Fig. 24

Fig. 24a

Fig. 24b

Again, I draw a volcano in eruption, and my wife calls it a black beetle, which hardly sounds like a triumphant success; but study the drawings, and you see that my black smoke happens to be the shape of a beetle, while the two sides of the volcano serve very well for the long feelers of an insect (Figs. [25], [25a]):

Fig. 25