MANZOLI. F. A. Dott. — Inst, of Histol. and Gener. Embryol.. Univ. of 

 Bologna, Via Belmeloro 8, BOLOGNA. Italia 

 a. Differentiation of muscular tissue. 

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

 Univ. de Bordeaux. BORDEAUX, France 

 a. Differenciation sexuelle. (Vertebrata) 

 h. Physiologie de la thyroide embryonnaire. (Vertebrata) 

 MARCEL. R. — Inst, de Zool.. Fac. des Sci.. 23 Rue Gosselet. LILLE 

 (Nord). France 

 a. Etude in vivo et in vitro dela morphogenese au cours du de- 

 veloppement et de la regeneration. Sabella pavonina, Sabellatia spina- 

 losa. Nereis diversicolor, Syllis arnica, Eisenia foetida (Annelida) 

 MARCOiNNET. R. — Lab. dEmbryol.. Fac. de Med.. 31 Rue Lionnois. 



NANCY (Meurthe 6 Moselle). France 

 iVlARGOLlS, G. A.B., M.D.. Prof. — Dept. of Pathol.. Dartmouth Med. 

 School. HANOVER. N.H. 03755. U.S.A. 



a. Virus-cell interaction, replication and differentiation. Cricetus aucatits, 

 Rattus natalensis, R. norvegicus, Mas musculus (Rodentia), Felis do- 

 mestica (Carnivora) 



b. Cerebellar hypoplasia induced by postnatal virus infections. Cricetus 

 auratus, Rattus natalensis, R. norvegicus, Mus musculus (Rodentia), 

 Felis domestica (Carnivora) 



MARIN (LEWIN). Mrs. L. Lic.es Sci. — Inst. 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. 11 

 Place Marcelin Berthelot, PARIS Ve, France 



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

 lus g alius (Aves) 



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

 differents supports solides. Callus gallus (Aves) 



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

 e Nat., Univ. di Modena. Via Berengario 14. MODENA. Italia 



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



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



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

 MARINKOVIC. D. B.Sc. — Inst, of Nuclear Sci. ■Boris Kidrich", BEL- 

 GRADE. Yugoslavia 



a. Teratological changes in embryos produced by nucleic acids in early 

 embryogenesis; effects on progeny of these animals. Callus domesticus 

 (Aves) 

 MARKERT, C. L. Ph.D.. Prof. — Dept. of Biol. (Osborn Memorial Lab.). 

 Yale Univ.. NEW HAVEN. Conn. 06520, U.S.A. 



a. Chromosomal differentiation. Rana pipiens (Anura), Mus musculus 

 (Rodentia) 



b. Ontogeny of isozymic patterns of enzymes. Mus musculus (Rodentia) 



c. Changes in synthetic ability during cellular differentiation. Callus 

 domesticus (Aves) , Mus musculus (Rodentia) 



d. Biochemistry of development. Ascidia nigra (Ascidiae) 

 MARKMAN, B. Fil.lic. — Wenner-Gren's Inst, for exper. Biol., Norrtulls- 



gatan 16, STOCKHOLM Va., Sweden 



131 



