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.
END OF PART I.