Published in Proceedings of The Zoological Society of London, in 1919, in volume 1919, pages 17-20

Published in Proc. Zool. Soc. London, in 1919, in volume 1919, pages 79-81

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, pages 117-171

Published in Proceedings of The Zoological Society of London, in 1919, in volume 1919, pages 309-319

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, pages 349-355

Published in Proceedings of The Zoological Society of London, in 1919, in volume 1919, pages 399-404

Published in Proceedings of The Zoological Society of London, in 1919, in volume 1919, pages 441-451

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 1-11

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 7-8

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 9-10

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 11-13

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 13-16

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 15-17

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 21-27

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 29-30

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 31-69

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 71-78

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 83-109

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 111-116

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 173-202

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 203-218

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 1-2, pages 219-225

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 227-244

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 245-266

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 267-307

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 321-326

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 327-340

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 341-348

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 357-364

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 365-397

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 405-422

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 423-432

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 433-435

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 437-439

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 453-457

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 459-461

Published in Proceedings of the Zoological Society of London, in 1919, in volume 1919, issue 3-4, pages 463-499