IV. 1 



IV. 2c 



IV. DEVELOPMENT AND GENETICS 

 SUBDIVISION 



Theoretical problems and general questions 



General cjenetical studies 



a General studies 



b Heteroploidy 



c Hybridization 



d Chimaera 



e Merogony 



Analysis o[ in[luence of special genes and mutants 



a Special genes and mutants 



b Lethal factors 



Phenocopies 



CHARACTER OF INVESTIGATION 



( 1 ) Metabolism and respiration 



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

 (4) Physical treatment 



(6) Influence of hormones and vitamins 



1 Theoretical problems and 

 general questions 



Landauer, W. — e L 



2 General genetical studies 

 a General studies 

 Tartar, V. — a P 

 Benazzi, M. — a C 

 Lepori, N. G. — a C 

 Papi, F. — a C 

 Barigozzi, C. — b D 

 Blackler, A. W. C. — b D 

 Fukuda, S. — b D 

 Hadorn, E. — c (2a) D 

 Henke. K. — c D 

 Legrand, }. J. — a D 

 Poulson, D. F. — b D 

 Sigot, A. — a D 

 Baxter, E. W. — b I 

 Colombo. G. — a J 

 Humphrey, R. R. — c, f J 

 Witschi, E. — c J 

 Romanoff, A. L. — b L 

 Beatty, R. A. — b M 

 Braden, A. W. H. — a M 

 Caspari, E. W. — a M 

 Harrison. G. A. — a (4)M 

 Huber. W. — a M 



170 



