I. 1 



I. 4b 



E Mollusca 



F Bryozoa, Entoprocta, Brachiopoda, Hemichordata, Chaetognatha 

 G Echinodermata 

 H Urochordata, Cephalochordata 

 7 Further development of Vertebrates 

 a General investigations 



1 General sujects 



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. 173 — 175) 

 f Histo- and cytogenesis 

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

 a Growth 

 a/b Growth and differentiation 

 b Differentiation 



1 Theoretical problems and 

 general questions 



Testa, I. — b M 



2 Methods and techniques 

 Clark, H. — c L 



3 General subjects 



(asexual development, reproduc- 

 tion, etc.) 



Nobili, R. — a C 



Papi, F. — a C 



Ulrich, H. — b D 



Ghirardelli, E. — a F 



Harvey, Mrs. E. B. — c G 



Gilbert, P. W. — a I 



Te Winkel, Miss L. E. — a I 

 Gilani, S. H. — a 



Arslan, M. — a M 



Prasad, M. R. N. — a M 



Qureshi, W. H. — a M 



4 Initial development 

 a General subjects 

 Puccinelli, I. — a 

 Fautrez (Firlefyn), 



Mrs. N.J. — a 

 Shulov, A. — c 

 Harvey, Mrs. E. B. — f 

 Grodzinski, Z. — c 

 Ruch, J. V. — a 

 Szubiriska (Kilarska), 



Mrs. B. S. — a 

 Zahnd, J. P. — c 

 Dollander, A. — c 

 Wartenberg, H. — a 

 Zahnd, J. P. — c 

 Dollander, A. — c 

 b Primordial germ cells 

 Stagni, Miss A. — b 

 Ghirardelli, E. — a 

 Follenius, E. and 

 Vivien, J. H. — a 



D 



D 



G 



I 



I 



I 

 I 



J 

 I 



K 

 M 



C 

 F 



176 



