Preface History of the Collection Abbreviations General Introduction The uses of Gems The choice of designs on gems The technique of gem engraving The materials used for ancient gems Appreciation and collecting of gems Gem engravers and their signatures Forgeries Catalogue I. Greek II. Etruscan and Italic III. Roman intaglios, first century b.c. to fourth cantury a.d. IV. Hellenistic and Roman Cameos and Works in the round, second century b.c. to fourth century a.d. Concordance of the numbers in the 1920 and the 1956 editions of the catalogue General index Index of inscriptions.