X 



Page 

 Newion, E. T., I'.G.S., F.Z.S. 



Note on tlie Bones of small Birds obtained by Professor 

 Nation from below the Nitrate-beds of Peru 375 



Ogilvie, F. Menteith, F.Z.S. 



Exhibition of, and remarks upon, a British specimen of 

 the Red-breasted Flycatcher {Muscicapa purva). G16 



Parker, W. K., F.R.S., F.Z.S., &c. 



Abstract of a Memoir containing an account of the 

 Morphology of the Hoatzin {Opisthocomus cristatus) 44 



PiCHOT, P. A., C.M.Z.S. 



Exhibition, on his behalf, of a map showing the exact 

 locality in which the Beaver is now found in the Delta of 

 the Rhone 4G3 



PococK, R. I., of the British Museum (Natural History). 



A Revision of the Genera of Scorpions of the Family 

 Buthida, with Descriptions of some South-African Species. 

 (Plates XIII. & XIV.) 114 



ScLATER, Philip Lutley, M.A., Ph.D., F.R.S., Secretary to 

 the Society. 



Report on the additions to the Society's Menagerie in 

 December 1 389 1 



Exhibition of, and remarks upon, a hybrid Duck. (Plate 

 I-) 1 



Report on the additions to the Society's Menagerie in 

 January 1890 44 



On a Guinea-fowl from the Zambesi, allied to Numida 

 crislata. (Plate XII.) 86 



Rej)ort on the additions to the Society's Menagerie in 

 February 1 890 94 



Exhibition of, and remarks upon, some Mammals obtained 

 in the Upper Magdalena Valley of Colombia by Mr. R. B. 

 White, C.M.Z.S 93 



