IT 



Fayrer, Capt., R.N. paffe 



Letter from, accompaiiied by two speciraens of Strix 

 Nį/ctea 19 



Forrester, Joseph Ja^mes, Esq. 



Letter from, with donation of specimens of Insects, Echini, 



&c 164. 



Letter from 167 



Fraser, Mr. L. 



Description of three New Species of Birds 37 



Exhibition of Birds' Skins presented by E. D. Dickson, 

 Esq., H. J. Ross, Esq., and by Capt. Thomas Graves, R.N. . 64 



Description of Lophyrus Victoria 1 36 



On Birds from Chile, and description of Leptopus Mit- 

 chellii 1>57 



Gilbert, Mr. 



Letter from, describing the habits of some Mammalia and 

 Avės of Western Australia 33 



GouLD, John, Esq. 



Description of Atrichia clamosa 1 



On Ne\v Species of VVestern Australian Birds .... 5 

 Descriptions of three New Species of Halmaturus and 



Lagorchestes - . . 31 



Exhibition of a series of Birds from Australia, collected 



by Mr. Gilbert and himself 55 



Exhibition and character of a number of Animals, &c. 



transmitted from Australia by Mr. Gilbert 103 



Description of Podiceps Australis 1 35 



Gulliver, George, Esq., F.R.S. 



Additional Measurements of Blood-Corpuscles of Mam- 

 malia and Avės, &c 7 



On the Blood-Corpuscles of the Bradypus didactylus, &c. 9.5 

 Additional Measurements of the Blood-corpuscles of Mam- 

 malia and Avės 145 



Hanley, Sylvanus, Esq. 



Descriptions of New Species of Mytilacea, Amphidesma, 



and Odostomia 14 



Descriptions of New Species of Tellina, collected by H. 



Cuming, Esq 59 



Continued 68, 140, 146, 164 



Descriptions of New Species of Cytherea 109 



Descriptions of New Species of Cyrena, Venus, and Am- 

 phidesma 159 



Harris, Major. 



Communication on the Natūrai History and Zoology of 

 Abyssinia 3 



