As one skims publications of the last half century in order to put together lists of the observations from more than 12,000 sterile unions, certain items stand out. Noteworthy is the multiplicity of entry in the column of "causes," and the paucity and smallness of figures in the column under "cures." One remarks how the male, his works, are shirked in the matter of full examination or detailed report, and that his defects are nowhere, as far as we can determine, directly correlated with those of the wife in any complete or detailed study. The most striking omission, however, is the following. Painstaking authors have rendered high service in books or monographs that collect other men's published summaries, with elaborate bibliographies. Each may give figures drawn from 200 to 600 personal case histories. None show any report or tabulation of all cases, case by case, listing all pertinent data, either