III. 8a/b. 149 



a/b Growth and differentiation 



Dainty, J. — a (3/4) 



Boell. E. J. — a (2) J 



Levi, G. L. — b HV 



Hintzsche, E. — b {5)M 



IV. 2a. 



9 Nutrition o[ embryo 



(Invertebrates and Vertebrates) 



Wolff, Mrs Em. — c 

 Leibbrandt, Miss M. and 



Schnetter, M. — a D 



Kavanau, J. L. — a (5)G 



Sundell, L. E. — a (2)1, (2)} 



Wolff. Et.; Haffen. Miss K. 



and Wolff, Mrs Em. — d 

 Byczkowska, Miss W. — a 

 Herrmann, H. and 



Rothfels, U. — c 

 Spratt, N. T., Jr — a 

 Witschi. E. — g 

 Wolff, Mrs Em. — b 

 Menschik, Z. — a 

 Sundell, L. E. — a 



HV 

 L 



(6)L 

 L 

 L 

 L 



M 

 (2)M 



IV. DEVELOPMENT AND GENETICS 

 SUBDIVISION 



1 Theoretical problems and general questions 

 a Theoretical problems 



b General questions 



2 General genetical studies 

 a General studies 



b Heteroploidy 

 c Hybridization 

 d Chimaera 

 e Merogony 



3 Analysis of influence of special genes and mutants 

 a Special genes and mutants 



b Lethal factors 



CHARACTER OF INVESTIGATION 



( 1 ) Metabolism and respiration 



(2) Cytochemistry 



(4) Physical treatment 



(6) Influence of hormones and vitamins 



1 Theoretical problems and 



general questions 

 a Theoretical problems 

 b General questions 



Poulson, D. F. — b 

 Orlandi, Miss A. — a 

 Beatty, R. A. — b 

 Caspari, E. W. — c 



2 General genetical studies 

 a General studies 



