Pp. 263, one folding half-tone plate. Publisher’s tan printed wrappers, 8vo. This is a facsimile reprint of the first edition published in London in 1788. This copy was reproduced from an original in the Arnold Arboretum. That original was inscribed by Thomas Walter to James M. Watson. It was later presented to Jacob Bigelow from Francis Parkinson. All of these signatures and annotations are preserved in this facsimile reprint. Text is in Latin.