10 Aves. 
XVII. Aves. 
[1907] 
Fringillidae. [Sur lets formes du genre 
Pyrrhospiza Hodgs. 18-14, do la famille 
des Frmqillides ]. St. Peterburg, Bull. 
Ac. Sc, 6 Ser, 1907 , (185-196). 145 
Bianchi, V. In defence of natural 
genera. St. Peterburg, Bull. Ac. Sc, 
1907,(369-376). 116 
[Bianchi, V.] BiauiiM, B. Myxo- 
jiobkh (Muscicapidae). [Die Fliegen- 
schnapper ( Muscicapidae ).] Natur- 
freund, St. Peterburg, 2, 1907, (44-54, 
mit 1 Taf.). 147 
[Bianchi, V.] BiauKH, B. IlTHitLi 
ropo;ta C.-lIeTepdypnb. [Die Vogel der 
Stadt St. Petersburg.] Naturfreund, St. 
Peterburg, 2, 1907,(341-362). 148 
Bickerton, W. Notes on birds ob- 
served in Hertfordshire during the year 
1905. Hertford, Trans. Nat. Hist. Soc, 
13 , 1907, (49-64). 149 
Bidwell, E. Avdea cinerea nesting in 
Kew Gardens. London, Bull. Brit. 
Ornith. Cl, 19 , 1907, (86). 150 
Bigelow, Henry B. On hybrids 
between the M.allard (Anas bosehas) and 
certain other Ducks. Auk, Cambridge, 
Mass, N. Ser, 24 , 1907, (382-388). 151 
Binnie, W. Peculiar Blackbird’s eggs 
and their significance. Ann. Scot. Nat. 
Hist, Edinburgh, 1907 , (246-247). 152 
Bird, M. C. H. Incubation spots. 
British Birds, 1, 1907, (62, 63). 153 
[Birula, A.] BHpyjia, A. OuepitH 
no'j» jiciiaiin HTiiivi* itojuipnaro iiodepeiicwi 
OnfinpH. [Esquisses do la vie des 
oiseaux dans le littoral de la Siberie.] 
St. Peterburg, Mem. Ac. Sc, 8 Ser, 18 , 
2, 1907, (2 + xxxvi -f 157 mit 23 
Fig. i. T. u. 8 Taf.). 154 
Bishop, Louis B. The status of 
Ilelminthophila leucobronchialis and 
llelminthopliila laicrencei. Auk, Cam- 
bridge, Mass, N. Ser, 22, 1905, (21- 
24). 155 
Bishop, Louis B. The direction of 
flight in the fall migration at New 
Haven, Connecticut. Auk, Cambridge, 
Mass, N. Ser, 22 , 1905, (372-378). 156 
Bishop, Louis B. Notes on a small 
collection of California birds, with 
description of an apparently, unreco- 
gnised race of Hutton’s Vireo. Condpr, 
fasadeha, Cal, 7, 1905, (141-143). 157 
Blaauw, F. E. On a silvery-grey 
variety of the Linnet. London, Bull. 
Brit. Ornith. Cl, 19 , 1907. 158 
Blaauw, F. E. On hybrids between 
a Sheld-Duck and a Domestic Duck. 
London, Bull. Brit. Ornith. Cl, 19 , 
1907 (71). 159 
Blaauw, F. E. On a variety of Anser 
segebum. London, Bull. Brit. Ornith. 
Cl. 19, 1907 (70, 71). 160 
Blaauw. On the breeding of Sarcio- 
phorus in confinement. London, Bull. 
Brit. Ornith. Cl, 19, 1907, (102-104). . 
161 
Bladen, W. W. Bird notes (1906), 
chiefly taken at Stone. Stone, Rep. N. 
Staff. F. Cl, 41. 1907, (73-78). • 162 
Bladen, II. W. Pallas’s Sand-Grouse 
in Middlesex. British Birds, 1, 1907, 
(190). • 163 
Blake, Francis G. The nesting of 
Sbelgidopteryx serripennis in Norwich, 
Vt. Auk, Cambridge, Mass, N. Ser, 
24 , 1907, (103-104). 164 
Blake, Francis G. A New Hampshire 
record for Stelgidopteryx serripennis. 
Auk, Cambridge, Mass, N. Ser, 24 , 
1907, (104). 165 
Blake, Francis G. and Blake, Maurice 
C. Baird’s Sand-piper at Newfound 
lake, Hebron, N. H. Auk, Cambridge, 
Mass, N. Ser, 24 , 1907, (94-95). 166 
Blake, Maurice C. Notes from 
western New York. Auk, Cambridge, 
Mass, N. Ser, 24 , 1907, (224-226). 
{5827 gg\ 167 
Blake, Maurice C. vide Blake, F. G. 
Blanc, Jules. Un Merle Mauvis 
albino. Chalon-sur-Saone, Bui. soc. 
sci. nat, 33 , 1907, (227). 168 
Blanchard, Geo. G. The Blue Jay’s 
food. Bird Lore, Harrisburg, Pa, 9 , 
1907, (83). 169 
Blasius, Rudolf. Vogelleben an den 
deutschen Leuchttlxurmen. Ornis, Paris, 
12 , 1903-1904, (257-380). 169a 
Blasius, R. Die Pyrenaen und ilire 
Vogelwelt. Ornis, London, 14 , 1907, 
(554-579). - 170 
Blasius, R. Vortheile und Nachtheile 
moderner Arten- und . Unterarten-be- 
schreibung und Namengebuhg. Ornis, 
London, 14, 1907, (275-288). : \7 ; \ 
§lasius, R. vide Rofiweder, J. • 
