Baird, W. 1863. Descriptions of some new species of shells, collected at Vancouver Island and in British Columbia, by J.K. Lord, Esq., naturalist to the British North-American Boundary Commission, in the years 1858-1862. Proceedings of the Zoological Society of London 1863: 66-70. Available electronically.
Baird, 1863. Proc. Zool. Soc. London 1863: 69.
Baird, 1863. Proc. Zool. Soc. London 1863: 69.