NASSA.— Plate XXIX. 



panded, arched, and rugose, outer lip simple, strongly 



ridged within. 

 Buccinum abbreviatum. Wood, Index Test. Bucc. No. 12. 



Chemnitz, Couch. Cab. pi. 153. f. 1464 and 1466. 



Desnioulea abbreviata. Gray. 

 Hub. Cape of Good Hope. 



This singular species partakes of the character of Cassis, 

 and is the most abnormal form of the genus. 



Species 195. (Mus. Cuming.) 



Nassa retusa. Nass. testa abbreviato-ovatd, transversim 

 minutissime striata, luteo-rubente ; spird brevi, turgidd, 

 apice retusa ; aperturd albd, infenii dilatatd, labro iu- 

 tus striata. 



The blunt Nassa. Shell abbreviately ovate, transversely 

 very minutely striated, yeUow-red ; spii-e short, swol- 

 len, blunt at the apex ; aperture white, dilated at the 

 upper part, lip striated within. 



Buccinum retusum, Lamarck, Anim. sans vert. (Deshayes' 

 edit.) vol. X. p. 168. 

 Nassa retusa, Deshayes. 

 .Desmoulea retusa. Gray. 



Rai. West Africa. 



The suture of this species is generally white, dotted 

 with red-brown, and the shell is encircled with two or 

 more very delicate narrow brown and white fiUets. 



Species 196. (Mus. Cuming.) 



Nassa pondeeosa. Nass. testa c/lobosd, solidd, iavi ; spird 

 obtusd, apice violaced ; anfractibus superne gibbosis, 

 albd, fulvo-rufescente variegatd, transversim striata; 

 columella callosd, tenue corrngatd, lajbro calloso-in- 

 crassato, intus lirato. 



The heavy Nassa. Shell globose, solid, smooth ; spire 

 obtuse, violet at the apex ; whorls gibbous at the 

 upper part, white, variegated with fulvous-red, trans- 

 versely striated; columella callous, finely wrinkled, 

 lip callously thickened, ridged within. 



Desmoulea crassa, A. Adams, Pro. Zool. Soc. March 1851. 



Hab. Japan. 



A very solid globose species, encircled with numerous 

 hair lines of red-brown, besides being stained and varie- 

 gated with the same colour. 



