Zoological Society. 47"^ 



liris transversis clathratis ; albidd, roseo-fuscescente tinctd, granis 

 saturatiorihus. 

 Hah. ? 



Pleurotoma regularis. Pleur. testd suhpyramidali-ovatd, an~ 

 fractibus superne concavis, medio oblique regulariter costatis, aper- 

 turd parvd, sinu lata ; albidd, 

 Hab. ? 



Pleurotoma angicostata. Pleur. testd oblong o-ovatd, spird tur~ 

 ritd, Icevigatd, anfractibus longitudinaliter costatis, costis subdi- 

 stantibus, angustis, superne angulatis, submucronatis ; nived. 



Hab. ? 



Pleurotoma mucronata. Pleur. testd acuminato-pyramidali, an- 

 fractibus longitudinaliter subobscure plicato-costatis, costis nodu- 

 losis, aperturd brevi ; fused, nodorum serie mediand albicante. 



Hab. ? 



Pleurotoma cagayanensis. Pleur. testd fusiformi-ovatd, spird 

 acuminatd, anfractibus superne unicarinatis , infra tuberculato-pli- 

 catis, transversim conspicue liratis ; sinu amplo ; albd. 



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

 pines (found in sandy mud at the depth of seven fathoms) ; Cuming. 



Pleurotoma tessellata. Pleur. testd pyramidali, anfractibus 

 superne concavis, medio confertim tuberculato plicatis , aperturd 

 parvd; albd, maculis gy^andibus conspicuis rufo-fuscis tessellatd, 



Hab. Isle of Capul, Philippines (on the reefs) ; Cuming. 



Pleurotoma semen. Pleur. testd ohlongd, spird mucronatd, an- 

 fractibus Icevibus, medio oblique plicatis, aperturd parvd, sinu 

 profunda ; castaneo-fuscd, plicis albidis. 

 Hab. San Nicolas, island of Zebu, Philippines (under stones at 

 low water) ; Cuming. 



Pleurotoma Pari a. Pleur. testd oblongd, spird acuminato-turritd, 

 anfractibus superne concavis, infra plicato-costatis, costis angustis, 

 subfiexuosis ; albd, fascid pallida aurantid indistinctd cingulatd. 



Hab - ? 



Pleurotoma scalpta. Pleur. testd pyramidali-ovatd, lavigatd aut 

 minutissim^ reticulata, aperturd brevi, sinu distincto ; albd, lineis 

 fuscis brevibus tessellatim pictd. 



Hab. ? 



Pleurotoma Forbesii. Pleur. testd turritd, anfractibus rotundatis, 

 longitudinaliter obtuse costatis, transversim liratis, aperturd parvd ; 

 rufescente -fused, liris saturatioribus. 

 Hab. Paros, Grecian Archipelago ; Forbes. 



I have much pleasure in dedicating this little species to Professor 

 Edward Forbes, whose submarine researches among the islands of 

 the Grecian Archipelago have afforded matter of so much interest 

 and novelty. 



Pleurotoma symmetrica. Pleur. testd ovatd, spird breviusculd, 

 anfractibus superne depressis, longitudinaliter costatis^ costarum 



