Obv.: Head of Agrippa. Cos III., i.e., B.C. 27. Rev.: Emblematical figure and S. C. (Senatus Consulto).

Obv.: Head of Augustus with official titles. Rev.: Head of same with radiated crown and the Julian star.

Obv.: Head of Sext. Pompeius. Rev.: The same with titles, Præfectus classis et oræ maritime.

To face page 16.

CHAPTER II
THE ROMAN EMPIRE AT THE DEATH OF IULIUS CÆSAR

Vicinæ ruptis inter se legibus

urbes Arma ferunt; sævit toto

Mars impius orbe.

Natural boundaries of the Roman Empire.