Keywords: Naiad - Libellula depressa.jpg Drawing of Libellula depressa Naiad x5 Mentum and palpi x6 Lucas William John The Aquatic Naiad Stage of the British Dragonflies Paraneuroptera Plate XVI The Ray Society London 1930 1930 William John Lucas 1858-1932 Dead for more than 70 years PD-Art Libellula depressa Dragonflies and damselflies in art |