c. Effects of light on spermatozoa. (Mammalia) 



d. Physiology and biochemistry of germ cells. (Mammalia) 



e. Physiological and biochemical basis of cell senescence. 

 N0RREVANG, A. Mag.Scient. — Inst, of Comp. Anat., Universitetsparken 



3. COPENHAGEN 0, Denmark 

 a. Embryology. Armillifer spec. (Linguatulidae) (in collaboration with K. G. 

 WINGSTRAND) 

 NOTARNICOLA, Mrs. L. CIRILLO Dr.Nat.Sci. — 1st. di Anat. Comp., 

 Fac. di Sci., S. Pietro, PERUGIA, Italia 



a. Correlations between nervous system and limbs. (Anura) 



b. Limb induction (Amphibia) 



NOVAK, V. J. A. D.Sc. — Biol. Inst., Czechoslovak Acad, of Sci., Na 

 cvicisti cislo 2, PRAHA 6, Czechoslovakia 



NOVEL (REROLLE), Mrs. M. — Lab. de Zool. exper., Fac. des Sci., 16 

 Quai CI. Bernard, LYON, France 

 a. Histogenese du cartilage in vitro et in vivo. Mus musculus (Ro- 

 de ntia) 



NOWAK, A. Lek.med. — Chair of Gener. Biol., Silesian Acad, of Med., 

 Rokitnica, ZABRZE 8, Poland 



a. The influence of estrogens on mitotic regulation. Mus musculus (Ro- 

 de ntia) 



b. The mitotic regulation in the regenerating tadpole. Xenopus laevis 

 (Anura) 



NOWAKOWNA, Miss J. M.Ph. — ZakJad Zool. Ogolnej, Inst. Zool., 

 Uniw. we Wroclawiu, ul. Sienkiewicza 21, WROCLAW, Poland 



NOESCH, H. D.Sc, Prof. — Zool. Anstalt der Univ., Rheinsprung 9, 

 BASEL, Schweiz 



a. Einfluss des Nervensystems auf die Entwicklung anderer Organe. (In- 

 secta) 



b. Entwicklung der imaginalen Muskeln. (Neuroptera; Lepidopteta) 



c. Entwicklung des Nervensystems. (Insecta) 



NUMANOI, H. Ph.D. — Biol. Inst., Coll. of Gener. Education, Univ. of 



Toyo, 865 Komaba-cho, Meguro-ku, TOKYO, Japan 

 NURJEHAN, Miss B. M.Sc. — Dept. of Zool., Presidency Coll., College 



St., CALCUTTA 12, India 



a. Mitotic counts in organ rudiments. Gallus gallus (Aves) 



b. Organ resynthesis in vitro. Bufo spec. (Amphibia) (in collaboration 

 with S. ADHIKARI and S. MOOKERJEE) 



NYHOLM, K. G. Fil.Dr. — Zool. Inst., Univ. of Stockholm, 70A Radmans- 

 gatan, STOCKHOLM, Sweden 



a. Study of the development. (Echinoderidae, Aschelminthes) 



b. Study of the life-history. ( Rhizopoda monothalamia) 



OBIKA, M. M.A. — Biol. Lab., Keio Univ., YOKOHAMA, Hiyoshi, Japan 

 a. Correlation between pigment formation and pterin derivatives during 



development. (Amphibia) 

 O'BRIEN, B. R. A. B.Sc, Ph.D. — School of Anat., Univ. of New South 



Wales, SYDNEY, N.S.W., Australia 



a. Haemoglobin synthesis and y-Azoguanine inhibition. Gallus domesticus 

 (Aves) 



b. The presence of haemoglobin within the nucleus of the embryonic eryth- 

 roblast. Gallus domesticus (Aves) 



103 



