Fic. 1 Showing the influence of heat and cold on the pupse of some butter- 
thes. Vanessa antiopa: Fig. 1, effect of heat; of cold, Figs. 2 and 3. Vanessa 
cardui: Fig. 5, effect of heat: Fig. 6, effect of cold. Vanessa atalanta: Fig. 7, 
effect of heat: Fig. &, effect of cold. Fig. 4, Vanessa pollychloros, aberratio 
dixeyt, effect of cold. (After Standfuss.) 
