid, black, smooth; whorl subrotund, transversely sulcate; longitu- 

 dinally obliquely substriate ; last whorl subangulate ; umbilical 

 region impressed, covered by a wdiite callous. 



(^d. inP. Z. S. 1851,p. 192.) 



Habitat unknown. 



Photina fusca A. Adams. Shell oblique, subcorneal, shining, 

 variegated with brown ; whorls a little convex, transversely sulcate, 

 the last subangulate ; aperture subrotund, inside green iridescent. 



{Ad. in P. Z. S. 1851, p. 192.) 



Habitat unknown. 



Photina sandwichiana A. Adams. Shell orbicular-conic, im- 

 perforate, smooth, whitish, maculated with green and brown ; whorls 

 rounded, the last subangular ; apex rosy ; aperture open, orbicular, 

 green and j^early inside; labium white; umbilicus covered by a 

 white callous. (Ad. in P. Z. S. 1851, p. 192.) 



Mataineka, Sandtvich Is. 



This is not the Margarita sand^oichiana Ad. of Sowerby, Jr. 

 .(Reeve's Conch. Icon., f. 8), for that species is umbilicated. 



Photinula QUiESiTA A. Adams. Shell orbiculate-conic, spire a 

 little elevated, umbilical region deeply impressed, umbilicus covered 

 by a white callous ; fleshy- red dish, at the sutures radiately clouded 

 with chestnut, the periphery ornamented with oblique white and 

 chestnut spots; whorls 5j, convex, transversely lirate, the upper 

 lirte beaded, lower ones simple ; last whorl rounded-angular at the 

 periphery ; aperture subcircular, sulcate and vividly iridescent in- 

 side. Alt. 14. diam. 18 mill. 



Aniwa Bay, Tatiyama, Kino-0-Sima, Jajian 17 fms. 



Ann. & Mag. K H. 1864, vol. xiii, p. 140. 

 A doubtful member of this group. 



Photinula viaginalis Rochebrune et Mabille. 



Shell imperforate, depressed orbiculate, rather thick, solid, sub- 

 opaque, destitute of cuticle or color, decussated by slightly con- 

 spicuous strii3e and slightly prominent liree ; spire minute, a little 

 convex, scarcely prominent ; apex minute, obtuse, submamillated ; 

 whorls bh, plane at the sutures, then a little convex, irregularly 

 (the first rapidly, following very rapidly) increasing, separated by 



