READY IN APRIL 



The Flight of Birds. 



By F. W. HEADLEY, 



Jlulhor of The Structure and Life of Birds. 



With 16 Plates from photographs and many text diagrams. 



— 5s. VS&t,, — 



A simple and easily intelligible account of the flight of birds. 

 Though an ornithologist and not an aviator, the author keeps the 

 aeroplane in view, and compares it with the bird. 



A Hand- List of British Birds. 



By Ernst Hartert, F. C. R. Jourdain, N. F. Ticehurst, 

 and H. F. Witherby. 



Giving a detailed account of the Distribution of each species in the British Isles, 

 and s general account of its range abroad. 



The Nomenclature revised in accordance with the International Rules of 

 Zoological Nomenclature. 



7s. 6d[. VTet. 



Copies interleaved with ruled pKper 1 Os. net each. 



JUST PUBLISHED. LIMITED EDITION . 



A HISTORY 



OF THE 



BIRDS OF COLORADO. 



BY 



WILLIAM LUTLEY SCLATER, 



M.A. (Oxoii.), M.B.OU., Hon. M.A.O.U. 

 [Lateiy Director of the Colorado College Museum). 



With a Portrait of General William J. Palmer, and Sixteen Full- 

 page Plates from Photographs, and a Map. 



A FULL BIBLIOGRAPHY & A GAZETTEER of LOCALITIES. 



Square Demy 8vo. (9 x 6i). Cloth. Gilt Top. 21s, net. 

 A Handsome Volume of 600 pages. 



London : WITHERBY & CO., 326, High Holborn, W.C. 



