TITLES. 
Aves 5 
58. Biedermann, G. von. Ornithologisches aus Jagdzeitschriften. Ornith. 
Monber. v, pp. 106-109. 
59. . Ueberwinternde Schwalben. T. c. pp. 76-78. \Hirundinidce.'] 
60. Biedermann, B. Jugendfarbungen von Iris und Gefieder (Ein Hin- 
weis auf die systematische Verwertung derselben). Ornith. Jahrb. 
viii, pp. 1-6. 
61. . Die Federn im Magen der Podicipes-Arten. T. c. pp. 6-8. 
[Podicipedidiformes. ] 
62. . Raubvogelzug in der holsteinischen Kustengegend. T. c. 
pp. 9 & 10. 
63. Bingham, C. T. The Great Indian Hornbill in the wild state. 
J. Bombay Soc. xi, pp. 308-310. [ Bucerotes .] 
Bird, M. [See Gurney, J. H. (220).] 
64. Blaauw, F. E. A monograph of the Cranes. Leiden and London : 
1897, folio, viii & 67 pp., 18 pis. [ Gruiformes .] 
65. Black, E. W. Nesting habits of Empidonax imulicola. Auk, xiv, 
pp. 405 & 406. [Tyrannidce.\ 
66. Blanford, W. T. The Nopal Wild Swan ( Cygnus musicus not 
C. bewicki). J. Bombay Soc. xi, p. 306. [Ansenformes.'] 
67. Blasius, W. Circus pallidus breeding near Brunswick. J. Ornith. 
1897, p. 510. \Accipitriformes] 
68. Bolam, G. A list of the birds of Berwick-on-Tweed, with special 
reference to “ The Birds of Berwickshire,” and notices of the 
occurrence of some of the rarer species in the adjoining districts. 
Ann. Scott. Nat. Hist. 1897, pp. 5-14 & 79-88 (continued from 1896, 
p. 93). 
69. Bonhote, J. L. Breeding of Corn-crakes in confinement. Zoologist, 
1897, 35 pp. [Ralliformcs.'] 
70. Borggreve, B. Die Wirbelthiere des Regierungsbezirks Wiesbaden. 
Jahrb. nassau. Yer. 1, pp. 147-165 & 167-175. 
Bouillet, M. [See Olivier, E. (381).] 
71. Brewster, W. On the nomenclature of certain forms of the Downy 
Woodpecker ( Dryobates pubescens). Auk, xiv, pp. 80-82. [Pici- 
formes.] 
72. Briggs, A. Bird notes from North Ronaldshay, Orkney. Ann. Scott. 
Nat. Hist. 1897, pp. 153-160. \Ardeiformesi\ 
73. Broom, R. On the anatomy of a four-winged Chick. Tr. Nat. Hist. 
Soc. Glasgow (2) iv, pt. iii, pp. 315 & 316. [Galliformes.~\ 
74. Bryan, G. H. On the sailing flight of birds. Rep. Brit. Assoc. 1896, 
pp. 726-728. 
75. Bryden, H. A. Nature and sport in South Africa. London : 1897, 
small 8vo, xvi & 315 pp., Birds, pp. 1-109. 
76. Buchner, E. Ueber neue und selt-ene Arten der Ornithologischen 
Fauna des St.-Petersburger Gouvernements. Annuaire Mus. St. 
Petersb. 1897, pp. 453-462. 
77. Buckley, T. E. Osprey in Inverness-shire. Ann. Scott. Nat. Hist. 
1897, p. 43. [Accipitriformes.\ 
78. . Snowy Owl in Sutherland. T. c. p. 43. [Strigiformes.'] 
