MAEGINELLA.— Plate I. 



Species 1. (Fig. a, b, c, Mus. Taylor; Pig. d, Mus. 

 Cuming.) 



Mauginella glabella. Mai-g. testa ovato-turbinald, 

 subtrigond, earned vel Uvido-purpurascetite, obscure 

 bifasciatd, albo-Jioccatd, ad siiinras Jiammulatd, spird 

 conico-exsertd, anfraetibua smperne declivi-gibbosis, la- 

 bro calloso-reflexo, sape auruntio, aperturd subpatidd, 

 cohimelld quadripUcatd. 



The glossy Makginella. Shell ovately turbinated, 

 somewhat triangular, flesh-coloured or livid-puvple, 

 obscurely two-banded, flaked with white, flamed at 

 the sutures, spire conically exserted, whorls slopingly 

 gibbous round the upper part, lip callously reflected, 

 often tinged with orange, aperture rather i»ide-open, 

 columella four-plaited. 



Fuluta glabella, Linnaeus, Syst. Nat. p. 1189. 

 Margbiella glabella, Lamarck. 



Hab. Senegal, AYest Africa. 



This species, in its finest state, is of a rich livid-purple 

 colour, enamelled with orange. 



Species 3. (Fig. a, Mus. Cuming ; Fjg. b, Mus. Taylor.) 



Makginella bullata. Marg. testd cylindraceo-ovald, 

 siibpi/riformi, fidvescenie-npadiced, aurantio - tinctd, 

 spird immersd, anfractibus superne contractis, deinde 

 gibbosiusculis, versus basin attenuatis, labro crasse re- 

 Jlexo, intus obsolete crenulafo, aperturd curvatd, colu- 

 melld quadripUcatd. 



The bubble-shaped Makginella. Shell cylindi'ically 

 ovate, somewhat pear-shaped, fulvous-drab, stained 

 with orange, spire immersed, whorls contracted at the 

 upper part, then rather gibbous, attenuated towards 

 the base, lip thickly reflected, obsoletely crenulated 

 within, aperture curved, cohuuella four-plaited. 



Foluta bullata. Born, JIus. Vindob. p. 318. 

 Marginella bullata, Deshayes. 

 Marginella Bellangeri, Kiener. 



Hab. Brazil. 



■ Lamarck curiously confounded this remarkable species 

 with the little M. angustata from the same locality. After 

 describing the small species, and giving its dimensions as 

 ten lines, he adds, " but it appears that it becomes very 

 much larger." 



