Connective Tissues

also serves to emphasize the areas of agreement and disagreement, so that the non-specialized reader can formulate an intelligent impression of the "firmness" of the various current concepts in the field. In addition to the discussions of the relation between lipids and arteriosclerosis, the Conference gave brief consideration to renal pressor substances and physical factors related to hypertension and arteriosclerosis. The publication of these transactions is a highly commendable endeavor, and this particular report should be valuable to the expert on hypertension as well as to the interested student. F. D. GRAY, JR.