66 Zoological Society, 



but with much less thickness, over the arch of the channel, and with 

 the first or anterior plait ; channel broad and deep, obtuse. 

 Long, 3^o_ of ^^ ij^pij . y^{^Q^ _3^ Qf ^^ ij^ch. 



Hah. ? 



Cab. Cuming. 



The only specimen I have seen of this peculiar species is not in fine 

 condition ; when so, it must be very beautiful. It differs from Mar- 

 ginella Faba, Linn., in the evenness of the shoulders of the whorls, 

 its less attenuated form, and the linear markings of the margin, &c. 



Marginella pulcherrima. Marg. testa oviformi,fulvescentey 

 fasciis albis quinque, angustis, transversis, maculis linearibus 

 nigris, in centros fasciarum conspicuis ; hit erstitiis fascia primd 

 ad secundam fasciarn, tertimpie ad quartam, lineis plurimis 

 tenuissimis fulvescentibus longitudinalibus notatis ; aperturd 

 alba, latiusculd ; columella quinque-plicatd \ labia tenia; apice 

 distincto. 

 Shell oviform, shining, of a light fawn colour, with five transverse, 

 distinct, narrow, even, uninterrupted white bands surrounding the 

 shell, from the edge of the lip, the two anterior terminating at the 

 columellar edge of the aperture, the others proceeding inwards over 

 the columella ; the posterior is always the least distinct (conspicuous) : 

 floating, as it were, in the centre of these white bands, are very dark- 

 brown or black, equidistant, linear markings or streaks, and similar 

 markings in colour and form radiate obliquely on the slight ridge 

 which encircles the spire : the spaces of the shell between the an- 

 terior band and the second, and between the third and the fourth, 

 are occupied by numerous, fine, longitudinal and parallel light-brown 

 lines, the other spaces between the bands are irregularly marked vsdth 

 the same colouring, varying in individual specimens, in intensity of 

 coloration, especially in the middle space (that between the third and 

 the fourth bands) ; base round ; aperture white, rather wide, flexuous 

 posteriorly ; five plaits on the columella ; the three anterior project ; 

 the first is continuous with the inner side of the channel, the second 

 takes a similar direction behind it, passing obliquely over the base of 

 the shell, and next this is a white varix following outside the aperture 

 a similar direction, on which are four or five dark-brown spots ; lip 

 thin, no margin ; apex perceptible. 



Long, Y^^ of an inch ; wide, 3^ of an inch. 

 Hah. West Indies. 



Cab. British Museum, Metcalfe, Gaskoin, &c. 

 Differs from the Valuta catenata of Montagu* {Marginella of 

 others) in having but four distinct, and one rather obscure, bands ; in 

 these being uninterrupted, and the linear markings floating in their 

 centres, and not linking interrupted or disjointed portions of the bands, 

 as in M. catenata ; in the dark colour, and the more oviform shape. 

 I have hitherto found this species among parcels of Marginella sagit- 

 tata of Hinds. 



* Which I believe to be a West Indian production only, and not as Montagu 

 was led to suppose, a British species. I have found the Marginella catenata fre- 

 quently among the small West Indian Marginellae, as have many others, and from 

 no other source did Montagu himself obtain it. 



