E. V. McCollum and N. Simmonds 
311 
3. McCollum, E. V., and Davis, M., J. Biol. Chem., 1915, xxi, 615; xxiii, 
181; McCollum, E. V., Simmonds, N., and Pitz, W., zbid., 1916, xxv, 
105; 1916-17, xxviii, 153; 1917, xxix, 341; xxx, 13. 
4. McCollum, E. V., J. Biol. Chem., 1914, xix, 323. 
5. Aron, H., Philippine J. Sc., B, 1909, iv, 195. 
6. Chittenden, R. H., and Underhill, F. P., Am. J. Physiol., 1917, xliv, 13. 
7. Goldberger, J., J. Am. Med. Assn., 1916, lxvi, 471. 
8. McCollum and Simmonds, /. Biol. Chem., 1917, xxxii, 29. 
9. Lunin, N., Z. physiol. Chem., 1881, v, 31. 
10. Forster, J., Z. Biol., 1873, ix, 297. 
11. McCollum and Simmonds, /. Biol. Chem., 1917, xxxii, 181. 
Salt Mixture 185. Salt Mixture 500. 
gm gm 
(CLO desis 0.178 NaClih: s.8e cea ores 0.5148 
MgSO, (anhydrous)......... 0.266 CaCly UA domes Sern ae 0.2569 
NaH,P0O,H.O RPS st ie.) erede ene el ee 0.347 K;HPO, a Toh silstacel akan eve: jatiereie temeker ie 0.3113 
ES) ee ein Sn 0 DO54e- Ke clirate. a. ese eae 0.5562 
ets 1d Oy ls BS 0 eRe ee 0.540 (GENE CEALO Svcs ete ae eee 2.878 
POMEL Sh eo. lee Ok wok 2 as 0.118 
(Op ds Re ag ed la oe De 1.30 
Nig CS Pree ate esa. 
Bae Bes dr 
K citrate H,0.... 
berths! 8 Pomc iety Ct aera ome ae 
Catlactate....:.. 
Tee gene ea ce iad 40 
