1901 (reprint n.d.) xiv, 602 p., 34 coloured plates, 4to, hardbound (gilt title on spine and front cover).In all Romanoff published 9 volumes, but of volume 8 nearly all copies were destroyed by fire. Nowadays only 10 original copies remain. This was the main reason for making this facsimile reprint. This is the ''Monographie des Phycitinae et des Galleriinae''.