BARLEEIA-FAIRBANKIA. 



B. SUBTENUIS, Carpenter. PL 60, fig. 73. 



Thin, subpellucid, corneous-chestnut ; with 4 normal whorls, flatly 

 convex, with distinct suture ; lip acute. Length, 2*8 mill. 



Southern Calijornia to Mazatlan. 

 Var. RIMATA, Carp. 



A little more tumid, whorls less flattened, umbilical slit conspicu- 

 ous. 



B. HALIOTIPHILA, Carp. PL 60, fig. 74. 



Smooth, thin, chestnut colored ; normal whorls 5, subplanate, 

 with distinct suture, body whorl obsoletely angulated; lip thin. 



Length, 2'5 mill. 



Lower California (on Haliotis). 



B. IMBRICATA, Watson. PL 60, fig. 75. 



Brownish-yellow to white, with incremental striae above, base 

 spirally striate ; whorls 8, flat, a little angulated above and below 

 the impressed suture ; lip sharp, thin. Length, 2*75 mill. 



Sandwich and Fiji Islands, N. E. Australia. 



B. ROSEA, Hutton. PL 71, fig. 6. 



Whorls 4, flatly convex, smooth, polished, bright pink or white ; 

 aperture round. Length, 1*75 mill. 



Stewart IsL, New Zealand, 



R. IMPOLITA, R. NAN A, Hutton. (Unfigured). New Zealand. 



Genus FAIRBANKIA, Blanf. 1868. 

 F. BOMBAYANA, Blanf. PL 60, fig. 63. 



Imperforate, somewhat Folid, whitish, under a brownish oliva- 

 ceous epidermis, the incremental striae crossed by spiral rather dis- 

 tant lines ; whorls 7, slightly convex, suture impressed ; lip a little 

 expanded, with strong external varix. Length, 7 mill. 



Bombay. 



F. FEDDENIANA, Nevill. (unfigured). Kathiawar, India. 



Genus IRAVADIA, Blanf. 1867. 



I. ORNATA, Blanf. PL 60, fig. 66. 



Imperforate, solid, whitish under a brownish or olivaceous epi- 

 dermis, with spiral costa3, the interstices closely vertically costulate ; 



