58 Aves. 
XVII. Aves. 
[1900] 
Astragalinus tristis. Amer. Ornith., 
Worcester, Mass., 6, 1906, (26-30). 
Ectopistes migratorius. Amer. 
Ornith., Worcester, Mass., 6, 1906,(122- 
124). 
Spliyrapicua varius. Amer. Ornith., 
Worcester, Mass., 6, 1906, (38-39). 
Cigognes en Lorraine ; Hecht, 1, 
2 . 
Le Tinamou ; Blasi, 1. 
Le Nandou ; Blasi, 2. 
L’Oiseau-Mouche et les Inseparables ; 
Blasi, 3. 
Vireo liuttoni oberholseri ; Grinnell, 
Joseph, 2. 
V. olivaccus) Herrick. 
Ehynchopsitta pcichyrhynelia ; Berg- 
told. 
Dendroica occidentalis ; Bowles, 2. 
Mimus polyglottus leueopterus ; 
Emerson, 3. 
Young Flamingos ; Chapman, 2. 
Food-habits (see also Economics, 
p. 54). 
Die Trappen in der Gefangenschaft ; 
fierepova, 1. (Russ.) 
How birds get their food ; Beebe, 2. 
Nahrung unserer Vogel ; Csiki. 
Nalirung, Eulen ; Geyr von 
Schweppenburg, 2. 
Contents of the crop and gizzard 
young Bonaaa umbellua ; Weber, 2. 
Bone-breaking habits, Laemmergeier ; 
Wallis. 
Crop contents, Zenaidura macroura ; 
Townsend, 1. 
Diet, Laniua ludovicianm ganibcli ; 
Stephens, 1. 
Cannibalism in owls ; Richardson, 2. 
Scops scops ; Alpheraky, 4. (Russ.) 
Virginia creeper as a winter food; 
McAtee, 1. 
An acorn store -house, Melanerpes 
formicivorus bairdi ; Fisher. 
Birds that eat the cotton boll weevil ; 
Howell. 
Flight and Migration. Phenology. 
Flight, vide etiam Physiology p. 56. 
Interlocking of emarginate primary 
feathers ; Trowbridge. 
Vogelzugsbeobachtungen auf Reisen ; 
Parrot, 3, 4. 
The principles of migration ; Ogilby ; 
Mattingley, 1, 2. 
The percentage of error in bird mi- 
gration records ; Stone, 1. 
Night migration ; Stone, 3. 
The speed of birds ; Lucas, 1. 
Astronomical determination of the 
heights of birds during nocturnal mi- 
gration ; Carpenter, 2. 
Use of astronomical telescopes in 
determining the speeds of migrating 
birds ; Stebbins and Fath. 
Fact and fancy in bird migration ; 
Barrows. 
Twenty-five years of bird migration 
at Ann Arbor; Wood, Norman A. 
Die Entstehung des Vogelzuges auf 
Grund geographischer Tatsachen; 
Eckardt. 
Wetterlage und Vogel zug; Gallen- 
kamp, 2. 
Zum Vogelzuge ; Graeser. 
Witterungseinflusse auf den Zug; 
Bertram, 2. 
Zum Vogelzuge ; Braun, Fritz, 3, 
8 . 
Bird migration ; Booth. 
Zu den triebmassigen Ursachen des 
Vogelzuges ; Braun, Fritz, 7. 
Warum die Vogel in regelmassig an- 
geordneten Scharen fliegen ; Buturlin, 8. 
(Russ.) 
SemirSf je - Gebiet ; Zarudny und 
Koreiev. 
$elekon; LevSuk. 
The birds at tho Danish lighthouses 
in 1905 ; 23rd annual report ; Winge, 1. 
SemirScje-Gebiets. (Russ.); Zarudny 
and Koreiev. 
Gouv. Simbirsk. (Russ.) ; 2itkov u. 
Buturlin. 
Vogelzug in Nikolsk-Ussurisk in Ost- 
Sibirien ; Russow. 
