140 



pillar lip rounded, but the pillar not visible to the end. 

 Rare. 



B. CRANCHII. E. p. 292. Subcylindrical, trans- 

 lucent, horn-colored, the strong spiral striae in bands, 

 slightly waved by indistinct lines of growth ; aperture 

 narrow, rendering the continuation of the pillar less in- 

 visible ; the latter is straight, a little reflected, forming 

 a pillar cavity and is slightly waved where it joins the 

 outer scarcely projecting lip ; apex concave, without 

 visible whorls. 0,60... 0,40. Plymouth Sound. 



B. STRIATA. Brug. Lam. 3. List. t. 714./. 72. 

 B. AMTGDALUS. D.p. 480. B. AMPULLA. Mont., p. 

 206. t. 7.f. \.-Mart.f. 202,4. ^.293. Oblong- 

 oval, smooth, glossy, opaque whitish mottled and veined 

 with light chesnut ; no external volution but in its place 

 an umbilicus ; on the lower end of the pillar lip the 

 shell is thickened and of an opaque white, but this does 

 not extend up the shell ; columella not visible to the 

 end. f. Ealmouth, in sand, rare. 



B. ZONATA. Turton in Mag. Nat. H. 7. p. 352. 

 Oval, solid, opaque, with regular, rather broad alternate 

 zones of white and fulvous or pale rufous brown, and 

 transverse lines of very minute raised dots ; apex 



