VOLUTA, 543 



Shell most commonly about two inches long, and one third as 

 broad ; white, with ferruginous transverse bands and spots, 

 and rough with elevated, reticulated, crenated striae. The 

 transverse bands are sometimes interrupted by irregular lon- 

 gitudinal streaks of white, and the inside is brownish yellow. 

 Martyn's Mitra sphcerulata may probably be nothing more 

 than a very perfect and fine specimen of this species. 



exasperata. 100. Shell emarginate, with longi- 

 tudinal ribs, and decussated granulous striae ; 

 pillar five-plaited ; outer lip crenulated. 



Voluta exasperata. Chemnitz, x. p. 172. t. 151. f. 1440 

 and 1441. Gmelin, p. 3453. 



Inhabits the East Indian Ocean. Chemnitz. 



Shell about an inch long, and nearly half as broad, pale brown, 

 with darker brown bands ; the whirls are somewhat angulat- 

 ed transversely near their apices, and the throat is striated. 



costata. 101. Shell fusiform, elongated, with 

 rounded longitudinal ribs, and fine transverse 

 striae; pillar four-plaited. 



Voluta costata. Gmelin, p. 3458. Schreibers Conch, i. 

 p. 108. 



Voluta, No. 230. Schroeter Einl. i. p. 302. t. 1. f. 17. 



Mitra subulata. Lamarck Ann. du Mas. xvii. p. 211. 



Inhabits 



Shell about an inch and a quarter long, and one fourth as 



broad ; of a whitish flesh-colour clouded with pale brownish 



yellow, and one of the transverse striae under each suture is 



larger than the others. 



granosa. 102. Shell emarginate, longitudinally 

 grooved and transversely striated with elevat- 

 ed dots ; pillar three-plaited. 



Voluta granosa. Chemnitz, x. p. 173. t. 151. f. 1442 and 

 1443. Gmelin, p. 3453. 

 Inhabits the East Indian Ocean. Chemnitz. 

 Shell an inch and a half long, and one third as broad ; whitish, 



or very pale brown, marked with reticulated reddish lines, 



and the base and summit are black. 



