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Notes on the Types of Tyrannula mexicana of Kaup and 

 Tyrannula barbirostris of Swainson 84 



Remarks on some Species of Dendrocolaptida in the Col- 

 lection of the Smithsonian Institution 85 



Report on Additions to the Society's Menagerie in January 

 1871 101 



Announcement of the birth of a Hippopotamus in the So- 

 ciety's Gardens * 4a 



Exhibition of, and Remarks upon, a pair of corroded Tusks 

 of the Indian Elephant . 145 



Notes on the Monkeys of Eastern Peru. By Edward 

 Bartlett. (Communicated, with Notes, by P. L. Sclater.) 

 (Plate XIII.) 21 ? 



Notes on rare or little-known Animals now or lately living 

 in the Society's Gardens.— Part I. Mammalia. (Plates 

 XIV.-XVII.) 221 



Report on the Additions to the Society's Menagerie in 

 February 1871 258 



Exhibition of the Skin of a Species of Prinia from Ceylon 258 



On the Birds of the Island of Santa Lucia, West Indies. 

 (Plate XXI.) 263 



Report on the Additions to the Society's Menagerie in 

 March 1871. (Plate XXIX.) 298 



Exhibition of, and Remarks upon, the Shell of a River- 

 tortoise of the Genus Pelomedusa 325 



Report on the Additions to the Society's Menagerie in 

 April 1871. (Plate XXXVIII.) 478 



Notes on rare or little-known Animals now or lately living 

 in the Society's Gardens.— Part II. Birds 489 



On the Birds of the Vicinity of Lima, Peru. With Notes 

 on their Habits, by Prof. W. Nation of Lima, C.M.Z.S.— 

 Part IV 496 



On two new or little-known Parrots living in the Society's 

 Gardens. (Plates XL. & XLI.) 499 



