SUBJECT INDEX 



215 



Toxins 



Tricarboxylic acid cycle 



Triphenyltetrazolium chloride 



Tryptic digest broth 



Trypanocidal agents 



Tubercle bacilli pigment ... 



Tumours 



Tungsten electrodes 



Turacin 



Two-stage oxidations 



Type transformation, bacterial 



Typhus 



Tyrocidine ... 



Tyrosinase ... 



Unattackable electrodes, definition 



„ „ materials of 



Unicellular organisms 

 Units of measurement 

 Unstable systems ... 

 Urease and thiol groups 

 Urechis eggs pigment 



Valency bonds and electrons 

 Valves, thermionic, for potentiometric 

 measurements 



