180 SPECIFIC 



conformation is not to be found in spiral Patellae, 

 but precisely resembles that of Buccinum palulum, 

 from which the present species appears to be re- 

 moved but a single gradation in any one respect. 

 At any rate it answers the intended object, which 

 was to exemplify a doubtful shell, for the exercise 

 of the learner. 



Fig. 2. MuREX dentatus. 



Shell obovate, caudate ; whorls of the spire stri- 

 ate ; apex produced very smooth ; columella three- 

 plaited. 



Lister Conch, tab. 815. fig. 25. 



Specimen white with bands of small reddish 

 and ochraceous parallelogrammic spots ; whorls 

 transversely undulate, crowned ; apex cylindrical ; 

 three upper circumvolutions solid ; aperture white, 

 smooth. 



Inhabits Tranquebar and Ceylon. 



It is without any hesitation that this species is 

 transferred from Voluta to Murex. The outline of 

 the aperture is so absolutely characteristic of the 

 latter, that it neutralize the claim of the toothed 

 columella, which is not confined to the former. 

 The teeth are nearly horizontal, and not oblique 



