London: Zoological Society of London, 1909-1910. Quarto, 23 chromolithographic plates, one uncoloured. Contemporary half calf, some slight wear, all edges gilt, a fine clean copy.
The entire volume nineteen of the Transactions of the Zoological Society of London. The expedition to the Ruwenzori Mountains in what was then the British controlled Uganda Protectorate was sponsored by the British Museum (Natural History).
Price: $2,500.00 AU