524 When this microbe is grown in a nutrient medium containing per litre of water P04HK2 2 grm., MgSO 1 grm., and minute quantities of CaCl2 it grows perfectly well, when nitrogen is provided by KN03, (NH4)2 SO" NH4N03, or succinate of ammonium. It is able also to get carbon and nitrogen necessary for its life from glycocolle, cystin, tyrosine, tryptophane, alanine, leucine, histidine, glutamic acid, aspartic acid, and phenylalanine. Many other substances than amino-acids are destroyed by this

more »

... , aminophilus intestinalis, and so we remarked that all the following bodies may provide it with nitrogen and carbon or nitrogen only when carbon is furnished by glucose :