'8 Aves. 
XVII. Aves. 
11920] 
Blackwood, G. G. Notes on the 
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Blakeslee, A. F. vide Harris. 
Blanchet, A. Notes d’ornithologic 
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Blathwayt, F. L. Some birds of the 
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Blathwayt,' F. L. Phonological 
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Blincoe, B. J. The Raptores of 
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Bloem, G. J. A. Opname van een 
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Ardea Wageningen 9 1920 (48-50) 
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Boettischer, H. v. Aus dem Lebon 
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Boetticher, H. v. Untersuchungen 
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Boker, H. Der Herbstgesang des 
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Monatschr. Magdeburg 44 1919 (62- 
72). 87 
Boker, H. Ein neuer Fundort des 
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Berlin 24 1916 (177-178). 87a 
Bolam, G The protection of wild 
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88 
Bolam, G. Ornithological Miscel- 
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Bolam, G. A new bird for the local 
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Bond, C. J. On certain factors con- 
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Bond, C. J. On the left-sided in- 
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92 
Bonhote, J. L. Notes on Egrets. 
Re-establishment of the Buff-backed 
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Bonhote, J. L. Address on Bird 
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Boring, A. M. vide Pearl. 
Bowles, J. H. vide Van Rossem. 
Boyd, A. W. Notes on a flock of 
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Braun, F. Ueber Beobachtungen am 
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96 
Bretseher, K. Dor Vogclzug in 
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Brinkmann, M. Die abweichende 
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Brinkmann, M. Verschwundene 
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99 
Brook, A. The Buzzard at Home. 
(1-15) 12 photos London (Witherby) 
1920 8vo. 100 
Brooks, A. Notes on some American 
Ducks. Auk Lancaster Pa. 37 1920 
(353-367) 2 pis. 3 text-figs. 101 
Brooks, A. Notes on the Limicolae 
of southern British Columbia. Condor 
Hollywood Cal. 22 1920 (26-32). 102 
Brooks, E. A. White-winged Cross- 
bill ( Loxia leucoplera) in West Virginia. 
Auk Lancaster Pa. 37 1920 (457). 103 
