Chap. 

 XIII 



XIV 



Envoi 



Synthesis of growth-substances 



Introduction ______ 



(Mainly about indole compounds) 

 Positioning and nomenclature 

 Early work on indole compounds 

 Relation to animal physiology 

 Recent indole-acetic acid syntheses 

 Microbiological preparation - - 

 Higher indole-acids - _ _ _ 

 Other compounds - _ _ _ 



Naphthalene compounds - - _ _ 

 Higher aryl compounds - _ _ _ 



An important hint - _ _ _ _ 



Note on the auxins - _ _ _ _ 



Vitamins ---__,._ 



References H ----- - 



Identification of growth-substances, and some 



substances related to them _ _ _ 



Phenyl derivatives - - _ _ 



Indole derivatives - - - - _ 



Indole-acetic acid - - _ _ 



The urorosein test - _ _ _ 



Methods of isolation - - - _ 



Various - - _ _ _ 



Creatine and creatinine - - - _ 



Oxalacetic acid - - - - _ 



Vitamins ---___ 



Went's pea test --____ 



References J - - - 



XV Tabular index of substances 



Author Index - _ _ 



Index of principal subjects 



Index of important plants 



ix 



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AS 



