BRITISH ORNITHOLOGIST S' UNION. 



PRESIDENT. 

 The Right Hon. Lord Lilford. 

 SECRETARY. 

 H. E. Dresser, Esq. 

 COMMITTEE. 

 The President. 'J 



The Editors of ^The Ibis.* >Ex officio. 

 The Secretary. j 



W. T. Blanford, Esq. (Elected 1885.) 

 Edward Cavendish Taylor, Esq. (Elected 1886.) 

 E. BiDWELL, Esq. (Elected 1887.) 

 The British Ornithologists' Union was instituted in 1858 for 

 the advancement of the science of Ornithology. Its funds are 

 devoted primarily to the publication of 'The Ibis/ a Quarterly 

 Journal of Ornithology, of which twenty-nine volumes have now 

 been completed. 



The Union consists of Ordinary Members, Honorary Members 

 (limited to ten), and Foreign Members (limited to twenty). 



Ordinary Members pay an admission fee of £2, and a contri- 

 bution of £1 on election, and £L on the 1st of January of each 

 subsequent year. 



Ordinary Members and Honorary Members are entitled to 

 receive a copy of ' The Ibis ' gratis. 



Authors are entitled to 25 extra copies of their papers pub- 

 lished in 'The Ibis,' on applying for them to the Secretary. 



The Election of Members takes place at the Annual General 

 Meeting, held in April or May. Persons wishing to become 

 Members are requested to apply to the Secretary for information. 



H. E. DRESSER, 

 6 Tenterden Street, Hanover Square, W. Secretary. 



Noio ready. — Price 2s. Qd. 



ON THE WINGS OF BIRDS. 



By C. J. SUNDEVALL. 



69 pp, with two Plates. (Translated from the original Swedish h\ 

 W. S. Dallas, F.L.S.) Reprinted from ' The Ibis ' for 1886. 



London : Gukney & Jackson (Successors to J. Van Voobst), 

 1 Paternoster Row, E.G. 



In two Volumes, Royal Swo. Suhscription Price for the 

 tivo Volumes, £3 3^. 



ARGENTINE ORNITHOLOGY: 



A DESCRIPTIVE CATALOGUE 



OF THE 



BIRDS OF THE ARGENTINE REPUBLIC. 



BY 



P. L. SCLATEE, M.A., Ph.D., F.R S., Etc. 

 WITH NOTES ON THEIR HABITS 



BY 



W. H. HUDSON, C.M.Z.S., 



LATE OP BUENOS AYRES. 



London : R. H. Porter, 6 Tenterden Street, W. 



The First Volume, with 10 Coloured Plates by Keulemans, is now ready for 

 delivery. 



