Recentli/ published Ornithological Works. 543 



of the country, the author gives a list of 225 species of birds, 

 based upou tlie results of visits paid to the Island in 1908 

 and 1909. For fuller details the reader may be referred to 

 Mr. Jourdain's papers in our volumes for 1911 and 1912, 



69. Koch on the Birds of Esthonia. 



[Uebersicht iiber die Viigel Esllands. Von Oscar Koch. Herausge- 

 geben vom Vereln fiir Naturlaude Estlands. Keval & Leipzig, 1911. 

 89 pp.] 



This is a compact little pamphlet on the birds of the 

 above-named country, giving a list of 255 species, with short 

 notes on each. The author^'s intention is to bring up to 

 date Russovv^s work ' Ornis Esth-, Liv- und Kurlands." 



70. Loudon on two new subspecies of Turdus. 



[Zwei neue Drosselfornien. Von Harold, Baron Loudon. Reprinted 

 Ironi Reiclieuow's Orn. Monatsb. Jan. 1912.] 



The two new forms are Turdus pilaris sarudinji and T. visci- 

 vorus snrudnyi, based on specimens collected by the author in 

 Talysch and Transcaspia. 



71. Ldnnberg on the Birds of the Swedish Zoological 

 Expedition. 



[Birds collected by the Swedish Zoological Expedition to British East 

 Africa, 1911. By Einar Lonnberg. Kongl. Svensk. Vet.-Ak. Haudl. 

 xvi. No. 5. Upsala and Stockholm, 1911.] 



This Report begins with a description of the route of the 

 Swedish Zoological Expedition in British East Africa, and 

 of the country through which it passed. The principal kinds 

 of " Landscape " are then discussed a3 " Steppe," " Thorn- 

 bush,"' and '* Forest," wliile Reichenow's views as to the 

 occurrence of nearly related forms in distant aiid isolated 

 mountains are freely criticised. After some instructive 

 remarks on the general distribution of the birds in East 

 Africa, lists are given of the species found in grass-steppe, 

 forest country, and other special localities. Among these 

 the most important, perhaps, is the list of species obtained 

 south of the Guaso Nviri and in the '^ thorn-bush" north of 



