﻿V A N I K R AND N E R I T P S I S. 



Species 17. (Mus. Brit.) 



Van'ikoi;o iMRincATA. Van. testa parvd, lemti, obliqua, 

 tenuiler spiraliter et concentrice strkitd ; spmi 

 elevatd, acuminatd ; aperturd anguste ovak'i, oblique 

 productd, canali maximo, semirotmvlo. 



The imbricated Vanikoro. Shell small, thin, oblique, 

 finely spirally and concentricaUy striated ; spire 

 raised, acuminated ; aperture narrowly ovate, 

 obliquely produced, canal very large, half-rounded. 



Pf.a.se. MS. 



llah. Islands in the Pacific. 



Species 18. (Fig. a, b, Mus. Brit.) 

 Vanikoro Eecluziana. Van. testa elatd, acuminatd, 



spird cancellatd, ultimo anfracfu fere Icevigato ; 



aperturd semicirmlari, columella rectiiisculd ; canali 



elongato, lalihsculo. 

 Recluz's Vanikoro. Shell elevated, acuminated, sjiire 



cancellated, last whorl almost smooth ; aperture 



semicircular, columella nearly straight ; canal 



elongated, rather broad. 

 Adams antj Angus. Proc. Zool. Soc, 18C7. p. '212. 

 Hob. New South Wales. 



The early whorls are strongly cancellated, hut the 

 body whorl becomes nearly smooth. 



Va 



Species 19. (Mus. Brit.) 

 IKORO IIELICOTDEA. Van. tcstd sulrotundd, eteganter 



costatd, interstitiis spiraliter depresso-striatd ; spird 

 depressd ; aperturd magnd, ovatd ; columella tenui, 

 rectiusculd ; canali brevi, semilunari. 

 The SNAIL-SHAPED Vanikoro. Shell rather rounded, 

 elegantly ribbed, interstices spirally depressed- 

 striated; spire depressed; aperture large, ovate; 



columella thin, rather straight; canal short, 



lunar. 

 Le Guillon. Eecluz, Proc. Zool. Soc, iSiS. 

 Hab. ? 



Species 20. (Fig. a, b, Mus. Brit.) 

 Vanikoro solida. Van. tcstd solidd, globosd, spird 

 prominent i, anfractibus superior ibus cancellatis, ro- 

 tundis, ultimo anfractu tenuiter spiraliter et concen- 

 trice striata ; aperturd magnd, columella tortud : 

 cariali angusto. 

 The solid V.^nikoko. Shell solid, globose, spire 

 prominent, upper whorls cancellated, rounded, 

 last whorl finely spirally and concentrically 

 striated ; apertm-e large, columella tortuous, canal 

 narrow. 



SOWERBT. 



Hab. ? 



Species 21. (Fig. a, b, Mus. Brit.) 



Vanikoro acuta. Van. testd altiiisculd, tenui, semi- 

 pellucidd, tenuiter decussatd ; spird aaminatd, an- 

 fractibtis prominulis ; aperturd subovatd, columelld 

 recta, canali lata, planulalo. 



The ACUTE V.vnikoro. Shell rather elevated, thm, 

 semipellucid, finely decussated ; spire acuminated, 

 whorls rather prominent ; aperture subovate, 

 columella straight, canal broad, flattened. 



Recluz. Proc. Zool. Soc, 18-13. 



Hab. ? 



More finely decussated than most of the species, with 



.sharp spu-e and thin substance. 



Species 22. (Mus. Brit.) 

 Vanikoro semiplicata. Van. tcstd globosd, tenniuscuU, 

 tenuiler decussatd ; ultimo anfractu sM|W(i suturain 

 aperturd elevatd ; anfractibus apicalibus minutis ; 



May, 1875. 



