Fig. 16. _Papilio Ajax_, var. _Telamonides_, winter form.
Fig. 17. _P. Ajax_, var. _Marcellus_, summer form.
Fig. 18. _Plebeius Agestis_ (_Alexis_, Scop.), German winter form.
Fig. 19. _P. Agestis_ (_Alexis_, Scop.), German summer form.
Fig. 20. _P. Agestis_ (_Alexis_, Scop.), Italian summer form. (The
chief difference between figs. 19 and 20 lies on the under-side, which
could not be here represented.)
Fig. 21. _Polyommatus Phlæas_, winter form, from Sardinia; the German
winter and summer generations are perfectly similar.
Fig. 22. _P. Phlæas_, summer form, from Genoa.
Fig. 23. _Pararga Ægeria_, from Freiburg, Baden.
Fig. 24. _P. Meione_, southern climatic form of _Ægeria_ from Sardinia.