I9I2] Lafayette B. Mendel 131 



and quality of food upon the growing organism : Dr. Hans Aron, 

 director of the scientific laboratory of the University Children's 

 Clinic, Breslau, Germany {presented by Prof. Lafayette B. Men- 

 del). — (F) Direct calorimetry of infants, with a comparison of the 

 results obtained by this and other methods: Dr. John Howland, 

 Professor of pediatrics, Johns Hopkins University, Baltimore, Md. 

 (page 139). 



4. Wednesday morning, September 25. The röle of in- 



ORGANIC SUBSTANCES IN THE NUTRITION OF MAN. {A) The antag- 



onistic action of salts : Dr. Jacques Loeb, head of the department of 

 experimental biology, Rocke feller Institute for Medical Research, 

 New York City. — (B) The distribution of soluble salts in living 

 cells and the forces Controlling it: Dr. Archibald B. Macalliim, pro- 

 fessor of biochemistry, University of Toronto, Canada (page 140). 

 — (C) The röle which common salt and water assume in the nutri- 

 tion of man : Dr. Hermann Strauss, professor of clinical medicine, 

 University of Berlin, Germany (page 141). 



5. Thursday morning, September 26. Practical dietetics, 

 {A) Cost and nutritive value of f oods : Dr. C. F. Langworthy, ex- 

 pert in charge of nutrition investigations, U. S. Department of 

 Agriculture, Washington, D. C. — {B) The influence of the prepara- 

 tion of food on its nutritive value : Dr. Max Riibner, professor of 

 physiology and director of the Physiological Institute, Berlin, 

 Germany. — (C) The choice of foods, with regard to disease: Dr. 

 Carl von Noorden, professor of internal medicine and director of 

 the First Medical Clinic, Vienna, Austria (page 143). — {D) Diet 

 in relation to disease, chiefly in relation to some forms of partial un- 

 derfeeding (beriberi and scurvy) : Dr. Axel Holst, professor of hy- 

 giene, University of Christiania, Norway. — {E) Diet and metabo- 

 lism in fever : Dr. Warren Coleman, Cornell University Medical 

 College, New York City (page 145). 



6. Thursday afternoon, September 26. Ventilation in its 

 HYGiENic ASPECTS, {A) Organic matter in the expired air: Dr. 

 Milton J. Rosenmi, professor of preventive medicine, Harvard Med- 

 ical School, Boston, Mass. — (B) A consideration of the unknown fac- 

 tors in the ill-effects of bad Ventilation: Dr. Yandell Henderson, 

 professor of physiology, Yale Medical School, New Haven, Conn. 

 (page 146). — (C) The hygienic physiology of work in compressed 



