Vol. II September, 1912 No. 5 



Biochemical Bulletin 



Edited, for the Columbia University Biochemical Association, by the 

 EDITORIAL COMMITTEE: 

 ALFRED P. LOTHROP, Chöirman, 

 PAUL E. HOWE, Secretary, WILLIAM J. GIES, Treasurer, 



WALTER H. EDDY, EDGAR G. MILLER, JR., 



NELLIS B FOSTER, HERMAN O. MOSENTHAL, 



FREDERIC G. GOODRIDGE, JACOB ROSENBLOOM, 



TULA L. HARKEY, EMILY C. SEAMAN, 



JOSEPH S. HEPBURN, CLAYTON S. SMITH, 



ARTHUR KNUDSON, ETHEL WICKWIRE, 



all of the Staff of the Biochemical Department of Columbia University. 



CONTENTS 



PAGB 



Ernst Schulze. Biography and Bibliography (with portrait) Ernst Winterstein i 



A ReSUME of the LiTERATURE OX InOSITE-PhOSI'HORIC AcID (" PhYTIN "), WITH 



Special Reference to the Relation of that Substaxce to Plants. 



Anton Richard Rose 21 

 A New Type of Artificial Cell Suitable für Permeability and other Bio- 

 chemical Studies. E. Newton Harvey . 50 



On a New Function of the Catalyzer Called Peroxidase and on the Bio- 

 chemical Transformation of Orcin into Orcein. ßiles Wolff. 53 



Studies of Diffusion Through Rubber Membranes : 



i. Preliminary observations on the diffusibility of lipins and lipin-soluble sub- 



stances. Williajn J. Gies 55 



2. Diffusibility of lipins from ether through rubber membranes into ether. 



Jacob Rosenbloom 64 



3. Diffusibility of protein through rubber membranes, with a note onthe dis- 



integration of collodion membranes by common ethyl ether and other 

 solvents. William H. Welker 7° 



4. The comparative diffusibility of various pigments in different solvents. 



George D. Beal and George A. Geiger 78 

 The Colloidal Nitrogen in the Urine from a Dog with a Tumor of the 



Breast. Max Kahn and Jacob Roseitbloom 87 



General Aspects of Fasting. Paul E. Hoive 90 



The "Physico-Chemical Basis for the Contraction of Striated Muscle: 



2. Surface tension (with plate i). William N. Berg lOi 



A Study of some Protein Compounds. Walter H. Eddy iii 



Effects of Intraperitoneal Injections of Epinephrin on the Partition of 



Nitrogen IN Urine from A Dog. Jacob Rosenbloom and William Weinberger 123 

 The Biochemical Society, England. W. D. Halliburton 128 



PrOCEEDINGS of the SeCTION (II) ON DiETETIC HYGIENE AND HYGIENIC PhYSI- 



ology of the 15TH International Congress on Hygiene and Demog- 



raphy, with Abstracts of some of the Papers. 



Lajayette B. Mendel, Secretary 129 

 Program of the Proceedings of the Section on Biochemistry Including 



Pharmacology (viii, d), of the Sth International Congress of Applied 



Chemistry. John A. Mandel, Secretary 150 



Proceedings of the Sixth Scientific Meeting of the Columbia University 



Biochemical Association. Alfred P. Lothrop, Secretary 156 



Biochemical News, Notes and Comment 188 



Editorials 205 



NEW YORK 



Columbia University Biochemical Association. 



Entered as second-class matter in the Post Office at Lancaster, Pa. 



