A decorative horizontal border consists of floral and foliate motifs.

The marginal text is printed vertically along the left edge.
...a friend entirely dear to me, one who is to me and all others an equal friend. Nor in profane matters only, but also in sacred, as you will see in the following, he is to me, and will be forever, a friend, and indeed one who can wait for the time, for [those who] are false with heaven and deceptive, from which malice they cannot be...

A decorative drop cap "L" begins the text.

FIG. I.

The crawling ant.

Let it be permitted to begin my Observations and Annotations with the ant, that most dreadful and busy little animal, which, by the help of the microscope, appears to be a truly miraculous creature, even looking like an ox, and most ferocious. Its eyes differ from the eyes of flies, for they are not latticed, but spotted, and stand out like hills, distinguished by many empty spaces between them. See Fig. B. But what is to be noted and observed is that this animal is equipped around the region of the mouth, not unlike an elephant, with teeth, or more correctly, black and curved pincers, with which it bites mortals, presses them, and emits poison, from which the hands not only swell, but the bites immediately redden in a momentary space of time. I saw these teeth through the microscope toward the mouth...