Includes a description and illustration of the Pacchionian bodies of the arachnoid tissue under the dura, producing by pressure slight depressions (“Pacchionian depressions”). See also Pacchioni’s De durae meningis fabrica et usu disquisitio anatomica (Rome: D.A. Herculis, 1701). Digital facsimile of the 1701 work from Google Books at this link.