BART.EKIA-FAIRBANKIA. 393 



B. suBTENUis, Carpenter. PI. 60, fig. 73. 



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

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



Southern Calijoriiia to Mazatlan. 

 Var. KIM ATA, Carp. 



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

 ous. 



]i. iiALiOTTPHiLA, Carp. PL GO, fig. 74. 



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

 with distinct suture, body whorl obsolctely angulatod; lip thin. 



Length, 2*5 mill. 



Lower California (on Haliotis). 



B. IMBRTCATA, Watsou. PI. 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 Isla)tds, N. E. Australia. 



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



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

 aperture round. Length, r75 mill. 



Stewart Isl., New Zealand, 



E. iMPOLiTA, R. NANA, Hutton. (Unfigurcd). New Zealand. 



Genus FAIRBANKIA, Blanf. 1868. 



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



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

 ceous epidermis, the incremental striaj 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. (inifigured). 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 costre, the interstices closely vertically costulate ; 



