124 Letters, E.vtracts, Notices, l^c. 



Society^ Mr. W. H. Hudson has been able to devote much 

 of bis time lately to rewriting bis excellent field-notes on tbe 

 birds of tbe Argentine Republic, wbicb bave been published 

 in the ' Proceedings ' of the Zoological Society, the ' Field ' 

 and elsewbere. Sclater is preparing them for publication in 

 connection with a new descriptive catalogue of the same 

 avifauna, and proposes to publish them under the title of 

 ' Argentine Ornithology/ They will form two octavo volumes 

 of about the size of ' The Ibis/ 



Exhibition at Ekaterinburg. — The Societe Ouralienne 

 d^ Amateurs des Sciences Naturelles sends us a polite invi- 

 tation to visit Ekaterinburg next summer, any time between 

 the 15th of May and the 18th of September, in order to see 

 the " Exposition scientitique et industrielle de la Siberie et 

 des Monts Ourals,^^ in which specimens of birds and eggs 

 will form a portion of the exhibits in Class IV. " Zoology, 

 Zootomy, and Anatomy." The route is by railway to 

 Nislini, steamer thence to Perm, and railway again to 

 Ekaterinburg. Tickets will be issued at very reduced rates 

 to those furnished with vouchers by the Committee of the 

 Exhibition. The Committee of the B.O.U. will be glad to 

 hear from any Member who would like to make this in- 

 teresting journey. 



New Birds from the West Indies. — A supplementary paper 

 to the last number of ' The Auk,' 1866 (pp. 497 et seqq.), 

 shows how much there is still to be done in the smaller 

 islands of the West-Indian archipelago, even in the well- 

 worked subject of ornithology. Mr. Charles B. Cory, who 

 has for some time so successfully devoted himself to explora- 

 tions in this quarter, has sent a collector to the small islands 

 known as Grand and Little Cayman, which are situated 

 south of Cuba and about one hundred and thirty miles 

 north-west of Jamaica. As has recently been shown to be 

 the case in the Island of Cozumel, off the coast of Yucatan, 

 here also isolation has continued long enough to permit 



