T 



page 

 Crisp, Edwards, M.D., F.Z.S., &c. 



Exhibition 'of a Hen that had assumed the plumage of the 

 Cock 127 



Occurrence of a Bantam Hen sitting upon the Eggs of a 

 Water Ouzel (Cinclus aquaticus), and hatching and rearing 

 a young Bird 200 



Deshayes, Mons. 



A General Eeview of the genus Terebra 270 



EL1.IOT, Daniel G., of New York, F.Z.S., &c. 



Exhibition of three specimens of Hybrid Ducks from his 

 own collection, obtained on the South Shore of Long Island, 

 U.S. A 437 



Gould, John, F.R.S., V.P.Z.S., &c. 



Extract from a Letter addressed to him by Dr. George 

 Bennett of Sydney, respecting the Semipalmated Goose. ... 39 



Exhibition of Drawing of a Pheasant {Diarxlig alius fas- 

 ciolatus) , 40 



List of Birds from the Falkland Islands, with descriptions 

 of the Eggs of some of the species, from specimens collected 

 principally by Captain C. C. Abbott, of the Falkland Islands 

 Detachment 93 



On a New Species of Odontophorus 98 



On the Members of the genus Rupicola, and whether there 

 are two or more Species 99 



On a New Species of Dendrochelidon, or Tree Swift .... 1 00 



Exhibition of all the known species of the genus Elaniis, 

 with description of a New Species 126 



Description of two New Species of Birds ; one belonging to 

 the family Cuculidce, the othef to Cotu7micece 1 28 



List of Birds collected at Tavoy, in the Tenasserim Pro- 

 vinces, by Capt. Briggs, Deputy Commissioner of Taroy .. 149 



List of Birds collected in Siam by Sir R. H. Schomburgk, 

 H. B. M. Consul at Bangkok 151 



