138 Alexat^d-er, Additions to Ihe Library. [ ist Oct. 



Articles of General Ornithological Interest. 



" A Note on the Structure of the Feather," by J. S. Gladstone. 

 Ibis, vol. vi., part 2, p. 243. 



" The Birds of the Isle of May : a Migration Study," by Misses 

 E. V. Baxter and L. J. Rintoul. Ibis, vol. vi., part 2, 

 p. 247. 

 A valuable contribution to the study of bird migration, especi- 

 ally with regard to the influence of weather conditions and winds 

 on the movements of birds. 



" Development of Pattern in Birds," by A. G. Butler. Avicultural 

 Magazine, vol. ix., part 6, p. 182. 



" Diseases of Birds and Their Treatment and Cure," by P. F. M. 



Galloway. Avicultural Magazine, vol. ix., part 6, p. 192, 



and part 7, p. 217. 

 " Ancestral Characters in Nestlings," by A. G. Butler. Avicultural 



Magazine, vol. ix., part 7, p. 211, and part 8, p. 234. 



" Birds in the Valley of the Ancre during the Winter 1916-17," 

 by Capt. J. N. Kennedy, M.C., Australian Corps Heavy 

 Artillery. Revue Francaise d'Oriiithologie, No. 109, p. 241. 



The author records his observations on 56 species, and notes the 

 effects on them of the fighting and of the unusually severe winter. 



Correspondence. 



To the Editors of " The Emu." 



Sirs, — In The Emu, vol. xvii., part 4, page 177, Mr. x\. J. Camp- 

 bell makes the following remark respecting the Black-and-White 

 Wren {Malurus edouardi) from Barrow Island : — " If so, I fear 

 my friend, Mr. Carter's, claim to re-discovery has been anticipated." 

 This refers to the paper by Mr. G. M. Mathews and myself in The 

 Ibis for October, 1917, wherein (on page 593), under the heading 

 of Nesomalurus leucopteriis leucopterus, we stated : — " After an 

 interval of nearly one hundred years the original Malurus 

 leucopterus (Dumont), subsequently figured by Quoy and Gaimard, 

 has again been obtained in the locality where the type specimen 

 was got in 1818 — namely. Dirk Hartog Island." Surely Mr. 

 Campbell cannot deny that this claim has been fulfilled, and his 

 remark in The Emu appears to be a contradiction to the letter 

 that he wrote to me last year (1917), in which he congratulated me 

 " on the re-discovery of the original Black-and-White Mahirns 

 and Amytornis textilis." As to whether M. edouardi is sub- 

 specifically distinct from M. {Nesomalurus) leucopterus or not, 

 all I can say at present is that Mr. G. M. Mathews and myself 

 think that it is, and Mr. W. B. Alexander, of the Perth Museum, 

 is of the same opinion, as he wrote to me, on receipt of the first 

 two skins sent to liim from Dirk Hartog, pointing out the differ- 



