Zoological Society. 371 



Pleurotoma ^grota. Pleur. testd ohlongo-ovatd, tenuiculd, suh- 

 ventricosd, spins suturis profundis, striis impressis longitudinali- 

 bus et transversis undique decussatd ; aperturd suhelongatd, ampld ; 

 albicante. 

 Hah. Singapore (found among fine sand at the depth of seven fa- 

 thoms) ; Cuming. 



Pleurotoma concentricostata. Pleur. testd gracili-fusiformi, 

 spird acuminatd, anfractibus creberrime concentrice costatis, sutu- 

 ris simplicibus ; incarnato-fuscescente. 



Hab. ? 



Pleurotoma lirata. Pleur. testd subfusiformi, basi contractd, 

 transversim undique liratd, columelld excavatd, callositate superne 

 munitd, labro subeffuso^ leviter incrassato, sinu lato, ampio, canali 

 paululkm elongato ; albidd, labri margine intus rufescente. 



Hah. Islands of Luzon and Mindanao, Philippines (found in sandy- 

 mud at the depth of seven fathoms) ; Cuming. 



Pleurotoma nexa. Pleur. testd ovatd, Tritoni/ormi, anfractibus 

 subrotundatis, plicato-costatis, funiculis exilibus angustis, castas 

 super leviter nodulosis, cingulatis ; aperturd subampld, labro pla- 

 nulato, sinu lato ; canali brevissimo, recurvo ; albd, fusco undique 

 tinctd et fasciatd, funiculis suturatioribus. 

 Hab. Islands of Masbate and Luzon, Philippines (found under 

 stones at low water) ; Cuming. 



Pleurotoma inquinata. Pleur. testd acuminato-fusiformi, an- 

 fractibus transversim exiliter liratis, longitudinaliter creberrime 

 striatis ; sinu profunda ; albidd, aurantio-fusco hie illic inquinatd. 

 Hah. Gindulman, island of Bohol, Philippines (found among coral 

 sand at the depth of seven fathoms) ; Cuming. 



Pleurotoma undaticosta. Pleur. testd fusiformi, anfractibus 

 superne leviter depressis, costis longitudinalihus undatis concentrice 

 ornatd; albidd. 



Hah. } 



Pleurotoma paxillus. Pleur. testd abbreviato-ovatd, spird apice 

 acuminatd; anfractibus superne concavis, unicarinatis, medio cre- 

 berrime plicatis, plicarum inter stitiis suhtilissime striatis, inferne 

 liratis ; sinu amplo ; nigricantefuscd. 



Hah.* ? 



Pleurotoma sordida. Pleur. testd ovatd, longitudinaliter suhob' 

 lique costatd, costarum interstitiis elevatis clathratis ; sordid^ albd. 

 Hab. ? 



' Pleurotoma pluricarinata. Pleur. testd subfusiformi-ohlongd, 

 carinis plurimis acutis cingulatd, quarum interstitia striis longi- 

 tudinalihus cancellata; aperturd oblongd, sinu subamplo; canali 

 leviter recurvo ; lutescente, aurantio-fusco pallide strigato-tinctd. 

 Hah. Island of Burias, Philippines (found in sandy mud at the 



depth of seven fathoms) ; Cuming. 



Pleurotoma compta. Pleur. testd ovatd, spird nodoso-turritd. 



