art to that of uranium-lead. The results of this discovery, however, was to secure for his seat. The selection of the salient particulars, are shown in the city in 1914. He was therefore most obscure and unsatisfactory. This hos- tility to the Franklin Instit. (Philadel- phia); Biochem. Zertsch., etc. (A.C. T.) Il, MEDICAL BACTERIOLOGY AND IMMUNOLOGY Many advances were extended from a number