II. 1 



2 Gastrulation and formation of germ layers 



3 Neurulation 



4 Formation of neural crest 



5 First larval development 



c Induction, determination, etc. 



1 Induction 



2 Determination 



3 Regulation and organisation 



d Development of part of the organism 



1 Head 



2 Extremities 



3 Tail 



e Development of special organ systems 

 (Cf. general subdivision p. 141 — 143) 



f Histo- and cytogenesis 

 8 Growth and di[[erentiation (Invertebrates and Vertebrates) 



a Growth 

 ajb Growth and differentiation 



b Differentiation 



CHARACTER OF INVESTIGATION 



II. 4f 



(4) Physical treatment 



(5) Chemical treatment 



(6) Influence of hormones and 



1 Theoretical problems and 

 general questions 



2 Methods and techniques 



3 General subjects 



(asexual development, etc.) 



Bonner, J. T.— a, b PI 



Cheney. R. H. — c (5) PI 



Fisher, F. J. F. — a PI 



Jaffe. L. F. — b PI 

 Herlant — Meewis, Mrs H. — a C 



Gilbert, P. W. — b 1 



Sinclair. J. G. — a M 



4 Initial development 

 a General subjects 



Barth, L. G. — b B 



Lovelace. Miss L. R. — b (4)C 



Nijenhuis. E. D. — a (5)E 



Urbani — Mistruzzi, Mrs L. — b E 



Harvey, Mrs E. Browne — a (4)G 



Barth, L. G. — b H 



Leghissa, S. — a H 



Lehman. H. E. — c I 



vitamins 



Pantelouris. E. M. and 



Waddington. C. H. — b 

 Beatty, R. A. — a 



b Primordial germ cells 



Vannini, E. — d 

 Aubry, Miss R. — a 

 Blackler, A. W. C. — a 

 Bounoure, L. — a 

 Rebert, R. R. — b 



c Gamete-, ovo- and spermato- 

 genesis 

 Dan, Mrs J. C. — a 

 Vannini. E. — d 

 Clavert. J. — a 

 Harrison. R. G. — a, b 

 Macmillan, E. W. — a 

 d Maturation 

 Dan. K. — d 

 Moricard. R. — a 

 e Ovulation and oviposition 

 Fukuda, S. — c 

 f Activation and fertilization 

 Lovelace, Miss L. R. — a (5)C 



Okada, K. — b C 



J 



M 



EV 

 C 



(6)L 

 M 

 M 



152 



