CASSIDARIA.— Plate 



basin versus pracipue attenuald, vix recurvd, tram- 

 versim creberritnc elevato-striatd, striis longitudinaliius 

 incisis versus apicem decussalis, spira suturu excavatis, 

 labru incrassatis, inius foriiier crenato-liratis, parum 

 effusis ; alba, interdum fulvescente, supra columellani 

 pallide fulvescente areoMd. 

 "he striated Cassidaria. Shell somewhat pyriformly 

 ovate, particularly attenuated towards the base, 

 scarcely recurved, transversely very closely elevately 

 striated, decussated towards the apex with longitu- 



dinal engraved striaj, sutures of the spii-e excavated, 

 lips thickened, strongly crenately ridged within, but 

 little effused: white, sometimes brownish, marked 

 with faint brownish squares above the columella, 



Lamaeck, Anim. sans vert. (Deshayes' edit.) vol. x. p. 10. 



Hab. ? 



An extremely rare shell, concerning tiie habitat of 

 which I am unable to procure any information. 



