XV. AVES 
ARRANGED BY 
W. L. SCLATER, M.A. 
CONTENTS. 
PAGE 
I. Titles . . . . . . . . . . . . . . 1 
II. Subject Index . . . . . . . . . . . . 33 
III Systematic . . . . . . . . . . . „ . . 38 
I.— TITLES. 
1. — d’Abadie, R. La Corneille 
noire et la Pigeon Ramier. Rev. Fr. 
d’Orn. Paris 13 1921 pp. 122-126. 
2. — Abel, A. R. An intensive orni- 
thological survey of a typical square 
mile of cultivated prairie. Proc. 
Iowa Acad. Sci. Des Moines 27 [1921] 
pp. 386-393 3 photos. 
3. — Ade, A. Alpendohlen schaffen 
den Nahrboden fur ein seltenes Moos. 
Orn. Monatsb. Berlin 29 1921 pp. 69-70. 
4. — Agnew, N. V. I. Further notes 
from Peel Island, Moreton Bay, Queens- 
land. Emil Melbourne 21 1921 pp. 
131-137. 
5. — Ahlborn, F. Der Segelflug der 
Vogel. Ber. Abhandl. wiss. Ges. 
Luftfahrt. in Zs. Flugteck. u. Motor- 
luftsch. 6th heft. 1921 26 pp. 41 
text-fig. 1 pi. 
Alexander, H. C. vide Thompson. 
6. — Alexander, W. B. The birds of 
the Swan river district, Western 
Australia. Emu Melbourne 20 1921 
pp. 149-168 map. 
( n -17041 g ) q 
7. — Alexander, W. B. The Tubinares 
(Petrels and Albatrosses) in the H. Gould 
collection at Philadelphia. Emu Mel- 
bourne 20 1921 pp. 224-227. 
8. — Alford, C. E. Diving Ducks : 
some notes on their habits and court- 
ship. Brit. Bds. London 15 1921 pp. 
33-38. 
9. — Allen, A. S. Food of Western 
House Wrens. Condor Berkeley Cal. 
23 1921 p. 166. 
10. — [Allen, G. M.] Some vanished 
birds of New England. Bull. Boston 
Soc. N. H. No. 13 1918 pp. 2-6. 
11. — Allen, G. M. The Wild Turkey 
in New England. Bui. Essex Co. 
Orn. Cl. Salem 1921 pp. 6-18 map. 
12. — Allen, W. R. The birds of 
Lake Poop6, Bolivia. Auk Lancaster 
Pa. 38 1921 pp. 340-344. 
13. — Alphonsus, Bro. Bird migra- 
tion record made at Notre Dame, 
Indiana, in the spring of 1920. Amer. 
Midi. Nat. 7 1921 pp. 63-68. 
n 7 
