Illb. 2c. a. 145 IIIb.2c.c. 



Respiration (a). 

 Metabolism (b). 

 G. Sulphate metabolism in sea urchin development. 



B. G. SWEDMARK 

 G. Nitrogen metabolism in early sea urchin development 

 studied by means of N-labelled ammonia. 



J. M. T. HULTIN 

 G. On surface reaction of the Sea urchin egg with special Illb. 2c. c. 

 attention to phosphate-metabolism. On the dehydro- 

 genase systems of the Sea urchin egg. 



N. O. H. LINDBERG 



J. Biochemical investigations about developmental physio- Illb. 2c. c. 

 logy. Development of enzymes, embryonic metabolism. 

 Rana and Amblystoma. G. ten CATE 



L. Biochemical investigations about the developmental Illb. 2c. c. 

 physiology. Development of enzymes, embryonic meta- 

 bolism. Chicken. G. ten CATE 



L. Protein metabolism in chicken embryo. Gallus gallus. 



C. RIZZOLI 

 Cytochemistry (c), 



EV. Research in cyto-embryology and cyto-physiology on 

 Marine Invertebrate eggs. D. P. COSTELLO 



C. Chemical embryology. Sabellaria alveolata, Annelida. Ilia. 2a. c. 



Chr. P. RAVEN 



C. Histochemistry of nucleic acids in the gametogenesis II. 2a. c. 

 and development of Ascaris. Patascaris equorum (Ne~ II. 4. 



matodes). J. J. PASTEELS and J. PANIJEL 



C. Nucleids acids during the organogenesis of Eisenia 

 foetida (Annelida). G. VANDEBROEK 



D. Phosphatase distribution in Crustacean eggs. Cymo- 

 thoids, Asellus (Crust, hop.). M. DE NICOLA 



D. A cytochemical study of the Insect egg (esp. the 

 glycogen formation) during maturation and develop- 

 ment. Cynipidea and other Insects. 



M. K. KRAINSKA 

 D. Development of enzymes in grasshopper egg and em- 1. 2a. 



bryo. Melanoplus differ entialis (Orthoptera). 



L. R. FITZGERALD 



G. Serological and chemical studies on the proteins of 



developing sea-urchin eggs. Paracentrotus lividus and 



Avbacia lixula. H. P. PERLMANN 



G. Proteins in embryonic development. Echinoderms. Ilia. 2c. c. 



S. RANZI Hid. 2. 

 G. Calcium distribution in the development of sea urchin 

 eggs. Paracentrotus and Arbacia. M. de NICOLA 



V. Physico-chemical properties of embryos: the yolk. 



Salmo (Pisces). Lacerta (Reptilia) and Gallus (Aves). 



H. DATKOWNA, Z. GRODZInSKI 



and K. SWIERZAWSKA 



