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V 



Gray, J. E., Esq., F.R.S. &c. pctye 



Descriptions of Two New Genera and some New Species 

 of ScutellidcB and Echinolampidce, in the Collection of the 

 British Museum 34- 



Description of a New Genus and Family of Cyclosaurian 

 Lizards from Para 38 



Description of a New Species of Bulimus from Callao, 

 collected by Erneste Denicke 92 



Description of a New Genus of Gorgoniadcs 124 



Description of a New Genus of Bivalve Shells, and a Sea 

 Egg, from New Zealand 125 



Notice of Two Viverridce from Ceylon, lately living in the 

 Gardens 131 



On a New Genus of Anoiniada, in the Collection of Mr. 

 Cuming 197 



Description of a New Form of Lamprey from Australia, 

 with a Synopsis of the Family 235 



Hanley, H., Serjeant-Major 1st Life Guards. 



Observations on the Breeding of the Nightingale in Cap- 

 tivity 196 



Harcourt, Edward Vernon, Esq. 



Notice of the Birds of Madeira. (In a Letter addressed 

 to the Secretary.) 141 



Herrmannsen, Dr., of Kiel. 



On some Genera of Shells, established in 1807 by the late 

 H. F. Link 228 



Kaup, Dr. 



Descriptions of some New Birds in the Museum of the 

 Earl of Derby 39 



Mack, Mr. 



Remarks on the fact of Black Eggs being laid by a White 

 Duck. (Communicated by Mr. Oswald.) 192 



Metcalfe, W., Esq. 



An Enumeration of Species of recent Shells, received by 

 W. J. Hamilton, Esq., from Borneo, in November 1850, with 

 Descriptions of the New Species 70 



