158 



INDEX 



"Univalent" antibodies, 29 

 Ultracentrifugal observations, on anti- 

 body-antigen mixtures, 121 

 "Unnatural" sugars, 97, 101 



Valency of antibodies, 29 



Van der Waals forces, 21, 118. 119, 



123 

 Van't Hoff's equation, 133, 146 

 Vicia cracca, 67 

 Vicia graminea, 69 

 Vicia spp., 81 

 VON MURALT, 137 



W 



WESTPHAL, 104, 105, 107, 110 

 WESTPHAL and LUDERITZ, 104 

 WESTPHAL, LUDERITZ, STAUB, 



and TINELLI, 108 

 WHITE, 107, 115 

 WIENER and PETERS, 58 

 Wisteria chincnsis, 79, 81 

 WURMSER, 57, 145 

 WURMSER and FILITTI-WURM- 



SER, 123, 145, 147, 148, 149 

 WYMAN, 137 



D-Xylose, formula, 

 L-Xylose, formula. 



WATKINS and MORGAN, 91 

 Watkins and Morgan's scheme for 

 gene action, 92, 93 



YCAS, 26 



