British Dragonflies (Odonata) by William John Lucas published by L. Upcott Gill of London, 1900
William John Lucas FRES (1858-1932) was an authority on British Orthoptera, Odonata and Neuroptera. In his British Dragonflies, published in 1900, he described 39 British species.
'Plate IV. Libellula depressa'.
Published by L. Upcott Gill of London, 1900