1 PONTIA CHARICLEA MALE (EARLY WHITE CABBAGE B)
2 PONTIA METRA MALE (HOWARDS WHITE)
3 PONTIA SABELLICAE FEMALE (DUSKY VEINED WHITE)
incisione in coloritura coeva / engraving colored at time, " The Naturalist Library, London, 1860
cm. 16,27 x 10,63 inches 6,40" x 4,18"