334 JOSEPH HALL BODINE 



LITERATURE CITED 



1 OsTERHOTJT 1918 Jour. General Physiol., vol. 1, p. 171. 



2 Haas 1917 Science, vol. 46, p. 462. 



3 Gtjstafson 1918 Jour. General Physiol., vol. 1, p. 181. 



4 Brooks 1918 Jour. General Physiol., vol. 1, p. 193. 



5 Thomas 1918 Jour. General Physiol., vol. 1, p. 203. 



6 Irwin 1918 Jour. General Physiol., vol. 1, p. 209. 



7 BoDiNE 1921 Jour. Exp. ZooL, vol. 32, no. 1, p. 137. 



8 Jacobs 1920 American Naturalist, vol. 54, p. 91. 



9 McClung 1918 Anat. Rec, vol. 14, no. 5, p. 265. 



10 Lund 1919 Biol. Bull., vol. 36, p. 105. 



11 Tashiro 1917 A chemical sign of life. Chicago. 



