870 Zoological Society. 
excavatis, anfractibus levibus angustis granulosis creberrime cin- 
gulatis ; aperturd parvd ; albd. 
Hab. 
Prevroroma Guitpine1. Pleur. testd pyramidali-oblongd, anfrac- 
tibus superne depresso-concavis, infra oblique nodoso-plicatis, 
transversim undique creberrimé striatis ; intus extusque piceo-nigrd. 
Hab. St. Vincent’s, West Indies ; Guilding. 
-PievroToMA HYALINA. Pleur. testd elongato-acuminatd, basi trun- 
catd, tenui, hyalind, longitudinaliter undique minutissime et con- 
fertissime elevato-striatd ; albidd, lineis rufo-fuscis distantibus 
cingulatd ; labro simplici, sinu parvo. 
Hab. 
Prevrotoma Ticaonica. Pleur. testd oblongo-ovatd, spird tereti, 
anfractibus subventricosis, transversim irregulariter liratis, lira- 
rum interstitiis minutissime clathratis ; albidd, aurantio-fusco hic 
illic flammatd ; sinu parvo. 
Hab. Island of Ticao, Philippines (found on the reefs) ; Cuming. 
Pievrotoma FuLvA. Pleur. testd oblongo-ovatd, subiurritd, an- 
fractibus longitudinaliter multicostatis, costis angustis, prominen- 
tibus ; fulvd. 
Hab. ? 
PLEUROTOMA CANTHARIS. Pleur. testd obtuso-ovatd, crassd, solidd, 
levigatd, anfractibus medio oblique nodoso-plicatis ; sinu subamplo ; 
nigricante-fuscd, nodis albidis. 
Hab. Sibonga, island of Zebu, Philippines (found under stones at 
low water); Cuming. 
Prevrotoma vutTuosa. Pleur. testd ovatd, anfractibus subrotun- 
dis, longitudinaliter obtuse costatis, transversim creberrime liratis ; 
labro intus denticulato, sinu amplo, lato; albicante, apice pallide 
rosaceo. 
Hab. Baclayon, island of Bohol, Philippines (found under stones) ; 
Cuming. 
Pievrotoma opaLus. Fleur. testd oblongo-ovatd, pentagonali, 
crassd, levigatd, longitudinaliter costatd, costis oblique continuis, 
subnodosis, angustis, quasi vellicatis, interstitiis plano-concavis ; 
aperturd parvd, sinu amplo, profundo ; eburned, nitente, costarum 
interstitits incarnato-fuscescentibus. 
Hab. Cagayan, province of Misamis, island of Mindanao, Philip- 
pines (found in sandy mud at the depth of twenty-five fathoms) ; 
Cuming. 
PrevroromMa EBuR. Pleur. testd oblongo-ovatd, pentagonal, crassd, 
spird acuminatd, longitudinaliter continue costatd, transversim 
striatd, striis basim versus conspicuis; sinu amplo, profundo ; 
eburned. 
