73 
24. Neritina pupiA, Chemn. Thes. Conch. fig. 81-88. 
25. MeLANIA crirCUMSTRIATA, nobis. WM. testd elongatd, tur- 
ritd, solidd, fusco-viridi ; anfractibus convexiusculis, infra su- 
turam paululum constrictis ; superioribus striis 6 transversis 
elevatis, plicisqgue 8 majoribus longitudinalibus ornatis ; ultimo 
striis 13; aperturd ovali-oblongd, basi dilatatd, superius acute 
angulatd, et feré rimatd, intus albidd; peritremate sinuato, 
columelld callosd. 
Long. 2,5; lat. ,8 une. 
26. Mevanta suBsuTURALIS, nobis. M. testd turritd, fusco- 
viridi, lineis castaneis longitudinalibus obliquis varieyatd ; an- 
Sractibus feré planis, quorum superiores striis elevatis perpau- 
cis validis, inferiores pluribus minoribus inequalibus ornati ; 
ultimo ad basim crebristriato; suturd distinctd, excavatd ; 
aperturd ovali, superné angulatd, intus albido-cerulescente ; 
peritremate acuto, sinuato, extus effuso. 
Long. 1,4,; lat. 5, une. 
27. Panupina Hamitront, nobis. P. testd ovato-conicd, tenut, 
perforata, viridi, concolore; striis transversis undulatis, aliis- 
que longitudinalibus tenuissimé decussatd ; anfractibus 5 rotun- 
datis, superioribus etate erosis; suturd impressd ; aperturd 
ovali, supra angulatd, intus cerulescente, margine paululum 
incrassato, albido ; peristomate acuto, lined tenui nigrd cir- 
cumdato. 
Long. 5%; lat. ;5, une. 
The Bornean specimens being scarcely adult, the description is 
drawn up from individuals in my cabinet, which have long been there 
without any locality assigned.— W. M. 
28. Lirrorrna scaBRa. AHeliz sc., Linn. 
29. Lirrorrina MELANOsTOMA, Gray, Zool. of Beechey’s Voy. 
30. Litrorina AaLBicans, nobis. L. testd ovato-oblongd, acu- 
minatd, tenui, albidd, apice levi, nitente ; anfractibus 7 vel 8, 
quorum 5 ultimi strits numerosis paulatim crescentibus ornati ; 
ultimus rotundatus, etate varicosus, strid unicd majore, quasi 
carinatus, striis ad basim minoribus circumdatus ; apertura 
rotundato-lunari, lacted ; peristomate subreflexo. 
Long. ;4,; lat. 4, unc. 
A delicate species, of a milk-white hue, the older specimens having 
many varices produced by the previous reflexions of the outer lip. 
31. CeriTHiumM ostusuM, Lam.; Zool. of the Samarang, Moll. 
pl. 13. fig. 3. 
32. CERITHIUM UNICARINATUM, nobis. C. testd turritd, tenui, 
apice truncato, hine inde varicosd, cinered, longitudinaliter pli- 
catd, interstitiis longitudinaliter striato-rugosis ; suturd parum 
impressd ; anfractibus viz rotundatis, regulariter crescentibus ; 
ultimo acuté carinato, infra carinam crebristriato; apertura 
