The success of Starling's Physiology, as shown by reaching a third edition in eight years, is to be explained by the author's high standing as experimenter and teacher, by the clearness of the statement and well chosen arrangement of the work, and these warrant its use by beginners. There is one curious feature, over 100 pages, or almost one-eleventh of the total space, is devoted to vision. Perhaps, the vagaries of the medical book trade are to blame for this; perhaps, lack of time to condense the material into space proportionate to that of other topics. In strong contrast to this large chapter, the ear and its associated organs are discussed in a few pages. Perhaps, Bárány's work was made too prominent by certain specialists during the war, but that seems all the greater reason why a clear and authoritative summary should be given. Readers of theArchives of Internal