i;i MM M. 



V:ir. 9C M'.I: \. < >livi. 



|);ii-k ln>\vn, granulations rounded, reL r ular, thff >fl M 



whorl i var. /-W/M, liniLMmn,- . 

 V:ir. I. \ n;i ii i 1:1, I'ayr. l-Mir. ' S() - 



Srulpturc liner, liirht In-own, tin- .irranulations dark brown, 



variooae. 



\*:ir. niriri/iitii, Mont-., i- a synonym. 

 Var. I'Ai.ilx.sA. P. D. I). Fiir. SI. 



Whorls convex, longitudinal sculpture more prominent. Brackish 

 water. II. ////-/////ox//. Moiits., probably belongs here. 

 Var. JADKKTAM M. lirnsina. Fi.L'. 82. 



Smaller, mon- lanceolate, whorls a little more convex. 



Var. minor, Phil. this form. 

 Var. KXK.IA. Moiits. Fig. 83. 



Much elongated, whorls subcarinated in the middle, aperture very 

 small. 

 Var. uii-'Asi [ATor, B. D. D. 



Spiral sculpture scarcely visible, appearing as though only longi- 

 tudinallv costate, light yellowish, with two chestnut bands. 



Probably var. .S'//rr/v//x/x, Issel, from the Red Sea, does not differ 

 materially. 

 Var. LACTKSCKNS, Jeffreys. 



rnitbrm whitish. = B. alltlim, Monts. 

 H. A.MBLYTERUM, Watson. PL 30, ngs. 93, 95, 99. 



\\'ith close, rounded longitudinal ribs terminating in a >piral 

 row of tubercles at the top and another at the bottom of each whorl, 

 base of body-whorl smooth, translucent white. Length, 6'") mill. 

 Bay ofBiwuj to X. IT. Afrn-u, 681 to 1261 fms.; Azon:, 4-")() fins.; 



Pernambuco, Itniz!/, <>7") fms. 



Watson thinks it probable' that < ' rlf/i if //</ II 7/ it>,i /v >//'. Verrill, 

 will turn out to be the same sjxicies ; B. gracile, Ji-flh-ys i Ii-. '.' 

 a synonym ; Ii. in<nn /////// nni, Watson i ti-. *> ( . '. described from a 



single sjiecinu-n, afterwards broken, from Pernambuco, i> apparently 



another. 



1',. AiuniTi M. Watson. PI. :,(), ii-. ( .7. 



Longitudinal ribs about a do/en, low and narrow, divided by Hat 

 broader furrows, crossed by four spiral threads, for mini: prominent 

 tuliercles, base of body whorl smooth ; translucent white. 



Length, 6 mill. 



/. Awret; i:.n-.")0i) fins. 



