308 MELVILL AND STANDEN I SHELLS FROM LIFU. 



which the ribs are all more or less tubercled ; we fancy this 

 may be the more juvenile state of the species, (vj/o-twr^s an 

 islander). 



Rissoina (Phosinella) quasillus sp. nov. (PL XL, fig. 65). 



R. testa fusiformi, Candida, versus apicem attenuate!, an- 

 fractibus decern, quorum apicalibus duobus vitreis, Icevissimis, 

 cm ten's arete costulatis, cost is rectis, spiratiter lirarum ordini- 

 bus accinctis, /iris elevatis, ad juncturatn costularum gemmu- 

 latis, nitidis, apertura rotundo-lunari, labro extus paullulum 

 incrassato, intus simp/ice. 

 Long., 4*50, Lat., 2 mill. 



A very neat rough little white shell, clathrate, gemmuled at 

 the junction of the ribs with the spiral lirae, ten whorled, aper- 

 ture roundly-lunar, outer lip slightly thickened, simple within. 

 Allied to R. Deshayesi Schwartz, from the Philippines. Several 

 specimens. {Quasillus, a small work-basket, dim. of quoins'). 



R. sincera sp. nov. (PI. XL, fig. 66). 



R. testa pyramidato-fusiformi, Candida, sub-tun ita, anfracti- 

 bus octo (?) apud suturas impressis, tumidulis, s uperficia liter 

 longitudinaliter costulatis, cosiis rcmotis, si/nut ac liris 

 spiralibus intersectis, quadrato-clathratulis, interstitiis planis, 

 apertura effusa, labro crassiusculo, intus si/nplice. 

 Long., 6 "50, Lat., 2-50 mill. 



A shell of bold contour. White, probably eight whorled 

 (but only five remain on our specimens), whorls slightly ventri- 

 cose, longitudinally superficially costulate, spirally lirated ; three 

 rows on the two whorls before the last, on the last whorl there 

 are five rows ; the quadrate interstices are plain, non striate, lip 

 effuse, incrassate. Two specimens. 



R. zonula sp. nov. (PI. XL, fig. 67). 



R. testa perparva, fusiform i, compacta, so/idiuscula, anfracti- 

 bus sex, quorum duobus apicalibus, albovitreis, Icevibus, cceferis 

 concinne longitudinaliter obliquicostatis, costis arclis, tenuibus, 

 nitidis, interstitiis planatis, apud suturas utrinque spiraliter 

 fulvozonatis, simul ac a medio anfractus ultimi usque ad 



].C, viii., Oct., 1S96. 



