326 Recently published Ornithological Works. 



The White ^Yag•tail conies from both the north-east and 

 north-west, and is much more plentiful on our west coast 

 than on our east, though it breeds but rarely on either. 

 The individuals that pass the Shetlands probably arrive from 

 Iceland and the Faroes. It appears in the south in March 

 and April, and, on its return, visits us only from mid- August 

 to mid- September. 



46. Cooke on the Birds of Colorado. 



[The Birds of Colorado, a second Appendix to Bulletin No. 37. By 

 W". W. Cooke. Bull. Agric. Exp. Sta. Agric. Coll. of Colorado, 56, 

 1900.J 



This memoir gives the additions made to the List of the 

 Birds of Colorado {cf. Ibis, 1898, p. 161) during the past 

 three years, and is paged consecutively with two former 

 papers on the same subject (Bulletin, 37 and 41). The 

 additional species are 27 in number, and 15 more have 

 been ascertained to breed in the State. The total number 

 of species and subspecies now known to occur in Colorado 

 is 387. 



47. Druilt's {Mrs.) Memoir of Lord Lilford. 



[Lord Lilford, Thomas Littleton, fourth Baron, F.Z.S. President of 

 the British Ornithologists' Union. A Memoir bj his Sister, with an 

 Introduction by the Bishop of London. 8vo. 1901. Price lOs. 6t?.] 



This volume will, we are sure, be read with very great 

 interest by all the Members of our Union, and by the many 

 otiier friends and acquaintances of our late President. The 

 story told of his life and its principal incidents contains, as 

 might have been expected, numerous allusioiis to Birds, 

 one of the main subjects, as we well know, that occupied his 

 attention from early youth. It is, moreover, illustrated by 

 some beautiful plates drawn by Thorburn, Lodge, and others, 

 and is prefaced by a capital likeness of our much-esteemed 

 friend. 



48. Dubois' * Sytiopsis Avium.' 



[Synopsis Avium. Nouveau Manuel d'Ornithologie, par Alphonse 

 Dubois. Fasc. II. Pici, Heterodactylte, Amphibolse, Anlsodactylae, 



