Hay 80 Herr 



HAY, Mile D. Etude d'un Free-martin naturel. Boeuf. I. 17. M. 



HAYES, E. R. Histochemistry of development of selected species of 

 various vertebrate classes, of various organs and tissues under 

 varying physiological and pathological states, of metamorphosis, 

 regeneration and senescence. Vertebrates. Illb. 2c. c. V. 



HEAYSMAN, Miss J. E. M. Factors involved in the development of 

 the shell in the mollusca. Paludina viviparus, Helix pomatia and 

 Nucella labillus. I. 8. E. 



HEILBRUNN, L. V. A study of the factors which cause initiation of 

 development. Atbacia punctulata (Echinoidea) and Chaetopterus 

 pergamentaceus (Polychaeta). Illb. 4. EV. 



HEIMANN, H. Endhirnentwicklung. Teleostier. I. 9. 1. 



HENKE, K. Embryonale und post-embryonale Entwicklungsgeschichte 

 und Entwicklungsphysiologie bei Insekten, Mollusken, Amphibien 

 und Aves. Illb. 2a. D, E, J. and L. 



(mit Mitarbeiter) 



HENLEY, C. Chromosomal mosaicism and abnormalities of mitosis 

 produced by experimental temperature shock on the developing 

 embryos of the California salamander, Triturus torosus. IIIc. 2. J. 



An investigation of natural and experimentally-induced heteroploidy 



in Amblystoma punctatum, including the effects of phenylthiourea 

 on mitosis. Hie. 2. J. 



(in collaboration with D. P. COSTELLO) 



HERLANT— MEEWIS, Madame H. Regeneration. Reproduction a- 

 sexuee. Formation des cellules sexuelles. Developpement embryon- 

 naire. Eponges. Ilia. 2a. A. 



(en collaboration avec P. BRIEN) 



Regeneration. Reproduction asexuee. Formation des cellules sexuel- 

 les. Developpement embryonnaire. Oligochetes. Ilia. 2a. C. 

 (en collaboration avec P. BRIEN) 



HERRICK, Ch. J. (data not yet received). 



HERRMANN, H. Metabolic interaction between tissues. Exchange of 

 metabolites between tissue components (epithelium-stroma) with 

 different degrees of oxidative or anaerobic metabolism. The in- 

 vestigation is carried out with model tissues, such as cornea, as 

 well as with tissue-cultures. Higher Vertebates(?). 

 (in collaboration with S. COHEN) Illb. 2b***. b. HV.(?) 



The chemistry of muscle differentiation. Fractionation of proteins, 



determination of nucleic acids in mitochondria, nuclei and cytoplasm 

 of muscle tissue in differentiated state at various stages of dif- 

 ferentiation of fibrils and cross-striation during development of 

 isolated somites and undifferentiated mesoderm. Chick. 



(in collaboration with S. COHEN) HIb. 12. C. L. 



The metabolic maturation of human liver. The capacity to syn- 

 thesize creatine from glycocyamine and methyl donors is tested 

 with livers of human feti of different inauterine age. Illb. 13. b. M. 

 (in collaboration with S. COHEN) 



