300 MELVILL AND STANDEN : SHELLS FROM LIFU. 



Four or five specimens of a very small Bittium, pale violet 

 in colour, one of them being a young shell, brownish in colora- 

 tion, and exhibiting five perfect apical whorls, bright white in 

 hue and extremely small and attenuated. The shell is tun- 

 shaped, much attenuate at both ends, the mouth is very small, 

 and the whorls are ornamented with three regular rows of 

 nodular gemmae, the interstices being plain. 



Cerithiopsis aurantiaca sp. nov. (PI. X., fig. 50). 



C. testa longa, attenuata, subpellucida, Icete aurantiaca, 

 anfractibus duodecim {apicalibus ?), apud suturas imprcssis 

 et crenellatis, spiraliter tricarinatis, ultimo quadn'carinato, 

 carinis pulchre crenellatis, longitudinaliter elevato-liratis, 

 liris recti's, interstitiis qitadratis, alveolatis, nitidis, apertura 

 ovato-quadrata, labro siniplice, basi nitida, plana ta. 

 Long., 4 mill, (approx.), Lat., 1*25 mill. 

 A very delicate, semi-transparent orange-coloured minute 

 form, long, attenuate, with angled whorls, crenulate, and impressed 

 at the sutures. In number the whorls are twelve (approxi- 

 mately speaking, for our specimens are not perfect at the apex). 

 Three carinas adorn the upper whorls, four the lowest one; quad- 

 rately interlaced with longitudinal lirae placed equi-distantly. 

 Mouth ovato-quadrate, lip simple, base flattened, shining. Three 

 specimens only. 



C. catenaria sp. nov. (PI. X., fig. 51). 



C. testa parva, fusiformi, uniformi, ochraceo-brunnea, an- 

 fractibus duodecim, quorum duobus apicalibus, vitrcis, cceteris 

 ventricosulis, apud suturas impressis, tribus regularibus gem- 

 mularum catenis spiraliter decoratis, et longitudinaliter 

 parviliratis, interstitiis alveolatis, simul ac ad suturas, aper- 

 tura subquadrata, labro siniplice, canali brevi. 

 Long., 6 - i5, Lat., 175 mill. 



An elegant little species, fusiform, ochraceous - brown, 

 with twelve whorls, two being apical, and glossy pale-brown, 

 the rest ventricose, impressed at the sutures, longitudinally 

 lirate, liras small and transversely crossed by three chains of 



J.C., viii., Oct., iSg6. 



