INDEX 



219 



Thyroid gland, 209 et seq. 

 Tonus, 15 

 Torpedo, 58 



Tracheal respiration, 66 et seq, 

 Trivalentious, 18 

 Tropisms, 158 

 Tunicate heart, 114 

 Tyramine, 60, 122 



Uexkull, 15 

 Uhlenhuth, 208 et seq. 

 Urea in blood and urine, 51 



in selachian blood, 104 

 Uric acid, 93 



in blood and urine, 5 1 

 Urine, 51 



Vanadium, no 



Van 't Hoff solution, 25 



V. der Heyde, 5 1 



Venoms, 60 



Vitamins, 88 



Vies, 74 



Voit, 85 



V, Frisch, 120 



Warburg, 175 



Weak bases and weak acids, 25-6 

 Weinland, 93 

 Winterstein, 65-6 

 Wohler, i 

 I V/oodland, 13 



I Yeasts, 87-9 

 I Yonge, 92, 97 



PRINTED IN GREAT BRITAIN BY WILLIAM CLOWES AND SONS, LTD., LONDON AND BECCLES. 



