Fer-Fli 



a. Estimation and localization of desoxyribonucleic acids during egg 



development. Bu[o arenarum (Anura) 

 h. Biosynthesis of ribonucleic acids during early development. Bufo are- 

 narum (Anura) 

 FERREIRA, A. L. M.D., Ph.D. — Dept. de Morfol. Humana Funcional e 



Aplicada, Fac. de Med. de Ribeirao Preto, Univ. de Sao Paulo, Caixa 



Postal 301. SAO PAULO, S.P.. Brasil 

 a. Caryometric study of spermatogenesis. Rattus rattus (Rodentia) 

 FERRIER, V. Lic.es Sci. — Lab. de Biol, gener., Fac. des Sci., 118 Route de 



Narbonne, TOULOUSE,France 

 a. Hybridation intergenerique. (Urodela) 

 h. Gynogenese. Pteurodeles waldii (Urodela) 

 FICQ, Mrs. A. A. Dr.enSci. Biol., M.LLE. — Lab. de Morphol. anim., 



Univ. libre de Bruxelles, 1850 Chaussee de Wavre, BRUXELLES- 



Auderghem, Belgique 

 a. Etude autoradiographique du metabolisme au cours de I'oogenese. 



Asterias spec. (Asteroidea, Echinodermata) , Rana spec. (Anura) 

 h. Observations autoradiographiques sur I'oogenese et la morphogenese. 



Pleurodeles spec, Triturus spec. (Urodela), Rana [usca (Anura) 



c. Metabolism of purines and pyrimidines during oogenesis and develop- 

 ment. Paracentrotus spec. (Echinoidea) , (Amphibia) 



d. Studies on metabolism during maturation. Asterias rubens, Arbacia 

 lixula, Paracentrotus lividus (Echinodermata), Pleurodeles waltlii 

 (Urodela) 



FILOGAMO, G. M.D., Prof. — 1st. di Istol. ed Embriol. Gener., Corso 

 Massimo d'Azeglio 52, TORINO, Italia 

 a. The development of spinal ganglion cells studied by in vitro culture 

 (silver staining, phase contrast cinematography). Gallus domesticus 

 (Aves) 

 h. The differentiation of neuro-muscular junctions (histochemistry, elec- 

 tron microscopy). Lebistes reticulatus (Teleostei) , Bufo bufo (Anura), 

 Oryctolagus cuniculus (Lagomorpha) , Rattus norvegicus (Rodentia) 



FILOSA, M. F. B.S., M.S., Ph.D. — Dept. of Biol., Oberlin Coll., OBER- 

 LIN, Ohio, U.S.A. 



a. Variation and differentiation; effects of various analogues on diffe- 

 rentiation. Dictyostelium mucoroides (Acrasiales) 



b. Synthesis and utilization of trehalose during development. Dictyoste- 

 lium mucoroides (Acrasiales) 



c. Differentiation of macrocysts. Dictyostelium mucoroides (Acrasiales) 

 FIMIAN, W. J.. Jr. A.B., M.S., Ph.D., Prof. — Dept. of Biol. Boston Coll., 



CHESTNUT HILL 67, Mass., U.S.A. 



a. X-radiation and chemical pre-protection in limb regeneration (in 

 vivo and in vitro) Triturus viridescens (Urodela) 

 FINGER, I. B.A., Ph.D., Prof. — Dept. of Biol., Haverford Coll., HAVER- 

 FORD. Pa., U.S.A. 



a. Immunogenetic studies in relation to cell differentiation. Paramecium 

 aurelia (Ciliata) 

 FINN. C. A. B.Sc. M.R.C.V.S. — Wye Coll., Near ASHFORD, Kent, 

 England 



a. Experimental studies on implantation of ova. (Rodentia) 



64 



