TITLES. 
Aves 5 
56. Berry, W. White-fronted Geese in Fife. Ann. Scott. Nat. Hist. 
1899, p. 182. [ Anseriform.es .] 
57. Betham, R. M. Occasional notes on birds’ nesting in the neighbour¬ 
hood of Poona. J. Bombay Soc. xii, pp. 778-782. 
58. Bianchi, Y. Uebersicht der Arten der Gattung Tetraogallus Gray. 
[Transl. M. Harms.] J. Ornith. 1899, pp. 421-434. [Galliformes.\ 
59. Bidwell, E. Exhibition of abnormal nests of British birds. Bull. 
B. 0. C. viii, pp. xxxvi-xxxviii. 
60. -. Exhibition of a Great Auk’s egg. Op. cit. x, p. xxxiii. \_Alci- 
formes .] 
61. Biedermann, R. On the colour of the head in the Condor. Ornith. 
Monber. vii, p. 9. [Accipitriformes. ] 
62. Biro, L. Ueber Stimme und Namen der Vogel auf Neuguinea. T. c. 
vii, pp. 73-76. 
63. Birtwell, F. J. An example of aptosochromatism, as influenced by 
diet, in Megascops asio. Auk xvi, pp. 313-318. [Strigiformes.] 
64. Blaauw, F. E. On the breeding of the Weka Rail and Snow-Goose in 
captivity. P. Zool. Soc. London 1899, pp. 412-415. [ Ralliformes , 
A nseriformes. ] 
65. -. The Little Bunting ( Emberiza pusilla) in Holland in January. 
Ibis 1899, pp. 330 & 331. \Fringillidce.\ 
Bladen, W. Wells. [See Rey, E. (518).] 
66. *Blanchan, N. Birds that hunt and are hunted. Life histories of one 
hundred and seventy birds of prey, Game birds and Water fowls. 
With introduction by G. 0. Shields. New York, 1898, 8vo, xii, 359 pp. 
48 pis. 
67. Blundell, H. Weld & Lovat, Lord. New species of Abyssinian 
birds. Bull. B. 0. C. x, pp. xix-xxiii. [ Oriolidce , Ploceidce , Sylviidce , 
Turdidce , Hirundinidce , Capitones , Capriinulgi , Phasiani .] 
Bocage. [See Barboza du Bocage, J. Y. (42).] 
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. 1899, pp. 65-72. 
69. Bolau, H. Die Typen der Vogelsammlung des Naturhistorischen 
Museums zu Hamburg. Jahrb. Hamburg Anst. xv, pp. 47-71. 
70. Bond, F. Capture of the Brown Pelican in Wyoming. Auk xvi, 
p. 351. [ Pelecaniforrnes. ] 
71. Bonhote, J. L. A list of birds collected on the Island of New 
Providence, Bahamas. Ibis 1899, pp. 506-520. [ Mniotiltidce , Tana- 
gridce , Charadriidce.\ 
72. -. On birds from the Bahama Island. Bull. B. 0. C. viii, p. 1. 
73. -. On Minus polyglottus in the Bahamas. T. c. p. liv. \Mimidcei] 
74. -. On the moulting of Divers. Op. cit. x, p. vii. [ Colymbiformes. ] 
Borrer, W. Obituary. Ibis 1899, p. 168. 
75. Boyce, R. & Warrington, W. B. Observations on the anatomy, 
physiology and degenerations of the nervous system of the bird. 
P. R. Soc. London lxiv, pp. 176-179. 
