I. 1, 



124 



I. 4b 



F Bryozoa, Entoprocta, Brachiopoda and Hemichordata 

 G Echinodermata 

 H Urochordata 



7 Further development of Vertebrates 



(including complete and partial — e.g. early — development) 

 a General investigations 



1 General subjects 



2 Complete development 



3 Partial development 



4 Implantation and placentation 



b Early development, gastrulation, etc. 



1 Early development 



2 Gastrulation and formation of germ layers 



3 Development of foetal membranes 

 c Neurulation, etc. 



1 Neurulation 



2 Development of neural crest 



3 First larval development 



d Development of part of the organism 



1 Head 



2 Limb and wings 



3 Tail 



e Development of special organ-systems 



(Cf. general subdivision p. 121 — 123) 

 f Histo- and cytogenesis 



8 Growth and differentiation (Invertebrates and Vertebrates) 

 a Growth 



a|b Growth and differentiation 

 b Differentiation 



1 Theoretical problems 



Holmdahl D. E. — g V 



Holmgren, N. F. — a V 



Steiner, H. — b V 

 Cotronei, G. and 



Urbani-Mistruzzi, Mrs L. — a J 

 Perri, T. and Cotronei, G. — b J 



Brandt, W. — c M 



2 Methods and technics 



Blechschmidt, E. — d 



Wenger, B. S. — b EV + V 



Sauser, G. — c M 



3 General subjects 



Coninck, L. De — d C 



Elshout. Miss A. M. — a V 



Hamilton, H. L. — a L 



4 Initial development 

 a Primordial germ cells 

 Bounoure, L. — a J 



b Gamete-, ovo- and spermato- 

 genesis 



Brien, P. L. — b B 



Larambergue, M. de — b B 

 Benazzi-Lentati, Mrs G. — a, b C 



Lehmann, F. E, — d C 



Lepori, N. G. — a, b, c C 



Omodeo, P. — b C 



Baffoni, G. M. — b D 



Colombo, G. — c D 



Kiihn, A. — e D 



Uchida, T. — a D 



Bretschneider, L. H. — a E 



Lehmann, F. E. — d G 



Callan, H. G. — b, c J 



Uchida, T. — b J 



Wittek, Mile M. — a J 



Wittek, Mile M. — b K 



Clark, H. — a L 

 Austin, C. R. and 



Braden, A. W. H. — a M 



