8ro Zoological Society. 



excavatiSy anfractibus lavibus angustis granulosis creberrime cin- 

 gulatis; aperturd parvd ; albd. 

 Hab. ? 



Pleurotoma Guildingii. Pleur. testd pyramidali-oblongd, anfrac- 

 tibus superrie depresso-concavis, infra oblique nodoso-plicatis, 

 transversim undique creberrime striatis ; intus extusque piceo-nigrd, 



Hab. St. Vincent's, West Indies ; Guilding. 



Pleurotoma hyalina. Pleur. testd elongate -acuminata, basi trun- 

 catd, tenui, hyalind, longitudinaliter undique minutissime et con- 

 fertissime elevato-striatd ; albidd, lineis rufo-fuscis distantibus 

 cingulatd; labro simplici, sinu parvo. 



Hab. ? 



Pleurotoma ticaonica. Pleur. testd oblong o-ov at d, spird tereti, 

 anfractibus subventricosis, transversim irregulariter liratis, lira- 

 rum interstitiis minutissime clathratis ; albidd, aurantio-fusco hie 

 illic flammatd ; sinu parvo. 



Hab. Island of Ticao, Philippines (found on the reefs) ; Cuming. 



Pleurotoma fulva. Pleur. testd oblongo-ovatd, subiurritd, an- 

 fractibus longitudinaliter multicostatis, costis angustis^ prominen- 

 tibus ; fulvd. 

 Hab. ? 



Pleurotoma cantharis. Pleur. testd obtuso-ovatd, crassd, solidd, 

 lavigatd, anfractibus medio obliqu^ nodoso-plicatis ; sinu subamplo; 

 nigricante-fuscd, nodis albidis. 

 Hab. Sibonga, island of Zebu, Philippines (found under stones at 

 low water) ; Cuming. 



Pleurotoma vultuosa. Pleur. testd ovatd, anfractibus subrotun- 



dis, longitudinaliter obtuse costatis, transversim creberrime liratis ; 



labro intus denticulate, sinu amplo, lato ; albicante, apice pallide 



rosaceo. 



Hab. Baclayon, island of Bohol, Philippines (found under stones) ; 



Cuming. 



Pleurotoma opalus. Pleur. testd oblongo-ovatd, pentagonali, 

 crassd, Icevigatd, longitudinaliter costatd, costis oblique continuis, 

 subnodosis, angustis, quasi vellicatis, interstitiis plano-concavis ; 

 aperturd parvd, sinu amplo, profundo ; eburned, nitente, costarum 

 interstitiis incarnate -fuscescentibus . 

 Hab. Cagayan, province of Misamis, island of Mindanao, Philip- 

 pines (found in sandy mud at the depth of twenty-five fathoms) ; 

 Cuming. 



Pleurotoma ebur. Pleur. testd oblongo-ovatd, peniagOMli, crassd, 

 spird acuminatd, longitudinaliter continue costatd, transversim 

 striatd, striis basim versus conspicuis ; sinu ample, prefundo ; 

 eburned. 



Hab.-"^-^} 



