viii Contents 



PAGE 



The effect of variable protein and mineral intake upon 

 the body composition of the growing animal 



hy W. M. Wallace, W. B. Weil and Anne Taylor 116 



Discussion: Fourman, Heller, Kennedy, McCance, Milne, 



Talbot, Wallace, Widdowson . . . . .136 



The effect of age on the body's tolerance for fasting, thirst- 

 ing and for overloading with water and certain electrolytes 



byN.B. Talbot and R. Richie 139 



Discussion: Adolph, Black, Bull, Fourman, Kennedy, 



McCance, Talbot, Wallace . . . . .150 



Clinical consequences of the water and electrolyte meta- 

 bolism peculiar to infancy 



by E. Kerpel-Fronius . . . . . .154 



Discussion: Adolph, Black, Bull, Davson, Fejfar, Four- 

 man, Heller, Kennedy, McCance, Shock, Talbot, 

 Wallace, Widdowson, Young . . . . .162 



The effect of hormones of the pituitary and adrenal glands 

 on the elimination of sodium, potassium and a water load 

 in infant rats during the weaning period 



by J. K&ecek, Helena Dlouha, J. JelInek, Jarmila 



KSeckova and Z. Vacek . . . . .165 



Differences in the pattern of electrolyte and water excre- 

 tion in young and old rats of both sexes in response to 

 adrenal steroids 



by P. A. Desaulles ....... 180 



Discussion: Adolph, Borst, Desaulles, Fourman, Heller, 



Kennedy, K6,ecek, McCance, Milne, Swyer . . 195 



The effect of age on the electrolytes in the red blood cells 

 of different species 



by M. J. Karvonen ....... 199 



Discussion: Black, Bull, Davson, Desaulles, Fourman, 



Hingerty, Karvonen, McCance, Milne, Shock . . 206 



The development of acid -base control 



by Elsie M. Widdowson and R. A. McCance . . 209 



Discussion : Adolph, Fourman, Karvonen, McCance, Milne, 



Scribner, Widdowson, Zweymuller .... 220 



General Discussion: Adolph, Black, Bull, Desaulles, 

 Fourman, Hingerty, Kennedy, Milne, Richet, Shock, 

 SwYER, Talbot, Wallace ...... 224 



