WATER CONTENT — MAMMALIAN NERVOUS SYSTEM 451 



LITERATURE CITED 



Donaldson, H. H. 1910 On the percentage of water in the brain and in the 



spinal cord of the albino rat. Jour. Comp. Neur., vol. 20, no. 2, pp. 



119-144. 



1911 The effect of underfeeding on the percentage of water, on the 



ether-alcohol extract, and on meduUation in the central nervous 



system of the albino rat. Jour. Comp. Neur., vol. 21, no. 2, pp. 139-145. 



1915 The Rat. Memoirs of the Wistar Institute of Anatomy and 



Biology, no. 6, pp. 1-278. 

 Dunn, E. H. 1912 The influence of age, sex, weight and relationship upon the 



number of medullated nerve fibers and on the^size of the largest fibers 



in the ventral root of the second cervical nerve of the albino rat. 



Jour. Comp. Neur., vol. 22, no. 2, pp. 131-157. 

 Koch, W. and Koch, 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. J. of Biol. Chemistry, vol. 



15, no. 3, pp. 423-448. 

 LowREY, L. G. 1913 The growth of dry substance in the albino rat. .\nat. 



Rec, vol. 7, pp. 143-168. 

 DE Regibu-s, C. 1884 Determinazione dell' acqua contcnuata nellc sostanze 



grigia e bianca del cervello umano. Atti. d. reale Accad. di Med. 



di Torino, vol. 6, pp. 323-32S. 

 Smith, J. L. and Mair, W. 1908 An investigation of the principles underlying 



Weigert's method of staining medullated nerve. J. of Pathology and 



Bacteriology, vol. 13, pp. 14-27. 

 Tribot, J. 1905 Sur les chaleurs de combustion et composition chimiqiio dcs 



tissus nerveux et musculairc chez le cobaye, en fonction de I'age. 



C. R. Acad. Sc. Paris, T. 140, pp. 1565-1566. 

 Watson, J. B. 1903 Animal education. Contributions from the Psychol. 



Lab. of the University of Chicago, vol. 4, no. 2. Univ. of Chicago 



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 Weisbach, a. 1868 Der Wasscrgchalt des Gehirns nach Alter, Geschlecht und 



Krankheiten. Med. Jahrbiicher, vol. 16, nos. 4 and 5, pp. 1-76. 



