STEP, Edward. Bees, Wasps, Ants & Allied Insects of the British Isles. Frederick Warne & Co. Ltd. 1932.
Small 8vo. Publisher's brown cloth with gilt elttering in original dustwrapper; pp. xxvi + 238, 44 colour plates, 67 photographic plates, text illustrations and 64 wing maps; very good.
First edition. A comprehensive and fascinating volume, with much detail on insect behaviour, by the prolific Step.