i;i r i MM. 



Closely allied t< . />'. ///ox/////, ( H.llld, of t he \\Y~t ( o;iM of North 

 America; it is also very nearly related to tin- next Bpeoiei. />' 

 iH.vuf/ifiiin, Soul), tij. !i I , i> a -vnoiiym, and II. <irrhnn, Ilomhr. et 

 .Iaci|. .described from a sii)L r le poor specimen, is probably 



identical ; it' so its name should have precedence. 



B. PLUMBEUM, Sowb. PL 30, %. 23. 



Scarcelv loii^itinlinally costatc, spirally striatc, whorls 10, some- 

 what convex, brownish or plum color. Length, 13 mill. 



Austral'"'. 



B. i..\< I:IM IM M, (Jould. PI. 30, fig. 100. 



\VhorU creiudated at the edge, with four spiral tuberculated ribs, 

 two upper ribs approximate, the others more distant, with an inter- 

 mit ial line, brownish. Length, 13 mill. 



Sydney, N. S. Wales. 



This has been considered a synonym of the next species, but I 

 think its relationship rather remote. 



Kiener. PL 30, fig. 98. 

 Longitudinally costulute, crossed and cut into numerous beads by 

 >piral sculpture, base of body whorl smooth or spirally striate, 

 reddish brown or chocolate color, sometimes the beads are chestnut 

 colored on a light ground. Length, 22 mill. 



So. Australia, Tasmania^ 



B. GLAKEOSUM, Gould. PL 30, fig. 19. 



Longitudinally plicate, crossed by four spiral rows of beads, 

 suture excavated, blackish brown. Length, 5 mill. 



Loochoo and Bonin 



\\. PARCUM, (iould. PL 30, fig. 20. 



Longitudinally roundly plaited, spirally ribbed, ribs tuberculated 

 on the plaits ; whorls few, slightly ventricose, the last rather fusi- 

 form ; \vllowi>h white. Length, 3 mill. 



Loochoo Is. 



B. PU8ILLUM, Gould. PL 31, fig. 2-"). 



I Ongitodinally about 1<) ribbed, crossed by tour lines on each 

 whorl, tbrminir granules, spiral sculpture more numerous on the 

 last wh..rl, extending to the base; whorls S, convex ; fulvous. 



Length, "> mill. 



