Illb. 11. 153 Illb. 13. 



L. Influence of estrogens on the development and calcifi- 

 cation of embryonic endosteal tissue in vitro. Gallus 

 domesticus. C. H. HOGEWONING 



12. Muscular system. 



V. Development of myosin and actin. Vertebrates. Ilia. 12. 



M. CIGADA 



L. The chemistry of muscle differentiation. Fractionation 

 of proteins, determination of nucleic acids in mitochon- 

 dria, nuclei and cytoplasm of muscle tissue in differen- 

 tiated state at various stages of differentiation of fibrils 

 and cross-striation during development of isolated 

 somites and undifferentiated mesoderm. Chick. 



S. COHEN and H. HERRMANN 



M. The development of actomyosin in developing rat 

 muscle. Mus norvegicus. J. S. NICHOLAS 



M. Studies of various protein fractions in developing muscle 

 in relation to changes in physical properties and the 

 development of contractility. Mus norvegicus albinus. 

 (under direction of E. J. BOELL) 



G. de VILLAFRANCA 



13. Alimentary tract. 



General subjects. 



M. Capacity of the fetus to digest food experimentally 

 introduced into the fetal stomach. Mus (Rattus nor- 

 vegicus albinus). 



L. J. WELLS and J. F. HARTMANN 

 Liver. 



I. Function in the developing liver. Ameiurus nebulosus. 



P. B. ARMSTRONG 



J. Function in the developing liver. Ambly stoma puncta- 

 turn. P. B. ARMSTRONG 



L. Protein turnover of different cell fractions of chicken 

 liver studied by injection of N-labelled amino acids. 

 The liver is afterwards homogenized and fractionated 

 by centrifugation. J. M. T. HULTIN 



M. The metabolic maturation of human liver. The capacity 

 to synthesize creatine from glycocyamine and methyl 

 donors is tested with livers of human feti of different 

 inauterine age. S. COHEN and H. HERRMANN 



M. Correlation of morphological, physiological and bio- Ilia. 13. 

 chemical differentiation in fetal liver. Guinea pig. 



L. B. FLEXNER 



M. (Physiology of the fetus) Study of changes in pulmo- 

 nary blood volume and changes in the liver at 

 birth and in the early postnatal period in guinea pigs. 



T. P. SINHA 



