L I V A . 



Plate XXIV. 



Species 67. (Fig. a, Mus. Stecre ; Fig. b, 

 Jlus. Cumii.g.) 



()L1V.\ LEIICOZOXIAS. fMic. li >ilv ,ini uihinto-tihlouijfi , spird 

 aciiti exsertd, columfllii i,inUipli<'utd. jilicis \iilitilii'>iis, 

 ruiiferlk ; auraHtio-hil,'d. :ni,is niiyiid'h'i disluntihiia 

 (illm riiHjuhdd, nigro promisciti: kidiginosd i4 piuictutd, 

 colHiiii-Ud id apvrlurce fauce alhis. 



I'HE WHITE-ZONED Olive. Shell acuininately oblong, 

 spire sliai-ply e.xserted, columella many-plaited, plaits 

 fine, close-set ; orange-yellow, encircled with two dis- 

 tant narrow wliite zones, anil proiuiscnously freckled 

 and dotted with black, columella and interior of the 

 aperture white. 



(iR.iY, Zool. Beechcy's Voyage, p. 1:50. pi. 3(5. f. 24. 



Hal). Senegal. 



Distinguished by a very peculiar style of painting, 

 which consists of a uniform orange-yellow iiTcgularly 

 freckled and s])otted with black, and encircled by two 

 narrow white bands, one next the sutures, over which the 

 black apjjcars in larger freckles, and one a little above the 

 anterior or basal zone. 



Species 68. (Mus. Steere.) 



< )LI\ A lllEliOGLYPlUCA. Olic. Usld obhiigd, siipenii' lii- 

 iji'ulinscnld, spird miljiiriiiiiiiiiitd, p/icis coIiiiiK'llarihiiH 

 iiiiMcrosis, diMuclU .■ i-hnrurd. ,iiti:iiU', maridia /licnj- 

 gl^p///cisfuscesci')i/djiis /rixrriiit/M riiigiilatd. 



The niEiioGLYPiiic Olive. Shell oblnng, rather swollen 

 round the upjjer part, spire slightly acuminated, 

 coluuicUar plaits numerous, distinct ; ivory-white, 

 shining, encircled by three row, of pale lirowu hiero- 

 glyphic marks. 



.Vnip 

 uirkin 



its peculiarities of form and 



Species 69. (Fig. a, //, c, d, .Mus. Cuming.) 

 Oliva zenopira. Oliv. testa ovatd, crassd, pli/s mIuks 

 ol/esd, spird t/revi, columelld obsok'ti leiiuipHcald, sii- 

 l>t'nte i-akU callosd : I'bunird, liiieis subtilibiis midutis 



medio bifasciatim eingulatd, interdum griseo-fusces- 

 ce>//f, macidis pareis aid slrigis nigricaniibui, ceerideo- 

 nmbrutis, proiniscid; iiotntd, soud pallidi caxltnifd (id 

 basin, columelld albd, viacidd ampld castaned iiiterdmu 

 tiiictd. 

 The variable Olive. Shell ovate, thick, more or less 

 stout, spire short, columella obsoletely finely plaited, 

 very callous at the upper part; ivory-white, cn- 

 cu-cled round the middle with two bands of fivi- 

 zigzag hues, sometimes greyish-brown, promiscu- 

 ously marked with blue-shaded blackish streaks or 

 small spots, with a pale chestnut zone at the base, 

 columella white, sometimes stained with a large 

 chestnut blotch. 

 DrcLOs, Mon. Oliv. pi. 3. f. 11, l;i. 

 Hub. Madagascar. 



The colouring of this species is so exceedingly variable, 

 that it requires a collection of many specimens to under- 

 stand the relation that subsists between the extreme con- 

 ditions of if, represented in the accompanying plate. 



Species 70. (Fig. «, b, Jlus. Cuming; Fig. <; 

 Mus. Metcalfe.) 



Oliva c.erulea. Oliv. iesld acumiiudo-oblongd, spird 

 exsertd, coliaiwUd arcuatd, bad coidortd, plicis oIihu- 

 letis : idbidd, crfridm vivide tinctd, inierdnni fiiscu 

 sidjlitissiiiie piiiietatd, s/duris basique plus minus intense 

 custaneis, apicc nigricante, columelld et apertura' fauee 

 plerumque castaneo tinctd. 



The blue Olive. Shell acuminately oblong, spire ex- 

 serted, columella arched, twisted at the base, plaits 

 obsolete ; whitish, brightly stained with blue, some- 

 times very finely dotted with brown, base and sutures 

 more or less deeply stained with chestnut, apex 

 blackish, columella and interior of the apertun^ gene- 

 rally stained with chestnut. 



llcdi. Carthagena, Central America? 



An interesting small species, of mostly a bright blue 



jinrcelaiii character, sometimes, but rarely, finely dotted 



with brown, and encircled at the base with very dark 



chestnut. 



