THE literature on sinus to be included in the review for 1945 was much more extensive than that included in reviews during the early days of the war. This is partly due to the arrival of foreign journals previously held up for obvious reasons. The back numbers of Acta Otolaryngologica, for instance, arrived en masse, filling the gap as far back as 1941.
Nothing startling has appeared, however, and the pattern follows the general trend of previous years. It is to be noted, nevertheless, that much attention is being paid to general hygienic measures, allergy and conservative therapy. Aerosinusitis received fuller consideration than at any previous time and, from the material presented, seems to be a well established clinical entity.
ANATOMY, PHYSIOLOGY AND PATHOLOGY
De Castro Lima and Villela1 report the results of their study of thirty skulls on the matter of the sphenoid ostium. They found in most cases