Fra-Ful 



a. Morphogenesis. Tetrahymena spec. (Holotricha, Ciliata ' 

 FRANKENBERGER, Z. MUDr.. Dr.Sc, Prof. (Emer.) — Inst, of 

 Embryol., Fac. of Med.. Charles Univ., Albertov 4, PRAGUE 2, 

 Czechoslovakia 

 a. Embryology. (Cervidae, Mammalia) 

 FRANZeN, a. S. Fil.Dr. — Zool. Inst., Univ. of Uppsala, UPPSALA, 

 Sweden 



a. Comparative study of the spermatozoon and spermatogenesis. (Inverte- 

 brata) 



b. Larval development. (Brachiopoda) 



FRASCHINI, Miss A. Ph.D. — 1st. di Anat. comp., Univ. di Pavia, PAVIA, 

 Italia 

 a. Development and regression of yolk sac. Gallus domesticus (Aves) 

 h. Functional differentiation of gastric epithelium (studies on metamorpho- 

 sis; histochemical methods). Salamandra atra, S. maculosa (Urodela) 



c. The cutaneous glands in metamorphosis (histochemical methods). Sala- 

 mandra atra, S. maculosa (Urodela) 



ERASER, F. C. Ph.D., M.D.. Prof. — Dept. of Genet.. McGill Univ.. 

 MONTREAL. Quebec, Canada 



a. The experimental production of congenital defects, chiefly by maternal 

 treatment with cortisone and 6-aminonicotinamide. Mus musculus (Ro- 

 dentia) 



b. Mechanism of embryonic palate closure, and factors that interfere with 

 it. Mus musculus (Rodentia) 



ERASER. R. C. B.S.. M.S.. Ph.D., Prof. — Dept. of Zool. and Entomol.. 



Univ. of Tennessee, KNOXVILLE. Tenn. 37916, U.S.A. 

 FRATELLO, B. Dr.Biol.Sci. — 1st. di Anat. Comp., Fac. di Sci. Fis. Mat. e 



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



a. Cellular growth and mitotic ratio in nervous system. Triturus cristatus, 

 Xenopus laevis, Bufo bufo (Amphibia) 



b. Gametogenesis and nuclear differentiation. Toxocara mystax (Ascari- 

 dae, Nematoda) 



FREDEEN. F. J. H. B.S.A.. M.Sc. — Research station. Research Branch, 

 Canada Agricult.. Univ. Sub Post Office, SASKATOON. Sask.. Cana- 

 da 



a. Life cycles. Simulium spp. (Simulidae, Diptera) 



b. Life cycles and laboratory culture. Leptocera caenosa (Borboridae, Dip- 

 tera) 



FREEMAN. G. B.S.. Ph.D. — Dept. of Zool.. Univ. of Illinois, URBANA. 

 111.. U.S.A. 



a. Cells which form tissues of new animal during asexual reproduction. 

 Perophora viridis (Tunicata) 



b. Tissue culture of unincubated blastoderm cells. Gallus domesticus 

 (Aves) 



FREEMAN, Miss G. — Dept. of Anat. and Zool., Univ. of Kansas, 102a 



Haworth Hall, LAWRENCE, Kansas 66045, U.S.A. 

 FRIANT, Mrs. M. Dr. es Sci., Dr. en Med., Prof. — Ecole d'Anthropol. de 



P. Broca. 1 Place d'lena. PARIS XVIe. France 



a. Development of the skeleton. (Reptilia; Aves; Mammalia) 



b. Development of the teeth. (Mammalia) 



c. Development of the brain. (Mammalia) 



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