SENESCENCE IN HIGHER ANIMALS AND MAN 291 



Koch, W. and M. L. 



1913. "Contributions to the Chemical Differentiation of the Central 

 Nervous System: III, The Chemical Differentiation of the Brain 

 of the Albino Rat during Growth," Jour, of Biol. Chem., XV. 



KovESi, G. 



1901. "tJber den Eiweissumsatz im Greisenalter," Zcntralbl. /. inncre 

 Med., XXII. 



LORAND, A. 



191 1. Das Altern, seine Ursachen mid seine Behandlung. Leipzig. 

 MCCOLLUM, E. V. 



1911. "The Nature of the Repair Processes in Protein Metabolism," 

 Am. Jour, of Physiol., XXIX. 



Magnus-Levy, A., and Falk, E. 



1899. "Der Lungengaswechsel des IVIenschen in den verschiedenen 

 Altersstufen," Arch. f. Physiol. Supplement-Band. 



Marchal, p. 



1904. Recherches sur la biologie et le developpcment des Hymenopteres: 



I, La polyembryonie ou germinogonie," Arch, de zool. Exp., 



(4) II. 

 Mendel, L. B. 



1914. "Viewpoints in the Study of Growth," Biochem. Bull., III. 



Metschnikoff, E. 



1903. The Nature of Man. English translation: New York and London. 

 1910. The Prolongation of Life. English translation: New York and 

 London. 



MiNOT, C. S. 



1891. "Senescence and Rejuvenation," Jour, of Physiol., XII. 

 1908. The Problem of Age, Growth and Death. New York. 

 1913. Moderne Probleme der Biologie. Jena. 



MUHLMANN, M. 



1900. Uber die Ursachc des Alters. Wiesbaden. 



1910. "Das Altern und der physiologische Tod," Sanimluiig aiiat. u. 

 physiol. Vorlr., XI. 



Osborne, T. B., and Mendel, L. B. 



191 ic. "Feeding Experiments with Isolated Food-Substances," Parts I 

 and II. Carnegie Inst., Publ. 156. 



igiib. "The Role of Different Proteins in Nutrition and Growth," Sci- 

 ence, XXXIV. 



1912a. "Beobachtungen iiber Wachstum bei Futterungsversuchcn mit 

 isolierten Nahrungssubstanzen,"Ze//5c//r./. physiol. Chem.. LXXX. 



19126. "The Role of Gliadin in Nutrition," Jour, of Biol. Chem., XII. 



