This is a comprehensive review of the present knowledge of allergy, in which the literature on the subject is reviewed and discussed and nearly three thousand references are listed. The manifestations of allergy are considered individually, and the etiology, pathology, diagnosis and treatment are ably presented. The common allergic reactions are treated at length, and those which are less common are described and discussed in less detail.
The general form of the third edition remains essentially the same as that of the previous editions, although the older material has been revised and condensed and certain parts have been rewritten. In the chapter on distribution of pollens, the hay fever-producing plants of the British Isles have been classified, and their relative importance in causing hay fever has been considered. Except for this chapter, which deals with the flora of the British Isles only, the subject of allergy in general is well