 Complete the following phrase:  Colocci was a Latin poet of some reputation among his learned contemporaries, an antiquarian whose understanding of ancient metrology and sacrificial implements were particularly outstanding, and a savant collector of Roman sculptures, inscriptions, medals and carved gems. His collection of sculptures was mentioned by Andrea Fulvio in Antiquitates Urbis 1527, a topographical guide to the citys ancient Roman ruins and remains. In connection with Pope Leo Xs commission to Raphael to draw the most accurate possible reconstruction of the Rome of the Caesars, Angelo Colocci and Baldassare Castiglione drafted the courtly covering letter, with emendations by Raphael, that was enclosed with the final project. A proportion of his considerable fortune was also expended in amassing one of the most impressive private libraries of his time, brutally treated at the 