See the Theodosian Code, 1. ix. tit. 14, ad legem Corneliam de Sicariis, leg. 3, and the Code of Justinian, 1. ix. tit. viii. ad legem Juliam de Majestate, leg. 5. The alteration of the title, from murder to treason, was an improvement of the subtle Tribonian. Godefroy, in a formal dissertation, which he has inserted in his Commentary, illustrates this law of Arcadius, and explains all the difficult passages which had been perverted by the jurisconsults of the darker ages. See tom. iii. p. 88-111,