a. Biochemistry of semen. (Mammalia) 



b. Biochemistry of the male reproductive organs. (Mammalia) 

 MANNER. H. W. B.S., M.S., Ph.D., Prof. — Div. of Science and Mathe- 

 matics, Utica Coll. of Syracuse Univ., UTICA, N.Y., U.S.A. 



a. Air bladder development. (Teleostei) 

 MANO, Miss R. M.A., M.Sc. — Biol. Lab., Keio Univ., YOKOHAMA- 

 Hiyoshi, Japan 



a. Morphogenetical and chemical analysis of the organizer. Triturus pijrrho- 

 gaster (Urodela) (in collaboration with T. HAM A) 



b. Developmental and chemical studies of the chromatophores. (Pisces; 

 Amphibia) (in collaboration with T. HAM A) 



c. Classification and development of coelomic corpuscles. Lophopodella car- 

 ted (Bryozoa) 



MANSUETO, Miss C. Dr. — 1st. di Zool., Via Archirafi 18, PALERMO, 



Italia 

 a. Investigations on development by use of radio-isotopes. (Ascidiae) 

 MANUILOVA, Mrs. N.A. Cand.biol.sci. — Dept. of Embryol., Fac. of Biol., 



Moscow Univ., MOSCOW V-234, U.S.S.R. 



a. The development of the central nervous system in connection with the 

 development of the receptors. ( Aves) 



b. Study of the formative role of the optic receptor under natural condi- 

 tions and following intensification of visual function by artificial light- 

 ing. (Aves) 



MANUKHIN, B. N. Cand.biol.sci. — Inst, of Animal Morphol., Acad, of 

 Sci. of the U.S.S.R., First Academic St. 12, MOSCOW V-133, U.S.S.R. 

 a. Mediators in development. (Evertebrata; Vertebrata) 



MARAUD, R. Dr.en Med., Dr.es Sci., Prof. — Lab. de Biol., Fac. de Med., 

 Univ. de Bordeaux, BORDEAUX, France 



a. Differenciation sexuelle. (Vertebrata) 



b. Physiologie de la thyroide embryonnaire. (Vertebrata) 

 MARCONNET, R. — Lab. d'Embryol., Fac. de Med., 31 Rue Lionnois, 



NANCY (Meurthe & Moselle), France 



MARIN, G. Med.Dr. — 1st. di Zool. e Anat. Comp., Fac. di Sci., Via Lore- 

 dan 10, PADOVA, Italia 

 a. Cell multiplication in tissue culture. 



MARIN (LEWIN), Mrs. L. Lic.es Sci. — Lab. d'Embryol. et Teratol. exper. 

 du C.N.R.S., 49bis Avenue de la Belle Gabrielle, NOGENT sur Marne 

 (Seine), France 



— Lab. d'Embryol. exper. du Coll de France, 1 1 Place Marcelin Ber- 

 thelot, PARIS Ve, France 



a. Etude du comportement du foie embryonnaire cultive in vitro. Gal- 

 lus g alius (Aves) 



b. Etude de l'etalement d'organes embryonnaires cultives in vitro sur 

 differents supports solides. Gallus gallus (Aves) 



MARINI, Miss M. Dr.Biol.Sci. — 1st. di Anat. Comp., Fac. di Sci., Univ. di 

 Modena, Via Universita 4, MODENA, Italia 



a. Growth and differentiation of the subcommissural organ. (Amphibia) 



b. Growth and differentiation of the neurosecretory system. (Amphibia) 



c. Ultrastructure of larval epidermal cells. (Amphibia) 



d. Mitotic ratio in the regeneration of the nerve cord. (Amphibia) 



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