410 THE VITAMINES 



215. LUMIERE, AUGUSTE : Le mythe des symbiotes. Masson, Paris, 1919. 



216. RANG, A. : Bioenergesis et la the"orie des symbiotes de Paul Portier. 



L'ind. chim. 6, 136, 1919. 



217. POBTIER, P. AND RANooiN, LuciE : La production des vitamines dans 



les intestins des lapins, relevant une nourriture sterilised a haute 

 temperature. C. r. 170, 478, 1920. 



218. LUND: Am. J. Physiol. 47, 167, 1918. 



219. CALKINS, G. W. AND EDDY, W. H. : The action of pancreatic vitamine 



upon the metabolic activity of Paramecium. Proc. Soc. Exp. 

 Biol. Med. 14, 162, 1917. 



220. FLATHER, MARY DRUSILLA: Effects of polished and of unpolished rice 



upon the metabolic activity of^ Paramecium. Biol. Bull. 36, 54, 

 1919. 



221. CHAMBERS, MARY H. : Effect of some food hormones and glandular 



products on the rate of growth of Paramecium caudatum. Ibid. 

 36, 82, 1919. 



222. PETERS, R. A. : Nutrition of the protozoa. The growth of Paramecium 



in sterile culture medium (Prelim. Comm.). Proc. Physiol. Soc. 

 Febr. 21, 1920, J. Physiol. 53, CVIII, 1920; 54, L, 1920; The sub- 

 stances needed for the growth of a pure culture of Colpidium 

 colpoda. J. Physiol. 55, 1, 1921. 



223. GOLDFARB, A. J. : A study of the influence of lecithin on growth. Proc. 



Soc. Exp. Biol. Med. 4, 159, 1907. 



224. The same. Does lecithin influence growth? Arch. Entw. Mech. 29, 



255, 1910. 



225. CARREL, A. : Technique for cultivating a large quantity of tissue. J. 



Exp. Med. 15, 393, 1912. 



226. The same. On the permanent life of tissues outside of the organism. 



Ibid. 15, 516, 1912. 



227. The same. Handb. der biochem. Arbeitsm. 6, 519, 1912. 



228. CARREL AND BURROWS : An addition to the technique of the cultivation 



of tissues in vitro. J. Exp. Med. 14, 244, 1911. 



229. CARREL, A. : Artificial activation of the growth in vitro of connective 



tissue. Ibid. 17, 14. 



230. WALTON, A. J. : The influence of internal secretion glands on growth. 



Ibid. 20, 554, 1914. 



231. LOEB, JACQUES: The simplest constituent required for growth and the 



completion of the life cycle in an insect. Science 41, 169, 1915. 



232. The same. The salts required for the development of insects. J. 



Biol. Chem. 23, 431, 1915. 



233. LOEB, JACQUES AND NORTHROP, J. H. : Nutrition and evolution. J. 



Biol. Chem. 27, 309, 1916. 



234. The same. The influence of food and temperature upon the duration 



of life. Ibid. 32, 103, 1917. 



235. NORTHROP, JOHN H. : The effect of prolongation of the period of growth 



on the total duration of life. Ibid. 32, 123, 1917. 



236. The same. The role of yeast in the nutrition of an insect (Drosophils) . 



Ibid. 30, 181, 1917. 



