— 
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 :-— 
Prevrotoma pELIcATA. Pleur. testd subulatd, tenui, hyalind, 
transversim minute et creberrimé elevato-striatd, aperturd brevi ; 
pellucido-albd, aurantio pallidissimé maculata, 
Hab. Lord Hood’s Island, Pacific Ocean; Cuming. 
Prevrotoma axis. Pleur. testd recto-acuminatd, inferne contractd, 
anfractibus superné bicarinatis, infra transversim exiliter liratis, 
aperturd oblongd, sinu profundo, albidd, aurantio-fusco subindi- 
stincté tinctd. 
Hab. Philippine Islands; Cuming. 
PLevROTOMA cCREBRIPLICATA. Pleur. testd ovatd, inferne ventri- 
coso-sinuatd, anfractibus concentrice crebriplicatis, transversim 
crebriliratis, aperturd patuld ; albidd, aurantio-fusco profus? va- 
riegatd. 
Hab. Bolinao, Island of Luzon, Philippines (found under stones at 
low water); Cuming. 
PLEUROTOMA ROSARIA. fPleur. testd abbreviato-subulatd, basi 
truncatd, anfractibus concentricé plicatis, levibus, apertura brevi, 
vivide coccineo-rosed, anfractuum parte supremd albizonatd, 
lab. ? 
Pirvrotoma Dysoni. Pleur. testd ovatd, spird subturritd, an- 
Sractibus superne concavis et obtuse carinatis, infra rotundatis, 
longitudinaliter costatis, liris transversis decussatis, aperturd brevi, 
sinu amplo ; castaneo-fuscd, anfractuum parte superiori hic 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-ovaid, bast 
truncatd, spird brevi, anfractibus pulcherrime granoso-costatis, 
