478 Zoological Society. 



younger Chimpanzees, that in this nearly adult individual the laryn- 

 geal pouch extended over the front of the neck, beneath the platysma 

 myoides, as far down as the left axilla, passing there beneath the 

 upper border of the great pectoral muscle. 



The continuation of Mr. Lovell Reeve's paper on new species of 

 Pleurotoma was then read : — 



Pleurotoma delicata. Pleur. testd subulatd, tenui, hyalind, 

 transversim minute et creberrime elevato-striatd, aperturd brevi ; 

 pellucido-albd, aurantio pallidissime maculatd. 



Hab. Lord Hood's Island, Pacific Ocean ; Cuming. 



Pleurotoma axis. Pleur. testd recto -acuminata, inferne contractd, 

 anfractibus svperne bicarinatis, infra transversim ewiliter liratis, 

 aperturd oblongd, sinu pro/undo, albidd, aurantio-fusco subindi- 

 stincte tinctd. 



Hab. Philippine Islands ; Cuming. 



Pleurotoma crebriplicata. Pleur. testd ovatd, inferne ventri- 

 coso-sinuatd, anfractibus concentrice crebriplicatis, transversim 

 crebriliratis , aperturd patuld ; albidd, aurantio-fusco profuse va- 

 riegatd. 



Hab, Bolinao, Island of Luzon, Philippines (found under stones at 

 low water) ; Cuming. 



Pleurotoma rosaria. Pleur. testd abbreviato-subulatd, basi 

 truncatd, anfractibus concentrice plicatis, Icevibus, aperturd brevi, 

 vivide coccineo-rosed, anfractuum parte supremd albizonatd. 



Hab. ? 



Pleurotoma Dysoni. Plenr. testd ovatd, spird subturritd, an- 

 fractibus superne concavis et obtuse carinatis, infra rotundatis, 

 longitudinaliter costatis, liris transversis decussatis, aperturd brevi, 

 sinu amplo ; castaneo-fuscd, anfractuum parte superiori hie illic 

 interrupte albifasciatd. 

 Hab. Honduras ; Dyson. 



I have much pleasure in naming this shell, at the request of Mr. 

 Cuming, after Mr. Dyson, whose adventurous researches after objects 

 of natural history in a country not the most healthy for European 

 travellers are certainly worthy of being recorded. 



Pleurotoma hondurasensis. Pleur. testd oblongo -ovatd, spird 

 acutd, anfractibus rotundatis, nodoso-costatis ; cinereo luteoque 

 alternatim fasciatd ; labro incrassato. 



Hab. Honduras ; Dyson. 



Pleurotoma fenestrata. Pleur. testd fusiformi-ovatd, subinflatd, 

 tenui, pellucidd, anfractibus rotundis, liris superficiariis subdistan- 

 tibus undique clathratis, labro simplici, sinu latiusculo ; pellucido- 

 albd, aurantio pallide tinctd. 



Hab. Island of Mindoro, Philippines (found among coral). 



Pleurotoma granicostata. Pleur. testd abbreviato-ovatd, basi 

 truncatd, spird brevi, anfractibus pulcherrime granoso-costatis. 



