MARGINELLA. 



Plate XXII. 



Species 115. (Mus. Cumina;.) 



M.iRGlNELLA SIMPLEX. Marg. testa ovatd, flavesceiite- 

 alhd, soUdiKscidii, i/itente, spird parvd, anfractihus su- 

 perni tuuiidiuscnUs, tahro incrassato, subflexuoso, colu- 

 mella quadriplicatd. 



The simple Margixeli.a. Shell ovate, yellowish- 

 while, rather solid, shinino;, spire small, whorls ra- 

 ther swollen round the upper part, lip thickened, 

 rather flexuous, eolumella four-plaited. 



Hab. Australia ; Strange. 



A small species of simple character, without markinj;'. 

 and with only a tinge of colour. 



Species 116. (Fig. a, b, !Mus. Cuming.) 



Maeginella attenuata. Marg. testa, conico-ovatd, 

 subfusiformi, peUucido-conicd, spird subexsertd, aii- 

 fractibus siiperne tumidiiisculis, versus basin attenuatis, 

 labro flexuoso^ columelld oblique quadrijilicatd. 



The attenuated Marginella. Shell conicaUy ovate, 

 somewhat fusiform, transparent horny, spire a little 

 exserted, whorls slightly swollen round the upper 

 part, attenuated towards the base, lip flexuous, colu- 

 mella obliquely four-plaited. 



Hab. Sydney, New South Wales ; Strange. 



Chiefly distinguished by its attenuated form. 



Species 117. (Mus. Cuming.) 



Marginell.a pyuullm. Marg. testa obtuse pyriformi, 

 solidd, flavesceute-albd, opacd, spird parvd, anfractibus 

 ad basin conslrictis, labro intus deiiticulato, columelld 

 quadriplicatd. 



The little pear Marginella. Shell obtusely pear- 

 shaped, solid, yellowish-white, opake, spii'e small, 

 whorls constricted at the base, lip denticulated with- 

 in, columella four-plaited. 



Hab. Island of St. Thomas, West Indies. 



Of a chanicleristic pear-shape of solid growth. 



Species 118. (Fig. a, b, Mus. Cuming.) 



Marginella electrum. Marg .tesld subtrigoiw-ovatd, fla- 

 vescente-fuscd, spird conico-exsertd, aiifraciibus superne 

 obtuse augulatis, delude iumidis, aperturd patuld, labro 

 late incrassato, columelld perobliqne quadriplicatd. 



The amber Marginella. Shell somewhat triangularly- 

 ovate, yellowish-brown, spire eonically exserted, 

 whorls obtusely angled round the upper part, then 

 swollen, aperture wide open, lip broacUy thickened, 

 columella very obliquely four-plaited. 



Hab. ■ ? 



A rb/w^f-shaped species, with a wide aperture and 

 broadly thickened lip. 



Species 119. (Fig. a, b, Mus. Cuming.) 



Marginella annulata. Marg. testd conico-ovatd, so- 

 Udiusculd,Jiacesceute-albd, uitente, lined fused superne 

 aunulatd, anfractibus superne gibboso-angulatis, labro 

 subflexuoso, columelld quadriplicatd. 



The kinged Marginella. Shell eonically ovate, rather 

 solid, yellowish-white, shining, ringed with a brown 

 line at tiie upper part, whorls gibbously angled 

 round the upper part, lip rather flexuous, columella 

 four-plaited. 



Hab. ? 



A well-deliued species, distinguished auioug other cha- 

 racters by a brown ring encircling the base of the spire. 



Species liO. (Mus Cuming.) 



Marginella dens. Marg. testd pynformi, soUdiusculd, 

 nilente-albd, spird immersd, anfractibus superni gibboso- 

 tuniidis inferue conslrictis, columelld calluso-tumidd, 

 minute quadriplicatd. 



The tooth Marginella. Shell pear-shaped, rather 

 solid, shiniug-white, spire immersed, whorls gib- 

 bously swollen at the upper part, constricted at the 

 lower, columella callously s.voUeu, minutely four- 

 plaited. 



Hab. Borneo. 



Jauuarv. 1S6.5. 



