Herbert Edward Douglas Blakiston, Dictionary of National Biography (1901)
“ During Blakiston's residence at Hakodate he paid great attention to the ornithology of Yezo. He made an extensive collection of birds, which is now in the museum at Hakodate, and in 1878 compiled, with Mr. H. Pryer of Yokohama, a catalogue of the avifauna of Japan (Ibis, 1878, pp. 207–50) , revised and republished in the ‘Transactions of the Asiatic Society of Japan’ in 1880 and 1882, and finally in London in 1884. He demonstrated that the birds of Yezo belong to the Siberian as distinct from the Manchurian sub-region of the Palæarctic region ”
