Published in Proceedings of The Zoological Society of London, in 1851, in volume 18, pages 95-97

Published in Proceedings of the Zoological Society of London, in 1851, in volume 1850, pages 91-95

Published in Proceedings of the Zoological Society of London, in 1851, in volume 1850, pages 97-98

Published in Proceedings of the Zoological Society of London, in 1851, in volume 1850, pages 200-201

Published in Proceedings of The Zoological Society of London, in 1851, in volume 1851, pages 126-127