1885 107 p., 6 figs, 14 lithographed plates, 3 maps, paperbound (back cover missing). A thorough revision with notes on the zoogeography of this group of large beetles with often spectacular mandibles, and with excellent plates with superb detailed drawings by Edwin Wilson. Some new species are included. Published in the Zoological Society of London's Transactions. Lower outer corner of front cover and first text leaf missing (not affecting the text), otherwise a good, clean copy. Horn-Schenkling II(2), p. 617.