[1922J 
XV. Aves. 
Aves. 5 
86. — Bolster, R. C. The occurrence, 
habits and breeding of the Spotted 
Sandgrouse ( Pteroclurus senegallus ) in 
the Bahawalpur State, Punjab. J. 
Bombay N. H. Soc. 28 1922 pp. 807- 
809 fig. 
87. — Bolster, R. C. Occurrence of 
the Desert Lark ( Alaemon desertorum) 
in the Punjab. J. Bombay N. H. Soc. 
28 1922 p. 1132. 
88. — Booth, H. B. Migration of the 
Common Swallow ( llirundo rustica , L.). 
Naturalist London 1922 pp. 55-GO 
85-91. 
89. — Boyden, E. A. The develop- 
ment of the cloaca in birds, with special 
reference to the origin of the Bursa 
of Fabricius and the formation of a 
urodaeal sinus, and the regular occur- 
rence of a cloacal fenestra. Amer. J. 
Anat. Philadelphia 30 1922 pp. 163- 
201 41 figs. 
90. — Boyden, E. A. The early 
development of the cloaca in Ostrich 
embryos, with special reference to the 
reduction of the caudal intestine. 
Anat. Rec. Philadelphia 24 1922 pp. 
211-220 8 figs. 
91. — Bradshaw, F. The Hungarian 
or European Grey Partridge [in Saskat- 
chewan]. Canad. Field-Nat. Ottawa 
36 1922 pp. 91-92. 
92. — Brascassat, M. Compte rendu 
des captures ornithologiques faites 
dans la region, ces dernicres anndes. 
Proc. Verb. Soc. Linn. Bordeaux 74 
1922 pp. 51-52. 
93. — Bright, H. Notes on the breed- 
ing of the White-breasted Ground 
Pigeon ( Phlogoenas jobiensis) and the 
Isabelline Turtle-dove ( Turtur isa- 
bellinus). Avicult. Mag. London (3) 
13 1922 pp. 168-172. 
94. — Brinkmann, M. Ueber die Ver- 
breitung des Girlitzes in Niedersachsen. 
Ornith. Monatsber. Berlin 30 1922 pp. 
33-34. 
95. — Brooks, A. Notes on the abun- 
dance and habits of the Bald Eagle in 
British Columbia. Auk Lancaster Pa. 
39 1922 pp. 556-559. 
96. — Brooks, A. Notes on the 
American Pine Grosbeaks with the 
description of a new subspecies. Condor 
Berkeley Cal. 24 1922 pp. 86-88. 
97. — Brouwer, G. A. and Verwey, J. 
Vogeltrek op Rottum. Ardea Leiden 
11 1922 pp. 47-80. 
98. — Brouwer, G. A. and Verwey, J. 
Waarnemingen van 1 Januari 1920 tot 
en met 30 Juni 1922. Ardea Leiden 
11 1922 pp. 129-150. 
99. — Buchner, O. Specht-Naumann. 
Die Vogel Europas. 1 Lief. 1 pp. 1-80 
16 col. pis. 8 text-figs. Stuttgart 
(K. G. Lutz) 1922 8vo. 
100. — Buckmann, K. O. Orriitholo- 
gische Beobachtungen aus der Land- 
schaft Schwansen (Siid-Schleswig). 
Ornith. Monatsber. Berlin 30 1922 pp. 
73-78, 97-100. 
101. — Bunyard, P. F. Nest and eggs 
of the Buff el- headed Duck. Bui. 
Bt. Orn. Cl. London 42 1922 pp. 76-77. 
102. — Bunyard, P. F. Little Ringed 
Plover in the Balearic Islands. Ibis 
London 1922 pp. 214-216 ; also Munn, 
P. W., p. 388 and Jourdain, F. C. R. 
p. 389. 
103. — Bunyard, P. F. On the eggs 
of the Puffin, Fratercula arctica. 
Ibis London 1922 pp. 256-268 1 pi. 
104. — Burdet, A. Notes ornitholo- 
giques en 1922. Ardea Leiden 11 1922 
pp. 124-128. 
105. — Burg, G. de. Les oiseaux de la 
Suisse elabore par ordre du Departe- 
ment federal de l’intcrieur, aveo le 
concours de nombreux observateurs 
dans tous les cantons. XIII® Livr. 
Montifringilliens et Passeriens. \ pp. i- 
xxv 2515-2698. Geneve (Georg) 
1922 8vo. 
106. — Burg, G. von. Der Zug der 
Vogel fiber die Alpen. Falco Leipzig 
18 1922 pp. 13-23. 
107. — Burg, G. de. Le passage des 
oiseaux a travers les Alpes. Rev. 
Fr. d’Orn. Paris 14 1922 pp. 353-358. 
108. — Burkitt, J. P. Bird’s Song. 
Irish Nat. Dublin 31 1922 pp. 117-125. 
109. — Butler, A. L. On a blue-grey 
oxamplo of Egretta garzetta. Ibis. 
London 1922 pp. 220-221. 
110. — Butterfield, E. P. Rare Birds 
in the Wilsden District. Naturalist 
London 1922 pp. 75-76. 
