I9I2] Columbia Biochemical Department 517 



secured by him in the forests of Germany during the autumn of 

 1911. 



An extremely handy volume by Dr. A. D. Selby on plant dis- 

 eases, consisting of a general treatment, a special part on Ohio 

 plant diseases, and a classified bibliography, has recently been 

 issued as Bulletin 214 of the Ohio Agricultural Experiment Station. 



IV. COLUMBIA BIOCHEMICAL DEPARTMENT 



Professor Gies has recently delivered addresses before a Lu- 

 theran Brotherhood in Jersey City, on "Life and someof its mys- 

 teries" (Jan. 16) ; before the New York Institute of Stomatology, 

 on "The need for chemical investigation of dental caries " (Feb. 

 19) ; the Columbia chapter of Sigma Xi, on " The chemistry of 

 digestion" (Mar. 13) ; and the Pennsylvania chapter of Sigma Xi, 

 on "Chemistry in the service of biology" (Mar. 29). He repre- 

 sented the Gettysburg Board of Trustees among the Speakers at the 

 dinner of the New York Gettysburg Club in honor of his Yale class- 

 mate, President Granville of Gettysburg College (April 10). He 

 will also address the Franklin Institute, Philadelphia, on " Chemical 

 defences of the organism against disease" (Apr. 25), and the 

 Forty-fourth Annual Meeting of the Dental Society of the State of 

 New York, on the "Origin, significance and possible relation of 

 sulfocyanate to dental caries" (May 10). 



Dr. Mosenthal is now in Europe devoting himself to a con- 

 tinuance of his studies of nephritis, under the auspices of the 

 Edward N. Gibbs Memorial Prize Fund. 



At the request of about sixty students at Teachers College, Pro- 

 fessor Gies is giving a special course of weekly lectures there on 

 " Nutrition in disease." 



Dr. Rosenbloom recently delivered a lecture, by invitation, be- 

 fore the Pittsburgh Academy of Medicine, on "The chemistry of 

 diabetes mellitus" (Apr. 9). 



Dr. Clark has been reelected an associate editor of the Bulletin 

 of the Torrey Botanical Club. 



Dr. Eddy has been elected a member of the American Chemical 

 Society. 



