116 



Hab, Island of Negros, Philippines (found among sand at the 

 depth of four fatlioms) ; Cuming. 



Pleurotoma arata. Pleur. testd pyramidali, suturis peculiariter 

 excavatis, anfractibus lavihus angustis granulosis creberrime cin- 

 gulatis ; aperturd parvd ; albd. 



Hab. ? 



Pleurotoma Guildingii. Pleur. testd py ramidali'Oblongd, anfrac- 

 tibus superne depresso-concavis, infra obligue nodoso-plicatis, 

 transversim undique creberrime striatis ; intus extusque piceo-nigrd. 



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



Pleurotoma hyalina. Pleur. testd elongato-acuminatd, basi trun- 

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

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

 cingulatd; labro simplici, sinu parvo. 



Hab. ? 



Pleurotoma Ticaonica. Pleur. testd oblongo-ovatd, spira 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. 



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

 fractibus longitudinaliter multicostatis , costis angustis, prominen- 

 tibus ; fulvd. 



Hab. ? 



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

 lecvigatd, anfractibus medio oblique nodoso-plicatis ; sinu subamplo; 

 nigricante-fuscd, nodis albidis. 



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

 low ■vvater) ; Cuming. 



Pleurotoma vultuosa. Pleur. testd ovatd, anfractibus subrotun- 

 dis, longittidinaliter obtuse costatis, transversim creberrime liratis ; 

 labro intus denticulato, sinu amplo, lato ; albicanle, apice pallide 

 rosaceo. 



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

 Cuming. 



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

 crassd, Icevigaid, longitudinaliter costatd, costis oblique continuis, 

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

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

 interstitiis incarnato-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, pentagonali, crassd. 



