Lot Essay
"Casserius investigated the structure of the auditory and vocal organs in most of the domestic animals. The book includes a description of the larynx more accurate than that of any previous author, and is also notable for its fine illustrations" (Garrison & Morton 286). Casserio was the manservant of Girolamo Fabrici who taught him the art of dissection and encouraged his medical studies. Norman describes the work as "one of the sixteenth century's most ambitious and detailed investigations in comparative anatomy."