1922.] Receiiiii/ publis/icd Ornithological iVurh. 723 



Tanganyika Territory, Pt//elia mcllxi conradsi Ukercwe It^hiiul 

 in Victoria Nyanza, Stoffanura parudisea iiderjecla fS.E. 

 Cameroon, Turdus libonyanas aduinatue from Adamawa, 

 Cameroon, Cinnyris inediocris usambaricus Usambara in 

 Tanganyika Territory. The last-named is described in the 

 0]n. Monatsber., all the otheis in the Journ. Ornith. 



tiamer on Sexual Selection. 



LTerriLorialism and Sexual Seleclion. By A. II, Ilamer. S. Afr. 

 Jouiu. N. II. iii. 1922, pp. 54-59.] 



In tills short paper Mr. Hamer suggests as an explana- 

 tion of the bright colours and ornaments, as well as the song 

 of male birds, usually explained by the tiieory of sexual 

 selection, that these may Ije accounted for as adjuncts to 

 territorialism. He believes that the possession of these 

 ornaments by au individual bird acts as a warning to other 

 males who may be trespassers on his territory, and that l)y 

 this means fights are avoided. We fear that tven if there 

 are any grounds for Mr. Hamer's suggestion, he has hardly 

 in the short space at his disposal been able to bring sufficient 

 arguments to bear, in order to settle a question of this 

 magnitude. 



Hartert uii Central and Kastern Asian Lurks and Wrens. 



[Alaudidfe undTroglodytidte voii E. Ilartevt: iu Zuolo;;ische Ergebnisse 

 der Walter Stotznerscheu Expeditioiion iiach Szetscliwan, Osttibet uud 

 Tschili auf Grand der Sanilungeu uud Eeobachtuugen Dr. Hugo 

 Wt'igoldti. Abhandl. Ber. Zt)ol. Authrup. Mus. Dresden, xv. 1922, uo. 3, 

 pp. 19-22.] 



The chief point brought out by Dr. Hartert from an 

 examination of the Asiatic Larks is that the Arvensis (jnlyiila 

 group must be henceforth treated as subspecies of ^. arvensis. 



Two new subsjjecies are proposed, Alauda arrensis 

 weiyoldi i'rom central China and A. a. hainana from Hainan. 



Kuroda on the Birds of Hainan. 



[On a collection of birds from Hainan. By Nagamiclii Kuruda. 

 Dobs. Zasshi [Zoological Magazine], 1921, pp. 389-393.] 



This is a short paper on a collection of birds from Hainan. 



