garrisons throughout the Balkans. Such few air attacks as have been made against the vulnerable land communications have temporarily interrupted vital railways to Bulgaria and Greece. PROSPECTS FOR THE FUTURE Bulgaria 9. Intermittent air raids, as opportunity offers, on targets in Bulgaria should at least accentuate the existing confusion and discontent. The position in Sofia should be watched to see whether further bombing of that city is necessary to prevent resumption of administrative and industrial activity there, or whether future raids could with greater effect be directed against the few other cities of any size in Bulgaria.