V 



page 

 On the frequency of the Natter-jack of Pennant (Rana 

 Rubeta, L.) on the Commons in the neighbourhood of Lon- 

 don 61 



On two Species of the Genus Rhynchcea, Cuv 62 



On the Vultur Angolensis, Lath 67 



Characters of three New Genera, including two New Spe- 

 cies of Mammalia from China 94 



Characters of a New Genus of Freshwater Tortoise from 



China 106 ( 



Observations on the Animal (Ocythoe) found in the shells 

 of the Genus Argonauta 107 



Hay, E. W. A. Drummond, Esq. 



Letter accompanying a present of several Living Animals 

 from the Empire of Marocco , 145 



Heath, J. M. Esq. 



On two Species of Bats, accompanying a large Collection 

 of Birds from Madras, presented by 113 



HODGKINSON, E. Esq. 



Account of a Specimen of Gulo Barbarus, L., presented 

 by * 74 



Hodgson, B. H. Esq. 



Description and Characters of the Chiru Antelope {Antilope 

 Hodgsonii, Abel) , 52 



Holdsworth, Rev. R. 



On a Specimen of the Umbrina (Sticena Aquila, Cuv.), 

 taken on the South Coast of Devon 112 



Horsfield, T., M.D. 



Observations on two Species of Bats, from Madras, one of 

 t|jem new, presented by Mr. Heath 113 



Hoy, Barlow, Esq. 



On the Hylurgus piniperda, Latr 126 



Jenkins, F. Esq. Secretary to the Physical Committee of the Asiatic 

 Society. 



Letter accompanying a Collection of Indian Birds 6 



King, Captain P. P., R.N. 



Characters of New Genera and Species of Birds from the 

 Straits of Magellan 14, 29 



Leach, W. E., M.D. 



On a Collection of Italian Insects, presented by 24 



Lindsay, H. H. Esq. 



On a Collection of Birds from Manilla, presented by ... . 96 

 Loddiges, Mr. G. - 



Notice of a New Genus of Trochilidce 12 



Lord, Mr. W. 



On a Collection of Birds made in Shetland, and presented 

 by 150 



