520 Mr. E. A. Smith on Land and 
antice haud descendens; apertura parva, leviter obliqua, late 
lunata; peristoma tenue vel subincrassatum, marginibus callo 
tenui junctis, columellari haud reflexo. 
Diam. maj. 7 millim., min. 6; alt. 24. 
Allied to R. rapida, Pfeiffer. 
Family Helicide. 
2. Charopa Perryt. 
Testa orbicularis, latissime umbilicata, alba, epidermide olivacea 
induta, lineis incrementi elevatis curvatis tenuibus instructa ; 
spira depressa, supra anfr. ultimum paulo elata; anfractus 
quatuor, convexi, primus lzevis, pellucidus, ultimus supra leviter 
declivis, antice subdescendens; apertura obliqua, irregulariter 
rotundata, intus alba; peristoma tenue, marginibus conniventi- 
bus, callo tenui albo junctis, columellari ad insertionem vix 
expanso. 
Diam. maj. 34 millim., min. 3; alt. 2. 
Hab. Mota Island, New Hebrides (Brit. Mus.) ; Rotuma 
(Gardiner). 
Remarkable for the very wide umbilicus, the absence of 
colour-markings, and the white porcellanous aperture. ‘The 
riblets are fine and not so regular in appearance as in many 
other species in this genus. Named after Mr. W. W. Perry, 
who collected the species at Mota Island. 
3. Charopa rotumana. 
Testa parva, orbicularis, profunde mediocriter umbilicata, pallida, 
radiis obliquis curvatis rufis conspicue picta, lineis incrementi 
liriformibus tenuibus obliquis curvatis instructa, inter liras 
microscopice spiraliter striata ; spira depressa, supra anfr. ultimum 
minime elata; anfractus 43, lente accrescentes, convexi, sutura 
profunda sejuncti, apicales 13 haud lirati, ultimus ad peripheriam 
rotundatus, haud descendens ; apertura oblique lunata ; peristoma 
tenue, simplex, margine columellari ad insertionem vix reflexo. 
Diam. maj. 22 millim., min. 23; alt. 13. 
In form very like Hndodonta consimilis, Pease, from 
Tahiti, but smaller, more finely sculptured, and without a 
parietal lamella. 
Family Bulimulide. 
4, Partula Leefet. 
Testa dextrorsa, parva, ovata, umbilicata, flavo-olivacea, infra 
suturam et versus apicem pallida; spira mediocriter producta, 
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