Published in Proceedings of the Zoological Society of London, in 1889, in volume 1888, pages 512-531
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1888, pages 534-536
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 1-6
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 6-7
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 7-25
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1889, pages 27-32
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 32-34
Published in Proc. zool. Soc. Lond., in 1889, in volume 1889, pages 34-46
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 47-49
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 50-51
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 51-56
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 60-66
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 67-69
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1889, pages 70-72
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 73-75
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 75-77
On certain Points in the Anatomy of the Accipitres, with reference to the Affinities of Polyboroides
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 77-82
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 82-84
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 88-95
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 96-111
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 112-117
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 117-135
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1889, pages 136-142
Published in Proc. Zool. Soc. London, in 1889, in volume 1889, pages 143-145
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 145-151
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1889, pages 151-158
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 159-160
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 161-190
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 190-200
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 201-207
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 208-210
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 210-215
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 216-219
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 220-228
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 228-236
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1889, pages 236-246
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1889, pages 247-250
Published in Proc. zool. Soc. Lond., in 1889, in volume 1889, pages 250-252
Published in Proceedings Zoological Society London, in 1889, in volume 1889, pages 297-303
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 321-325
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 332-355
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 356-372
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 372-377
Published in Proceedings of the Zoological Society of London, in 1889, in volume 1889, pages 377-382
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 394-395
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 396-432
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 432-433
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 433-440
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 440-444
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 445-447
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 452-474
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 474-571
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 572-577
Published in Proceedings of The Zoological Society, in 1889, in volume 1889, pages 577-582
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 583-585
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 587-594
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 594-602
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 602-613
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 613-620
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 622-624
Published in Proceedings of The Zoological Society of London, in 1889, in volume 1889, pages 625-643