III. 1 



g Serological and immunological studies 



8 Growth and differentiation (Invertebrates and Vertebrates) ^ 

 a Growth 



a/b Growth and differentiation 

 b Differentiation 



9 Nutrition of embryo (Invertebrates and Vertebrates) 



CHARACTER OF INVESTIGATION 



( 1 ) Metabolism and respiration 



(2) a) Biochemistry, b) Histochemistry, c) Cytochemistry 



(3) Physical properties 



(4) Physical treatment 



(5) Chemical treatment 



(6) Influence of hormones and vitamins 



III. 4c 



175 



