Published in Proc. Zool. Soc. London, in 1890, in volume 1890, pages 31-40
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 40-44
Published in Proceedings of the Zoological Society of London, in 1890, in volume 1890, pages 52-69
Published in Proc. zool. Soc., London, in 1890, in volume 1890, pages 77-86
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 114-141
Published in Proceedings of the Zoological Society of London, in 1890, in volume 1890, pages 244-247
Published in Proc. Zool. Soc. Lond., in 1890, in volume 1890, pages 247-317
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 317-322
Published in Proceedings of the Zoological Society of London, in 1890, in volume 1890, pages 323-328
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 346-353
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 403-411
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 443-450
Published in Proceedings of the Zoological Society of London, in 1890, in volume 1890, pages 452-459
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 493-520
Published in Proceedings of the Zoological Society of London, in 1890, in volume 1890, pages 546-552
Published in Proc. Zool. Soc., Lond, in 1890, in volume 1890, pages 619-620
Published in Proc. zool. Soc. Lond., in 1890, in volume 1890, pages 620-629
Published in Proceedings of The Zoological Society, in 1890, in volume 1890, pages 637-646