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"