c Histology and ultrastructure of yolk resorption and development of yolk syncytium and 



intestine. Loligo and others (Cephalopoda) 

 d Histology, ultrastructure, and experimental study of yolk resorption. Brachydanio and others 



(Teleostei) 

 e Comparative histology and ultrastructure of the role of I-cells, especially in the formation of 



gonangia and gonophores. Many genera (Thecata & Athecata: Hydrozoa) 

 FISCHER, A.; Dr.rer.nat., Prof. - Zool. Inst, der Univ., Weyertal 119, 5000 KOLN 41, B.R.D. 



(Germany) 

 a Course of biochemical development of oocytes; mode of oocyte size synchronization during 



oogenesis. Platynereis dumerilii. Nereis virens (Polychaeta) 

 b Structural development of egg follicles with nutritive cells. Piscicola spec. (Hirudinea) 

 FISCHER, J. L. - Inst. d'Embryol. du C.N.R.S. et du Coll. de France, 49bis av. de la Belle Gabrielle, 



94130 NOGENT-sur-MARNE, France 

 a Action des rayons X sur la morphogenese des arcs aortiques. Gallus domesticus (Aves) 

 b Malformations. (Anura; Urodela) 



c Les effets teratogcnes de I'hypothermie sur I'embryon. Meme espece comme a 

 FLAVIN, Ms. M.; Dr.biol. - Lab. de Biol. Gen., Univ. Paul-Sabatier, 118 Rte de Narbonne, 31077 



TOULOUSE Cedex, France 

 a Structure of larval and adult haemoglobins; globin gene expression during development. 



(Urodela) 

 b Hemoglobin switch (immunofluorescence; in vitro culture). (Urodela) (with A. M. DUPRAT and 



P. DEPARIS) 

 FLfiCHON, J. E. - Lab. de Physiol. Anim., Ctr. Natl, de Rech. Zootechn., I.N.R.A., 78350 JOUY- 



en-JOSAS, France 

 a Ultrastructure and cytochemistry of cumulus cells, corona, zona pellucida and egg cortex before 



and after fertilization. Bos taurus, Ovis aries, Sus scrofa domesticus (Artiodactyla), Oryctolagus 



cuniculus (Lagomorpha) 

 b Ultrastructure of preimplantation blastocysts at different stages and after in vitro culture and 



freezing. Same species as a 

 FLINT, O. P.; Ph. D. - Dept. of Zool., Univ. of Glasgow, GLASGOW Gl 2 8QC, Scotland, U.K. 

 a Behaviour and differentiation of normal and mutant cells in vivo and in vitro. Gallus gallus (Aves) 

 b Analysis of developmental mutants. Mus musculus (Rodentia) 

 FLOOD, P. R.; M.D., Assoc. Prof. - Inst, of Anat., Univ. of Bergen, Arstadvei 19, 5000 BERGEN, 



Norway 

 a Ultrastructure of skeletal muscle fibre types during ontogenesis. Branchiostoma lanceolatum 



(Cephalochordata), Lampetra fluviatihs (Cyclostomata) 

 b Ultrastructure of early development. Branchiostoma lanceolatum (Cephalochordata) 

 FOLIGUET, B. - Lab. de Biol. Med., Univ. de Nancy 1, B.P. 1080, 54019 NANCY Cedex, France 

 a Histogenese du poumon. Rattus norvegicus (Rodentia) 

 FONTAINE, Ms. J. - Inst. d'Embryol. du C.N.R.S. et du Coll. de France, 49bis av. de la Belle 



Gabrielle, 94130 NOGENT-sur-MARNE, France 

 a Origin and differentiation of some APUD endocrine cells in the embryo. (Aves; Mammalia) 

 b Experiments on the absence of thymus development in the nude mutant. Mus musculus 



(Rodentia) 

 FONTES, M. - Lab. d'Histol. et Morphogen. Anim., Dept. de Biol., Centre Univ. de Marseille-Luminy, 



70 Rte Leon Lachamp, 13288 MARSEILLE Cedex 2, France 

 a Variations in structure and function of genetic material during the dedifferentiation phase of 



traumatic regeneration; possibihties of cell reprogramming during this phenomenon. Owenia 



fusiformis (Polychaeta) 

 FORD, P. J.; D.Phil. - Dept. of Molec. Biol., Univ. of Edinburgh, King's Buildings, Mayfield Rd., 



EDINBURGH EH9 3JR, Scotland, U.K. 

 a Control of protein and nucleic acid synthesis during oogenesis (especially 5s RNA, informational 



RNA). Xenopus laevis (Anura) 

 FOURCHE, J.; D.Sc. - Dept. de Biol. Gen. et Appl., Univ. de Lyon I, 43 Bd. du 11 Novembre 1918. 



69621 VILLEURBANNE, France 

 a Energetic metabolism during nymphal diapause; influence of external factors. Pieris brassicae 



(Lepidoptera) 

 b Thermal adaptation during diapause. Same species as a 

 FOURNIER, B.; D.Sc. - Lab. de Zool. Exp., Univ. de Bordeaux I, av. des Facultes, 33405 TALENCE, 



France 

 a Experiments on leg morphogenesis in the embryo in vivo and in vitro. Carausius spec. (Phasmida) 

 b Ecdysterone and embryonic leg regeneration. Same species as a 



c Cephalic endocrine glands and embryonic regeneration. Same species as a (with J. ROGUEDA) 

 FOX, H.; Ph.D., D.Sc. - Dept. of Zool., Univ. Coll. London, Gower St., LONDON WCIE 6BT, 



England 

 a Tail degeneration (electron microscopy, histochemistry). Rana temporaria, Xenopus laevis 



(Anura) 

 b Ultrastructure of larval tissues. Same species as a 

 c Larval growth. Same species as a (with S. C. TURNER, Portsmouth) 

 d Morphological and experimental study on origin and development of Merkel cells and chemosen- 



sory cells in larval epidermis. Many spp. (Anura & Urodela) (with M. WHITEAR) 

 FRAGOULIS, E.; Dr.rer.nat. - Dept. of Gen. Biol., Univ. of Athens, Panepistimioupolis, Kouponia 



(621), ATHENS, Greece 

 a Dopa decarboxylase from several mutants. Drosophila melanogaster (Diptera) 



37 



