Quarto. 39 leaves. Without terminal blank leaf. Recent calf-backed marbled boards, ruled and lettered in gilt. Rubbed, joints starting. Marbled endpapers, inked ownership inscription of Sybil Cooper to front blank fly-leaf, dampstaining to latter half of text-block.

A rare late sixteenth-century medical treatise on the external senses and memory by Sicilian physician Sebastian Petraficta.

OCLC records copies at just 10 locations (Basel, BL, Cambridge, Erlangen-Nürnberg, Herzog August, Leiden, NLM, Oxford, Tübingen, and Wrocław).