CONTENTS 



PAGE 



Chairman's opening remarks 



C. H. Best 1 



The biological approach in the comparative study of ageing 



by A. Comfort ........ 2 



The comparative biology of ageing: a physiological 

 approach 



by F. Bourliere ....... 20 



Discussion: Balo, Best, Bourliere, Bourne, Comfort, 

 Gillman, Kallmann, Landowne, Lorge, Olbrich, 



PARKES, VERZA.R ........ 30 



The study of the ageing of cells 



by J. F. Danielli ....... 39 



Discussion: Balo, Best, Bourne, Comfort, Danielli, 



Friedman, Gillman, Landowne, Olbrich, Tunbridge . 44 



Examples of reactions to standard stimuli at different ages 



by K. J. Franklin ....... 51 



Studies on adaptation as a method of gerontological 

 research 



by F. Verzar 60 



Discussion: Balo\ Bourne, Comfort, Danielli, Franklin, 

 Gillman, Landowne, Lorge, Nicolaysen, Tunbridge, 

 Verzar, Welford ....... 68 



Methods and limitations in studies of human organ system 

 function 



by M. Landowne ....... 73 



Comparative values of studies of the whole organism and 

 of whole tissue ; clinicopathological tests of ageing 



by R. E. Tunbridge ....-•• 92 



Discussion: Balo, Best .....•• 101 



Nutrition, liver disease and some aspects of ageing in 

 Africans 



by T. Gillman 104 



vii 



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