The life-history of Psylla isitis Buckt. (Psyllopa punctipennis, Crawford) the "psylla" disease of indigo - Grove, A. J.; Ghosh, C. C. (Calcutta, Published for the Imperial Dept. of Agriculture in India by Thacker, Spink & Co.; London, W. Thacker & Co., 1914)
Each plate accompanied by guard sheet with descriptive letterpress.