CONTENTS. 



Page 

 XX. KemarlvS on the Hawks of the Genus Micrastnr. Bv W. L. 



ScLATKK. M.A., M.B.O.U. (Plate VIII.) ..*... :}44: 



XXI. Ornithological and Oological Notes from the River Somme 

 valley ;it its Moutli and near Peronne. Bv Major \V. 

 Maiiland Congreve, M.C, R.A., M.B.O.U. ..... 348 



XXII. Further Ornithological Notes from the Neighhourhood of 

 Cape San Antonio, Province of Buenos Ayres. Part I. 

 Passeres. By Ernkst Gibson, M.B.O.U., F.Z.S. (Text- 

 figures 3 & 4.) . . 363 



XXIII. A List of the Birds of the Anglo-Egyptian Sudan, based on 

 the Collections of Mr. A. L. Butler, Mr. A. Chapman 

 and Capt. H. Lynes, R.N., and Major Cuthbert Christy, 

 B.A.M.C.(T.F.). Part I. Corvid»— Fringillid®. By 

 W. L. ScLATER, M.B.O.U., and C. Mackworth-Prabd, 

 M.B.O.U. (Plate IX.) 416 



XXIV. Further Notes on Birds observed at Alix, Buffalo Lake, and 

 Red Deer in the Province of Alberta, Canada, in 1915 

 and 1916. By Charles B. Horsbrugii, Canadian Army 

 Medical Corps^ B.E.F 477 



XXV. Obituary : (liacinro ^lartorelli ; John Randall Hatfeild. 



496 



XXVI. Notices of recent Ornithological Publications : — 



Balfour on Bird-Cult in Easter Island ; Cory on American 



5 Birds ; Despott's Maltese Bird Notes ; Guruey's Recent 



Papers ; Loomis on the Petrels, etc. ; Macoun on the Birds 



#of Canada ; Mathews on Australian Birds ; iMurpliy on 

 Oceanites ; Swartli on Califoruiau Jays ; Swarth <>u the Birds 

 of Arizona ; Theobald and others on tlie food of tlie Rook, etc. ; 

 Tliorburu's ' British Birds ' : Wetniore's recent papers ; S. A. 

 White on the Birds of Central Australia ; Bird- Lore ; 

 British Birds; Cassinia ; El Hornero ; find List of other 

 Ornithological Publications received 499 



XXVII. Letters, Extracts, and Notes : — 



Letters from C. Boden Kloss, the Marquis of Tavistock, 

 The Royal Society for the Protection of Birds, James Edmund 

 Harting, and the Rev. F. C. II. Jourdain : lieebe's ^Monograph 

 of the Plioasnnts 518 



Communications intended for publication in ' The Ibis ' should be addressed 

 to the Editor, 10 Sloane Court, Chelsea, S.W. 1. 



Members are requested to inform the Secretary, c/o The Zoological Society 

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

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



