V 



Gray, J. E., Esq., F.R.S. page 

 On the Cyprcea umbilicata and C eximia of Sowerby . .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- 



Gulliver, G., Esq., F.R.S. 



Note on the Spermatozoa of the Giraffe 7 



GuNN, R., Esq. 



On the Habitat of CyprcBa umbilicata, Sowerby. In a 

 Letter to J. E. Gray, Esq 124 



Harris, Lord, Governor of Trinidad. 



Letter 64 



Hay, J. Drummond, Esq. 



Letter offering to present Gazelles, and promising to trans- 

 mit the Reptiles found in the neighbourhood of Tangier • . 62 



Hill, Richard, Esq. 



Letter relating to the subject of procuring Reptiles for 

 the Society from Jamaica 91 



Hora, J. H., Esq. 



Exhibition of a female specimen of Ovis Gmelini, from 

 Tauri in the Persian Gulf 91 



Huxley, G., Esq., R.N. 



Description of the Animal of Trigonia, 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 



Kelaart, W. C, Esq. 



Letter 91 



Keppel, Hon. Capt., R.N. 



Letter relating to a young female Uran Utan . . . ,106 



Melville, Dr., M.R.C.S. 



Continuation of his Observations concerning the Ideal 

 Vertebra 11 



Oral exposition of Dr. Kaup's views of the Natural Ar- 

 rangement of Birds . . 94 



I 



