646 Recently published Ornithulogical IVorks. 



Berg on the birds of Takern Lake. 



[TSkern, en bok om faglarnas sjo af Bengt Berg. Pp. 1-475; many 

 photographs. Stockholm (Norstedt). 1913. 8vo.] 



Takern Lake lies in the centre of sontheru Sweden, about 

 halfway between Stockholm and Gothenburg in the province 

 of Ostergotlaud, and appears to be the favourite resort of 

 marsh- and water-birds. 



Here Mr. Berg must have spent a great deal of -time 

 taking photographs not only of the birds, but also of the 

 scenery and vegetation, and these are all reproduced in the 

 present work and form a most beautiful series of pictures. 

 Almost half the plates and letterpress are taken up with the 

 Swan, presumably Cygnus olor, which apparently breeds 

 abundantly on Lake Takern. Other birds of which photo- 

 graphs are given are the Sedge- and Reed-Warblers, Marsh- 

 Harrier, Lapwing, Curlew, Kentish Plover, Snipe, Coot, 

 Mallard, Pochard, Black-headed Gull, Tern, and Great 

 Crested Grebe. 



The photographs are all reproduced with great skill, and 

 the whole forms a wonderful series of illustrations of the 

 bird-life of Sweden. 



Buturlin on the Nuthatches. 



[A short Review of the Nuthatches (Fam. Sittidse). By S. A. 

 Buturlin. Trans. Soc. Imp. Nat. P^trograd, xliv. 1916, pp. 145-173.] 



Tliis important paper by Prof. Buturlin is unfortunately 

 published in Russian, but it contains a very full summary in 

 English, so that the more important conclusions can be 

 easily understood. Prof. Buturlin proposes to divide the 

 Nuthatches among twelve different genera and subgenera ; 

 of these seven are now introduced for the first time. They 

 are as follows : — Pcecilositta for Sitta azurea Less., Cyano- 

 sitta for Dendrophila coraUipes Sharpe, Arctositta for Sitta 

 arctica But., Homositta for S. castaneoventris Frankl., 

 Micrositta for S. villosa Verr., Leptositta for S. leucopsis 

 Gould, and Mesositta for S. himalayensis Jard. et Selby. 



A key of the structural and other characters bv which 



