144 GROWTH AND METABOLISM 



304 wiNTERMANS, J. F. G. M., and TjiA, J. E, (1952). Proc. KoH. Ned. 



Akad. Wetensch. Amsterdam, C, 55, 34-9 (11) 

 805 wiTSCH, H. VON (1946). NatuYwissenschaften, 33, 221-2 (9) 



aoe (1948). Biol. ZhL, 67, 95-100 (116) 



30' (1948). Arch. MikrobioL, 14, 128-41 (117) 



3°^ WOLFE, M., unpublished results (70, 74) 

 *°* WORK, E., unpublished results (102) 



