Gray, J. E., Esq., F.R.S. 
On the Cyprea umbilicata and C. eximia of Sowerby. . 
page 
125 
Description of a New Species of Gorgonia from Australia 146 
Description of a New Genus and several New Species of 
Terrestrial, Fluviatile and Marine Molluscous Animals in- 
habiting New Zealand. . . - . . «+ «© » - 164 
GuLtiver, G., Esq., F-R.S. 
Note on the Spermatozoa of the Giraffe . . .... 7 
Guyy, R., Esq. 
On the Habitat of Cyprea umbilicata, Sowerby. In a 
Letter a0. Gray, Pago) 258 8s es Ee 
Harris, Lord, Governor of Trinidad. 
Peer sn ce letwiie ple os + Sites eiasiGs 
Hay, J. Drummonp, Esq. 
Letter offering to present Gazelles, and promising to trans- 
mit the Reptiles found in the neighbourhood of Tangier. . 62 
Hitz, Ricwarp, Esq. 
Letter relating to the subject of procuring Reptiles for 
the Soplety from Jamaies ee ew te ew eo 
Hora, J. H., Esq: 
Exhibition of a female specimen of Ovis Gmelini, from 
Paurt OY Chem WO cae cg ee ae ee ee 
Hoxtey, G., Esq., R.N. 
Description of the Animal of Zrigonia, from actual dis- 
section, with an introductory Note by Prof. E. Forbes, F.R.S. 30 
Jonas, Dr. 
Description of a New Species of the Genus Thracia. Com- 
municated by H. Cuming, Esq... . . . . « « +» « + 170 
Kevaart, W. C., Esq. 
Lettene imc th saeott h Wiemiie® at oe cote? 91 
KeppEL, Hon. Capt., R.N. 
Letter relating to a young female Uran Utan - 106 
MeLvILte, Dr., M.R.C.S. 
Continuation of his Observations concerning the Ideal 
Vertebra Minted OME Me Sic) os Soll MEAS e Seo ett EE 
Oral exposition of Dr. Kaup’s views of the Natural Ar- 
rangement of Birds . 94 
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