1870-1875 pp. 17-371, 1-56 p., all 12 parts with original covers. Last two parts disbound but with original covers. A few parts with worn spines. This journal contains papers by leading entomologists of the day including: Arthur Gardiner Butler, G.R. Crotch, T.V. Wollaston, Edward Saunders, Francis Walker and O.E. Janson. With many descriptions of new species, mostly Coleoptera and Lepidoptera.