DOLIUM. 



Species 3. (Fig. a and h, Mus. Cuming.) 



DoLiUM riMBRiATUM. Dol. testd globosd, vetitricosissinm, 

 vix umUUcatd, spiree suturis impresm, anfractibus 

 sex, compicue costatis, costis plus minusve numerosis, 

 quarum prcscipiiis quatmrdecim ad guindecim, cohi- 

 meltd contortd, labro externa fimbriato et dentato ; 

 fidvesceiite-albd, costis rufescente-fmco maculatis, aper- 

 ture fauce fused. 



The fimbriated Tun. Shell globose, veiy ventricose, 

 scm-cely umbilicated, sutures of the spire impressed, 

 whorls six in number, conspicuously ribbed, ribs more 

 or less numerous, the chief of which are about fourteen 

 in number, columella twisted, outer lip fimbriated 

 and toothed ; fulvous white, ribs spotted with red- 

 dish-brown, interior of the aperture brown. 



SowERBY, Genera of Shells, f. 2. 

 Le Minjac, Adanson. 

 Dolium tessellatum {pars), Enc. Meth. 

 An eadem vai-. ? 



DoUum marginatum, Philippi. 



Hah. Bay of Manila, Island of Luzon, Philippines; Cuming. 



M. Deshayes notices as a chai-acter by which to distin- 

 guish tliis from the following species, that it has about 

 fourteen ribs, whUst the B. maculatum has mostly nine. 

 I find this observation may be mainly relied on, for when 

 the ribs are really more numerous, as in the magnificent 

 specimen represented at Fig. 3 a, there are still from 

 fourteen to fifteen principal i-ibs, the rest being manifestly 

 inferior both in colour and development. The species is 

 further distinguished by the columella being abruptly 



twisted and by the outer lip becoming strongly fimbriated 

 on amving at maturity. 



M. Adanson named this shell after the jMinjac or 

 Muntjak, a spotted animal of the deer tribe, and M. 

 Deshayes proposes to use this for the specific title. I do 

 not, however, see how a common name of tliis kind can 

 be adopted with propriety in the Latin. 



Species 4. (Mus. Cuming.) 



Dolium maculatum. Dol. testd ovatd, vmtricosissimd, 

 vix umbilicatd, spird suturis subimpressis, anfractibm 

 sex, transversim costatis, costis ad novenu, distantibtu, 

 lira subobscurd iuterveniente, columelld subrectd, vix 

 contortd, labro externa simplici; camlescente-albd, 

 costis rvfescente-fusco maculatis, apertura: fauce fused. 



The spotted Tun. Shell ovate, vei-y ventricose, scarcely 

 umbdicated, sutm-es of the spire somewhat impressed, 

 whorls six in number, encircled by about nine distant 

 ribs having a somewhat obscure ridge running between 

 them, columella nearly straight, scarcely twisted, 

 outer lip simple; bluish-white, ribs spotted with 

 reddish-brown, interior of the aperture brown. 



Lamarck, Anim. sans vert. (Deshayes' edit.) vol. x. p. 140. 

 Bttccimmi dolium, Linnfeus. 

 Dolium tessellatum {pars), Enc. Meth. 



Hab. Eastern Seas. 



This is a shell of lighter growth than the preceding 



species, the ribs are less numerous and consequently 



more distant from each other, the columella is straighter, 



and the lip simple. 



December, 1848. 



