298 MELVILL AND STANDEN: SHELLS FROM LIFU. 
costas contingentibus, ultimo anfractu superné juxta suturas 
rotundo-angulato, anticé attenuato, costis rectis, apertura 
angusta, labro simplice, intus striato, columella quadrt- 
plicata, plica superiore magna. 
Long., 19, Lat, 6 mill. 
A critical species, which we have known for a long time, 
but never been able to diagnose with certainty. Its nearest 
affinities lie with JZ. angulosa Kiister, a much more attenuate 
species, larger in all its parts; JZ. Antonelli Dohrn, differing in 
colour and the clear shining ribs, not covered by the spiral 
liration ; JZ. fustformis Kien. more closely ribbed and sharply 
angled, with different coloration ; JZ salmonea Dohrn, 
perhaps the nearest approach, but differing in colour and tex- 
ture; and JZ. compta Reeve, but this last is not so easily com- 
parable. It isa pretty shell, as are all the Costellarie, palest 
ochre in hue, turreted, whorls eight, ventricose, angled below the 
suture and with straight longitudinal ribs crossed with frequent 
lire. Mouth thick within, lip simple. A very few specimens. 
There is an individual in J.C.M.’s collection from Mauritius. 
Bittium. zolomitres sp. nov. (Il. X., fig. 46). 
B. testa minutissima, cylindracea, pupeformi, compacta, 
anfractibus octo, duobus apicalibus, ceteris bino gemmarum 
ordine spiraliter accinctis, in penultimo et antepenultimo 
anfractu gemmults permagnis, nitidissimis, ultimo anfractu 
tribus similibus ordinibus decorato, apertura trigona, peris- 
tomate tenut, canalt brevt. 
LONE 22 EAL. M2 HL, 
A very small species. Pupiform, with eight whorls, adorned 
with two rows of papilliform gemme, those in the two whorls 
before the last being the largest, the last whorl having three 
rows of gemmules. The coloration is vivid. Apical whorls 
fulvous brown, the two next ochreous, then a darker brown hue, 
the penultimate being slightly lighter, the last whorl pale 
ochreous above, towards the base darker brown. (dvoAopizpys, 
with glancing or glittering girdles.) 
J.C., viii., Oct. 1896. 
