CONTENTS. 



• ' ' Page 



XX. A List' of Birds collected in Uganda and British East 

 Africa, with Notes'on their Nesting and other Habits.-^ 

 Part 11. By V. G. L. van Sombkex, M.B.O.U. (Plates 



YIII.-XIIL) .^S7:> 



«. 



XXT, Notes on the Distribution and Nesting-habits of Falco 

 perer/rinvs ^?gaZei Ridgivay. By C. nu B. Green, 

 Penticton, British Columbia. 47'i 



XXII. The assumption of Summer Plumage in Fiiromdatm oryx. 



By A. G. Butler, Ph.D., F.L^S., F.Z.S., M.B.O.U. . . 47ii 



XXIII. Field-notes on some of tbe Waterfowl of the Argentine 

 Eepublic, Chile, and Tierra del Fuego. By F. E. 

 Blaauw, C.M.Z.S., M.B.O.U. (Plate XIV. and Text- 

 figure 12.) 47> 



XXIV. On the Bird-life of Houtman's Abrolhos Islands, Western 

 Australia. By Charles Prick Conigrave, F.Il.G.S., 

 M.li.A.O.U. (Plates XV.-XVIII.) 402 



XXV. Obituary : W. W. Cooke, Guy L. Ewen, Lt.-Col. H. H. 



Harington 498 



XXVI. Notices of recent Ornithological Publications : — 



Bangs's recent papers ; Brasil on New Caledonian Birds : 

 I'jroolo on Siberian and Alaskan Birds; Chandler on tlie 

 Structure of Feathers ; Chapiu on the Pennant - winged 

 Nightjar; Chapin on new African Birds; Chubb on the 

 liirds.of British Guiana ; Despott on Maltese Birds; Grinnell 

 on Museum Methods ; Hartert's recent papers ; Miss Kellogg 

 g,nd Mr. Griunelbon Birds from Northern California; Mathews 

 ,0 Aus'tralian Bird*; Murphy on South American Cormorants; 

 Nobis on* a new .Dove; Richardson's Life of Tegetmeier; 

 llrtWiisoii' and Kloss on the Birds of KedahPeak; Thayer 

 and -Hangs on the Birds of Saghalien, and on a new Song- 

 Sparrow ; Wetmore on Porto Ilico Birds ; Witherbv on 

 ])ird-niarkiiig: Cassinia; Journal of .the South African Orni- 

 thologists' Union, and List of other Ornithological Publications 

 received ■"><"' 



XXVII. Letters, Extracts, and Notes : — 



Letters from A. Trevor,Battye, Dr. A. G. Butler, Miss M. D. 

 Haviland, and Gapt. Collingwood Ingram ; B. O. U. Special 

 General Meeting, held April 12, 19lB; Recent accessions to 

 the Natural History Museum; Notice to Members of the 

 I'iritish Ornithologists' Union; Oological Dinner; Honour for 

 a ]M.]>.O.U. ; Mr. Be'^be on Arrhaiopteryx and the ancestry of 

 . liiiils: A Bibliograpliy of I'ritish Ornitiiohigy ...... oi'P 



" Dnminnications intended for publication in 'The Ibis ' should be address- d 

 to the Editor, 



3Iembers are requested to inform the Secretary, c/o The Zoological Socict y 

 of London, Regent's Park, N.W., of any change of Address, so that tiie 

 numbers of ' The Ibis ' may reach them without delay. 



