DESCRIPTION. 149 



usually very broad and deeply perforated, but in 

 this variety nearly closed, leaving but a very small 

 hole visible; columellar lip white and polished. 

 Inhabits India and China. 



Fig. 7. B. reticulatum. 



Shell ovate, transversely striate, and longitudi- 

 nally ribbed ; aperture toothed. 



Lister Conch, tab. 966. fig, 21. 



Specimen brownish white inclining to cinereous, 

 with a dark reddish brown line round the upper 

 part of the whorls ; lips polished, white. 



Inhabits the Mediterranean, English, and ,^thi- 

 opic seas. 



Fig. 8. B. strigilatum. 



Shell tapering ; whorls bifid, obliquely striate. 



Lister Conch, tab. 845. fig. 73. 



Specimen dirty white, with pale reddish brown 

 irregular marks; longitudinal striae composed of 

 fine impressed dots. 



Inhabits Asia. 



