B U L ni u s 



Species l(i5. (Mas. Wliite.) 

 JiULiMUs Adamsoni. Bid. tnstdsuhfusifonni-ovatd,ventri- 

 rosa, spird acuminatd, pyramidali, anfractibus sex ad 

 septem, Icevibus vel oiliqiie temdsiriatis ; columelld sub- 

 rectd, aperturd paululum effusd, labro vix reflexo ; 

 violaceo-cinered, basin reniis snbofirnced, fmro Jiic. 

 ilfir sparsim liehnlnlii, ri/hi musjitriiti cirrnlraveiite- 

 (iUm,olh-aceo-miinC(n,te s„l,n;.inlr nrlirnliiln niniidatd ; 

 ritlii iilh-rd jiiiJIiJd obsciird supra, rohniwllu piirpiiyeb- 

 iihiriraiil,'. pi ntrfiiiate violaceo, inliis rariih'isci'iite-ulbo. 

 Adamson's PiLLnius. Shell somewhat fusiformly ovate, 

 ventricose, spire acuminated, pyramidal, whorls sLx 

 to seven in number, smooth or obliquely finely stri- 

 ated ; columella nearly straight, apertiu-e a little 

 cfi'used, lip scarcely retiected ; violet ash coloiu", olive- 

 tinted towards the base, sparingly clouded here and 

 tliere with brown ; encircled by a conspicuous blue- 

 white fillet, rather remotely articulated with olive- 

 black, there being another pale obscure fillet above, 

 columella purple-black, pcritrenie violet, bluish wliite 

 within. 

 llab. Base of the Purremo, near the volcano of Tolynia, 

 on the eastern slope of the Andes. 

 This magnificent species was purchased many years 

 since, with the above locality, by John Adamson, Esq., of 

 Newcastle-on-Tyne, and no other specimen has since been 

 heard of. The coOection of that gentleman having been 

 recently dispersed, it has fallen into the possession of 

 another eminent amateur conchologist, Henry Hopley 

 White, Esq., through whose kindness and liberality I am 

 enabled to publish it after a long period of obscimty. 



It is of an elegant pyramidally fusiform growth, rather 

 ventricose and a bttle ctt'used towards the base, of a rich 

 olivaceous violet colour, distinguisiied by a conspicuous 

 white belt remotely articulated with piiv[)li'-black, and the 

 pcritreme of the aperture is of a rich vinlct. 



Species 16(5. (Mus. Dennison.) 



Bl'LIMUS Dennisoni. Bui. testa aciimi/utto-matd, veil- 

 tricosd, anfractibus quinque ad sex, snperne subconcavo- 

 depressd, siiperficie striis rugosis midique siiblilissiiiw 



(tecufsatd, aiijruclu uLtinw perainplu, injlatu, cvtiiuielld 

 subrectd, aperturd oblomjd, lairo vix reflexo ; supra 

 ceeruleo-alhicante, niyricante-viridi variegatd et punc- 

 tata, infra liilrn-nlirdmi, puiivli^ sirigisqiir hrevibus 

 undatis iiii/ri<'ii,ili--nriililiii.s, tiile 



natis, pidchfrrirM picl 



liitcrc illimd- 

 iilatii, quanmt 



irferiori subobscnrd, peritremate fasco, iiitus caruleo- 

 albicante. 



Dennison's Bulimus. ShcU aeuminately ovate, ventri- 

 cose, whorls five to six in nmnber, slightly concavely 

 depressed round the upper part, the entire surface 

 being very finely decussated with rough strioe, re- 

 ticulated, last whorl very large, inflated; columella 

 nearly straight, apcrtiu-e oblong, lip scarcely reflected ; 

 bluish white above, variegated and dotted with 

 blackish gi-een, beneath yellomsh olive, very beau- 

 tifully painted with dots and short-waved streaks of 

 blackish green, illuminated along one side with 

 yellow, and encircled by two whitish zones of which 

 the lower is somewhat obsciu'e, pcritreme brown, in- 

 terior bluish white. 



Hab. ? 



Another fine species, from probably the same fertile 

 region, of which, I believe, only two specimens arc known ; 

 one, here figured, in the collection of J. Dennison, Esq. ; 

 the other, very much worn and discoloured, in the British 

 Museum. It approximates closely to the preceding species 

 in general appearance, but differs materially in its details. 

 In the B. Jdamsoid the whorls form a nearly straight 

 pyramidal cone, in the B. Dennisoni they are more ventri- 

 cose and less pyramidally disposed, whilst the last is 

 proportionably larger, more oblong, and more inflated. 

 The texture of the two shells is dissimilar ; the former is 

 smooth or obliquely striated and appears to have a thin 

 horny stratum of semi-transparent epidermis, the latter is 

 finely decussated with rough uneven striae in a manner 

 which is rarely if ever observed beneath a horny epidermis. 

 The difterence of colouring is best described in the accom- 

 panying di-awings ; they are two elegantly painted shells 

 and, as species quite uuapproached by any hitherto de- 

 scribed, constitute a most interesting and valuable addition 

 to the genus. 



