6 Aves. 
XV. Aves. 
[1921] 
120. — Carroll, C. J. Notes for seasons 
1918-19-20, on the Irish colonies of 
Sandwich and Roseate Terns discovered 
in 1917. Bt. Bds. London 14 1921 
pp. 253-256. 
121. — Carter, T. Remarks and notes 
on some Western Australian birds. 
Emu Melbourne 21 1921 pp. 54-58 ; 
also F. L. Whitlock pp. 128-130. 
122. — Carter, T. On some Western 
Australian birds collected between 
North-West Cape and Albany (950 
miles apart). With nomenclature 
and remarks by G. M. Mathews. Ibis 
London 1921 pp. 48-81 map. 
123. Cathelin, F. Les migrations 
des Oiseaux pp. 1-168 11 figs. Paris 
(Delagrave) 1920 8vo. 
124. Chaine, J. Sur la puissance 
musculaire des membres posterieurs 
dans les races de Poules bonnes et 
mauvaises voil6res. Proc. verb. soc. 
sci. phys. nat. Bordeaux 1918-1919 
1920 pp. 36-37. 
125. — Chance, E. A third season’s 
observations on a Cuckoo. Bt. Bds. 
London 14 1921 pp. 218-232. 
126. — Chapel, F. de. Le Flammant 
Rose en France. L’Oiseau Paris 2 
1921 pp. 102-106. 
127. — Chapin, J. P. Descriptions of 
four new birds from the Belgian Congo. 
Amer, Mus. Novit. New York No. 7 
1921 pp. 1-9 3 figs. 
128. — Chapin, J. P. Notes on a new 
Oxpecker and other little-known birds 
of the Congo. Amer. Mus. Novit. 
No. 17 1921 pp. 1-16 6 text-figs. 
129. — Chapin, J. P. West Africa 
the true habitat of Glaucidium teph - 
ronotum. Auk Lancaster Pa. 38 1921 
pp. 456-457. 
130. — Chapin, J. P. The abbreviated 
inner primaries of nestling wood- 
peckers. Auk Lancaster Pa. 38 1921 
pp. 531-552 1 pi. 5 text-figs. 
131. — Chapin, J. P. A note on the 
genus Lampribis in east and central 
Africa. Ibis London 1921 pp. 609- 
610. 
132. — Chapman, A. Savage Sudan, 
its wild tribes, big game and bird-life, 
pp. xx -j- 452 248 illustr. map London 
(Gurney & Jackson) 1921 8vo. 
133. — Chapman, F. M. Descriptions 
of apparently new birds from Bolivia, 
Brazil and Venezuela. Amer. Mus. 
Novit. New York No. 2 1921 pp. 1-8. 
134. — Chapman, F. M. Descriptions 
of proposed new birds from Colombia, 
Ecuador, Peru, and Brazil. Amer. 
Mus. Novit. New York No. 18 1921 
pp. 1-12. 
135. — Chapman. — F. M. In distri- 
bution of bird life in the Urubamba 
Valley of Peru. Bui. U.S. Nat. Mus. 
No. 117 1921 pp. 1-138 1 map 9 pis. 
(photos) 3 text-figs. 
Chapman, F. M. vide Oberholser. 
136. — Chappellier, A. Contribution 
a l’etude de l’hybridation et de l’inter- 
sexualite chez les oiseaux. Suppl. 4 
Bull. Biol. France-Belgique Paris 1921 
pp. 1-163 2 pis. 71 text-figs. 
137. — Chasen, F. N. Notes on the 
breeding of the Lesser Kestrel ( Falco 
naumanni). Brit. Bds. London 14 1921 
pp. 170-174. 
138. — Chasen, F. N. Field notes on 
the birds of Macedonia. With special 
reference to the Struma Plain. Ibis 
London 1921 pp. 185-227. 
Cheesman, R. E. vide Ticehurst. 
139. — Cherrie, G. K. and Reichen- 
berger, E. M. B. Descriptions of pro- 
posed new birds from Brazil, Paraguay 
and Argentina. Amer. Mus. Novit. 
New York No. 27 1921 pp. 1-6. 
140. — Chisholm, A. H. A new 
Menura : Prince Edward’s Lyre-Bird. 
Emu Melbourne 20 1921 pp. 221-223. 
141. — Chisholm, A. H. Notes on 
two new birds [Atrichornis and Pachy- 
cephala\. Emu Melbourne 21 1921 pp. 
2-10 2 pis. 
142. — Chodat, R. La genetique dans 
un croisement de poules. C. R. Soc. 
Phys. Hist. Nat. Geneve 38 1921 pp. 
17-21. 
143. — Christiansen, J. C. E. P. W. 
Heiberg Stiff sfysikus. Dr. Med., 24 
Juni 1840-22 Juni 1920. Dansk Orn. 
Tids. Kjobenhavn 15 1921 pp. 97- 
98. 
144. — Chrostowski, T. Sur les types 
d’oiseaux neotropicaux du Musee 
Zoologique de l’Academie des Sciences 
