Till 



Parry, Capt. Sir E. W., R.N. page 



On a New Species of Ka7igaroo {Macropus Parryi, Benn.), 

 presented by 151 



Porter, Sir R. K. 



Letter on the Characters and Habits of a Specimen of the 



Pithecia sagulata, presented by him to the Society 41 



Letter on various Zoological Subjects 113 



RuppELL, Dr. E. 



Description of a New Genns oi Pectinibranchiated Gastero- 

 podous Mollusca (Leptoconckus) 105 



Sabine, J., Esq. 



Notice of a Hybrid between the common Pheasant (Pha- 

 sianusColchicus, Linn.) and the grey Hen {TetraoTetrix, Linn.) " 52 



Smith, A., M.D. 



Letter on the Zoology of South Africa 25 



SowERBY, G. B., Esq. 



Characters of New Genera and Species of Mollusca and 

 Conchifera, collected by Mr. Cuming . . 6, 17, 21, 46, 68, 87, 123 



Characters of Three Species of the Genus Bulinus, Lam., 

 brought to England by Mr. Miller 141 



Steedman, a., Esq. 



On a Specimen of the Manis Temminckii, Smuts, forming 

 part of the Collection of 81 



Stoddart, Capt. 



Obser\'ations on Several Birds, forming part of the Col- 

 lection of the Naval and Military Museum 52 



Sykes, Lieut.-Col. W. H. 



Notice of the Perforation of Leaden Pipes by the Teeth of 

 Rats 54 



On the Nest and Eggs of the Lonchura Cheet, Sykes, and 

 of the Orthotomus Bennettii, Sykes 140 



Thompson, W., Esq. 



On an Immature Specimen of the long-tailed Manis (Manis 



tetradactyla , Linn.), from Sierra Leone 28 



Notice of the CucJcoo (Cuculus canorus, Linn.) 29 



Catalogue of Birds new to the Irish Fauna 29 



Weatherhead, J. H., M.D, 



On two young Specimens of Ornithorhynchus 22 



"Westwood, J. O., Esq. 



On Nycteribia, a Genus of Wingless Insects 135 



Yarrell, W., Esq. 



On the Anal Pouch of the Male Fishes in Certain Species 

 of the Genus Syngnathus, Linn 118 



"^ 



