I. 1 



I. 4c 



F Bryoroa, Entoprocta. Brachiopoda and Hemichordata 



G Echinodermata 



H Urochordata and Cephalochordata 



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 (s.s.) 



2 Development of neural crest 



3 First larval development 



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 differentiation (Invertebrates and Vertebrates) 

 a Growth 



a/b Growth and differentiation 

 b Differentiation 



1 Theoretical problems and 

 general questions 



Matejka, M. — a 

 Slipka, J. — b 

 Steiner, H. — a 

 Steiner, H. — b 



2 Methods and techniques 

 Sauser, G. — c 



3 General subjects 

 (asexual development, etc.) 



Fisher, F. J. F. — a 



Jones, W. E. — a 



Brien, P. L. — a 



Papi, F. — a 



Legrand, J. J. — d 



Brien. P. L. — a 



Harvey, Mrs E. Browne — c 



Hale. L. J. — a 



Gilbert, P. W. — b 



144 



