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 Mihi- 

 opic Seas. 



Fig. 8. B. strigilatnm. 



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. 



