O72 Zoological Society. 
anfractibus superne concavis, infra late costatis, liris angustis 
transversim funiculatis ; labro incrassato, intus denticulato, sinu 
amplo, lato ; lutescente-albd. 
Hab. Baclayon, island of Bohol, Philippines (found under stones 
at low water on the reefs) ; Cuming. 
PLEUROTOMA HEXAGONALIS. Pleur. testd pyramidali-ovatd, an- 
fractibus costis sex continuis longitudinaliter ornatis ; apertura 
parvd, sinu distincto ; fuscescente-albd. 
Hab. Loay, island of Bohol, Philippines (found in sandy mud at 
the depth of seventeen fathoms) ; Cuming. 
Prevroroma arcrata. Pleur. testd pyramidali-elongatd, anfrac- 
tibus oblique costatis, costis striis elevatis funiculatis ; labro in- 
crassato, peculiariter effuso, sinu amplo ; sordide albd, 
Hab. Island of Corrigidor, Philippines (found among coarse sand 
at the depth of seven fathoms); Cuming. 
Pirevrotoma coccinaTa. leur. testd ovatd, apicem versus acumi- 
natd, anfractibus levigatis, superne concavis, infra plicato-nodosis ; 
basi truncatd ; albd, inter nodos dorsumque coccinatd, 
Hab. > 
PLEevROTOMA viTREA. Pleur. testd cylindraceo-elongatd, basi le- 
viter contractd, tenui, pellucidd, vitred, levigatd, anfractibus su- 
perne et infern2 subtilissime sulcatis ; albidd. 
Hab. Singapore and island of Mindanao, Philippines (found at 
depths of seven and twenty-five fathoms) ; Cuming. 
PLEUROTOMA FORAMINATA. leur. testd fusiformi-ovatd, liris an- 
gustis longitudinalibus et transversis creberrime clathratis ; lutes- 
cente. 
Hab. 
Prevrotroma EFFIcTA. Pleur. testd ovatd, spird breviusculd, acu- 
minatd, longitudinaliter subconcentricé costatd, costis striis elevatis 
cancellatis ; aperturd subampld, labro incrassato, sinu latiusculo. 
Hab. ? 
PLEUROTOMA CAvERNOSA. Pleur. testd oblongd, spird angulato- 
turritd, anfractibus superné subangulatis, longitudinaliter costatis, 
costis distantibus, liris angustis elevatiusculis transversis clathra- 
tis, anfractu ultimo prope basim peculiariter cavernoso ; fused, 
liris costas super albicantibus. 
Hab. Philippine Islands; Cuming. 
PLEUROTOMA FPOLYNESIENSIS. leur. testd acuminato-turritd, an- 
fractibus parvis, rotundatis, longitudinaliter crebricostatis, trans- 
versim striatis ; labro incrassato, sinu amplo ; albicante. 
Hab. Lord Hood’s Island; Cuming. 
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