— 127 — 



Idem (octobre I92l') : Les Roseaux, garde-manger de la mésange 

 bleue en hiver. — Le pygargue. — Protection. — Divers. — Calen- 

 drier ornithologique. 



Der Ornitbologische Beobachter. L'Onitholoi^iste, Berne (fasci- 

 cule 11) : Albert Fless. Exkursion der Schweiz. Gesellschaft für 

 Vogelkunde und Vogelschutz in den Schweiz. Nationalpark im Juli 

 1920. — D' L. Pittel. Influence des conditions météorologiques sur 

 le passage de la bécasse. — Cari Stemmler. Störche und Nachtigallen 

 bei Schaffhausen. — Chronique. — Bibliographie. 



Idem (fascicule 12) : A. Schifferli. Vom Herbstzuge [919 am 

 Sempachersee. — R. Poncy. Notes concernant la l^aune du Grand 

 Saint-Bernard. — S. A. Weber. Line Entdeckung : Die Sänger- 

 grasmücke bei Bern. — D' H. Fischer-Sigwart. Vogelschutz : Die 

 Starkstromleitungen als gefahr für die Storchausiedelungen und die 

 Storche. — Karl Dant. Vom Haussperiing. — Co.Timunications di- 

 verses. — Chronique. — Bibliographie. 



Dansk Ornithologisk, borenings Tidssk.rijt, Kjobenhavn (Oktober 

 1920) : H. Chr. C. Mcrtensen. Maerkede Sterke. — A. Christiani. 

 Den Vestnorske Skaerpiber. — A. Christiani. En Bemaerknmg cm 

 den fœrciske Skœrpiber. — A. Godske-Nielsen. Fuglenes Plugt 

 under Benyttelse af Vinden. — Norsk Ornithologisk Forening. — 

 Anme'delser. 



The /1 u^. Lancaster, Pa., published by « The American Ornitho- 

 logists' Union )) (October 1920) : John 1 readvvell Nichols. Limico- 

 line Voices. — Charles Eugene Johnson. Summer Bird Records from 

 Lake County, Minnesota. — C. W. G. Eifrig, in the Haunts of 

 Cairns' Warbler. — Glover M. Allen. Pattern Development in Teal. 

 — Edward Fleisher. Notes on the Birds of Southeastern North Caro- 

 lina. — C. K. Averill. — Migration and Physical Proportions. — 

 General Notes. — Notes and News. 



Bird-Lore, New-York (September-October 1920) : General Arti- 

 cles. — Notes from Field and Study. — • The Season. — Book news 

 and Reviews. — The Audubon Societies. 



The Condor, Berkeley, California (July-August 1920) : H. S. 

 Swarth. In Memoriam : Frank Slater Dagget. — Frank N. Bassett. 

 Variations in the Song of the Golden-crowned Sparrow. — George 

 Willett. .Additional Notes on the Avifauna of Forrester Island, 



