In order to help draw together the disparate strands of thought represented in this survey of public opinion research, and also to point out some of its shortcomings, the editors requested Dr. Pool to read all the foregoing articles in galley proof and write a critique which could be published along with them in the same issue. This he was able to do with remarkable celerity in the few days allowed for the purpose, and the editors believe that the reader will find his overview both a useful orientation and a stimulating contribution