Ephemeri vita, or, The natural history and anatomy of the Ephemeron, a fly that lives but five hours written originally in Low-Dutch by Jo. Swammerdam ...
Swammerdam, Jan, 1637-1680., Tyson, Edward, 1650-1708.
Figure 2.

Representeth in some manner how the wings do expand, which to apprehend more clearly, it ought to be known that the wing represented in the first Figure of the third Plate, with the letters, hhh, is there represented with its natural foldings; and is here re∣presented in the manner how it by degrees doth expand, and loseth its neat pleats and folds.