RISHOIA. 335 



aje some faint spiral threads ; whorls 7, flattened, the last with sub- 

 a^gular periphery ; aperture small, lip without varix. 

 Length, 2 mill. 



Off Culebra IsL, W. I.j 390 fms. 



K. PERNAMBUCENSIS, Watson. PI. 67, fig. 73. 



Im perforate, polished, white, with, 15-20 round, flexuous ribs, 

 and broad interspaces, with faint microscopic spiral markings; 

 whorls 5, flat, periphery not angulated ; lip varicose. 



Length, 2 mill. 



Off Pernambuco, Brazil; 350 fms. 



R. AURITA, Monts. PL 65, fig. 17. 



Close to R. semistriata, Mtg., but has more convex whorls, and 

 narrow sulci. Length, 2 mill. 



A Igiers. 



The author has only given distinctive characters for his species, 

 and having no specimen, I cannot describe it. 



R. DOLIOLUM, Phil. PI. 65, fig. 19. 



Pupiform, solid, whitish, or yellowish ; with 14-16, flattened, ir- 

 regular, close ribs, and undulated suture ; lip not protracted, nor 

 varicose. Length, 2'3 mill. 



Red Sea ; fossil in Sicily. 

 K. EUCHILA, Watson. PI. 63, fig. 72. 



Rather solid, vitreous, shining, subopalescent ; whorls 4-5, rap- 

 idly increasing, suture distinct ; with 20-30 flexuous rounded ribs, 

 about equalling the interspaces, vanishing below, spirally lirate ; 

 yellowish white, with two or three spiral series of chestnut spots. 



Length, 1'5 mill. 



Madeira. 



Described by Watson as R. Novarensis, preoccupied by Frauen- 

 feld. 

 R. TURRICULA, Jeffreys. PI. 65, fig. 18. 



Minutely rimate, thin, semipellucid, a little shining, whitish ; 

 whorls 4, tumid, rapidly increasing, with deep suture; with 20-25 

 -thin, distant, curved costae, and no spiral sculpture. 



Length, 1*2 mill. 



Atlantic Ocean (subfossil?) 

 K. IJRYCHIA, Verrill. PL 68, fig. W>. 



Minutely rimate, thick, brownish, with about 14 rather close 

 rounded ribs, fading on the lower part of the body whorl, and rather 



