Malaria prevails to a serious degree in a large number of the villages of Cyprus. The chief vectors are A. elutus (sacharovi) and A. superpictus, which are the more dangerous on account of the small number of cattle and other domestic animals present in the villages at night. The amount of malaria seems entirely out of proportion to the extent of the water available for anopheline breeding, at least during the rainless summers. Our conclusions agree with those of Ross, that an attack on the mosquitoes is the measure most likely to give the best results. We would recommend that the work initiated by him and now in progress be continued and extended along the lines indicated in this report.