13 Aves 
Titles. 
5800 
Bunyard, P. F. Crossbills breeding 
in Suffolk for the third year in succession. 
Brit. Birds London 6 1912 (88-89). 209 
Bunyard, P. F. Tufted Duck and 
Teal breeding in Surrey. British Bds. 
London 6 1912 (158) [also Baynes ibid. 
p. 190]. 210 
Bureau, L. Melizophilus undatus 
bradfordiensi8. Nantes Bui. soc. sci. 2 
1912 (xv-xvi). 211 
Burg, G. von. Die scbweizerischen 
Graumeisen. Basel Ornithol. Beob. 6 
1908 (17-19). 212 
Burg, G. von. Die Ringversuche. 
Basel Ornithol. Beob. 7 1909-1910 
(165-170). 213 
Burg, G. de vide Fatio. 
Burr, F. F. Note on the Bald Eagle 
and Osprey. Auk Cambridge Mass. 29 
1912 (393). 214 
Burrill, A. C. Anon the reasons for 
bird migration : A favourite food theory. 
Milwaukee Bull. Wis. Nat. Hist. Soc. 10 
1912 (101 106). 215 
Burrows, M. T. The growth of tissues 
of the chick embryo outside the animal 
body, with special reference to the 
nervous system. J. exp. zool. Philadel- 
phia 10 1911 (63-83) 5 pis. 216 
Burton, R. G. Marbled duck at 
'Baroda. Bombay J. Nat. Hist. Soc. 21 
1912 (684). 217 
Btlslng. Die Begattung des Mauer- 
seglers. Omith. Monatschr. Madgeburg 
37 1912 (281-282). 218 
Bttskens, H. Die franzosischen 
Namen der Singvogel. Diss. Bonn (P. 
Rost & Co.) 1911 (78). 22 cm. 219 
Busse, F. Waldrotschwanzzuchtung. 
Gefied. Welt Magdeburg 41 1912 (1-2 
9-10 17-18 25-26). 220 
Biltikofer, E. Der Fichtenkreuz- 
8cbnabel als Insektenvertilger. Basel 
Ornithol. Beob. 7 1909-1910 (6-8). 221 
Butler, A. G. Evidence [of protection 
coloration] afforded by captive birds. 
Avicult. Mag. London 4 1912 (57-61). 
222 
Buturlin, S. H. Les places de ponto 
de la mouette rose. Bui. soc. Zool. 
Gen&ve 1 1912 (375-392) pi. 223 
Buturlin, S. H. Breeding grounds of 
Eurynorhynchus pygmaeus Linn. [Russ.] 
Mess, ornith. Moskva 3 1912 (54-56). 
224 
[Buturlin, S. A.] ByTypjmmb, C. A. 
TypitecTancKau paca Clojjo/taToft uypo* 
naTKH. [ Perdix dciunca turcomana 
Stolzm.] Mess, ornith. Moskva 3 1912 
(63). 225 
[Buturlin, S. A.] EyTypjmn r b, C. A. 
d>eprancKaa ckpaa cnunn;a. [ Pams 
cinereus ferghanensis Buturlin.] Mess, 
ornith. Moskva 3 1912 (163-164). 226 
[Buturlin, S. A.] ByTypjmm,, C. A. 
TypKecTancKaa pbijKenoacHHunaa 
JiaCTOUKa. [Cecropis rufula ferghanen- 
sis subsp. nov.] Mess, ornith. Moskva 
3 1912 (242-243). 227 
[Buturlin, S. A.] Byiypjmm,, C. A. 
HoBaa Pocciu nnina : KamMiipCKaa 
ueueTKa. [ Aeanthis jlavirostris 
stoliczkae Hart, new for Russia.] 
Mess, ornith. Moskva 3 1912 (248). 
228 
[Buturlin, S. A.] ByTypjinn r b, C. A. 
Bonpocy o Jierfe imnvb npoTHBT, 
Bbipa. [On the flight of birds against 
the wind.] Mess, ornith. Moskva 3 1912 
(251-252). 229 
[Buturlin, S. A.] EyTypjiHirt, 0. A. 
J^Bb HOBbia $opMbi tobok'b. [Zwei neue 
Formen der Zwergohreule.] NaSa 
ochota St. Peterburg 6 14 (45-46). 230 
Buturlin, S. A. D ryobates medius 
transeaucasicus nom. emend. Ornith. 
Monatsber. Berlin 20 1912 (64-65). 
234 
Buturlin, S. A. Earns tinereut 
ferghanensis nov. subsp. Ornith. 
Monatsber. Berlin 20 1912 (84-85). 232 
Cahn, A. R. The freezing of Cayuga 
lake in its relation to bird life. Auk 
Cambridge Mass. 29 1912 (437-444) 
pis. xvi-xx. 233 
Calvert, J. F. Bird notes 1912. 
Ottawa Nat. 26 1912 (115). 234 
Campbell, A. J. New birds for 
Australia. Melbourne Bull. R. Austr. 
Orn. Un. No. 3 1912 (1-2); also Emu 
Melbourne 12 1912 (19-21). 235 
Campbell, A . J. Annotations. Emu 
Melbourne 11 1912 (245-248). 236 
Gampenhausen, L. Frhr. von. 
Ornithologische Beobachtungen auf der 
Insel Oesel. Ornith. Monatschr. Magde- 
burg 37 1 912 (289-302) 1 Taf. 237 
Campenhausen, L. Freiherr von. 
Die Kiistenornis von Lahhentagge an 
der Siidwestkiiste der Insel Oesel. 
