London: John Murray, 1872. First edition, second issue with the "htat" misprint on the first line of page 208. Hardcover. 12mo - 5 x 7 � . 374 pp. vi, 374 pp; 21 figs.; 7 helio type plates; 4-page catalogue of publisher's ads (dated November 1872). Fair. The boards are rubbed and soiling with fraying to the extremities. � split to the tail of the spine. Notes in pencil on the verso of the front free endpaper and on the recto of the rear front endpaper. Previous owner s name and date in ink on the title page. The text appears unmarked. The binding is shaken and split in areas; the front and rear hinges are cracked. Otherwise the binding is still intact.