a Activation of protein synthesis during embryonic development. Bufo bufo (Anura) 



b Fertilization and polyspermy. Paracentrotus lividus (Echinoidea) 



FERRUS, A.; Ph.D. - Sect. Devi. Genet., Inst, of Genet. CSIC, Qr. of Molec. Biol., Univ. Autonoma 



de Madrid, Canto Blanco, MADRID 34, Spain 

 a Morphogenetic mutants in the wing disc. Drosophila spec. (Diptera) 

 b Developmental genetics of the nervous system. Same species as a 

 FICQ, Ms. A. A.; D.Sc, Prof. - Dept. of Molec. Biol., Free Univ. of Brussels, 67 rue des Chevaux, 



1640 RHODE-ST-GENESE, Belgium 

 a Autoradiography of oogenesis and morphogenesis. (Anura) 

 b DNA synthesis during early oogenesis. Xenopus laevis (Anura) 

 c Template activities of chromatin in meiotic cells. Same species as b 

 d Protein metabolism in early oogenesis. Xenopus laevis (Anura), Ambystoma mexicanum (Uro- 



dela) 

 e DNA, RNA, and protein metabolism in pachytene cells during amplification of rDNA (auto- 

 radiography). Same species as b 

 f Effect of protease inhibitors on early meiosis. Same species as b 

 g In situ effects of Neurospora crassa SI endonuclease on pachytene chromatin at metamorphosis. 



Same species as b 

 h Transition of pachytene to diplotene stage in meiosis. Same species as b 

 FILOGAMO, G.; M.D., Prof. - Dept. of Human Anat., Univ. of Torino, Corso M.d'Azeglio 52, 10126 



TORINO, Italy 

 a Neurogenic control versus autonomous determination of muscle cell in vivo and in vitro. Gallus 



domesticus (Aves) 

 b Determination of somitic mesodermal cells by skeletal and myocardial myoblasts. Gallus domes- 

 ticus, Coturnix coturnix (Aves) 

 FILONI, S.; Dr.biol. - 1st. di Anat. Comp., Univ. di Roma, Via A. BoreUi 50, 00161 ROMA, Italy 

 a Relationship between eye factors and lens-forming transformations in the cornea and pericorneal 



epidermis of larvae. Xenopus laevis (Anura) 

 b Role of innervation in limb regeneration. Same species as a 

 FILOSA PARISI, Ms. S.; Dr. - 1st. di Istol. ed Embriol., Univ. di Napoli, Via Mezzocannone 8, 80134 



NAPOLI, Italy 

 a Morphology and physiology of the differentiation of the follicle cells during oocyte growth. 



Lacerta s. sicula (Lacertilia) 

 b Pattern of cell division during cleavage. Paracentrotus lividus (Echinoidea) 

 FINCHAM, A. A.; Ph.D. - Dept. of Zool., Brit. Museum (Nat. Hist.), Cromwell Rd., LONDON SW7 



5BD, England 

 a Larval development (laboratory rearing). (Natantia, Decapoda, Crustacea) 

 FIORONLP.; Dr.phil.,Prof. - Zool.Inst.derUniv.,Lehrst.fur spez. Zool., Htifferstr. 1,44 MUNSTER, 



BRD (Germany) 

 a Comparative histology and ultrastructure of yolk resorption. Galathea spec, Eupagurus spec, 



Orconectes spec, and others (Decapoda, Crustacea) 

 b Comparative histology, ultrastructure, and biology of embryonic nutrition (yolk, albumen, food- 

 eggs). Many genera (Gastropoda) 

 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 go- 



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

 FISCHB^RG, M.; Dr.phil., Prof. - Stat, de Zool. Exp., Univ. de Geneve, 154 Rte de Malagnou, 1224 



CHENE-BOUGERIES (Geneve), Switzerland 

 a Diploid and haploid gynogenesis and sex determination. Xenopus laevis (Anura) 

 b Search for mutants, particularly for the nucleolar organizer. Same species as a 

 c Allelic suppression of the formation of the nucleolus in hybrids. Same species as a 

 d Fertility of hybrids. Same species as a 



FISCHER, A.; Dr.rer.nat., Prof. - Zool. Inst, der Univ., Weyertal 119,5000 KOLN 41, BRD (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) 

 c Existence and origin of vitellogenin in oogenesis; mechanism(s) controlling oocyte differentiation. 



Same species as a 

 d Fine structure compared in follicular, nutrimentary oogenesis, Piscicola geometra (Hirudinea) and 



diffuse oogenesis, Echinorhynchus truttae (Acanthocephala) 

 FISCHER, B.; Dr.agr. - Dept. of Anat. and Reprod. Biol., Rhein.-Westf. Techn. Hochschule, Melatener 



Str. 211, 5100 AACHEN, BRD (Germany) 

 a Development of blastocysts in vitro; transfer of preimplantation stages; investigation of their 



developmental potential. Oryctolagus cuniculus (Lagomorpha) 

 FISCHER, B. - A.R.C. Inst, of Anim. Physiol., Anim. Res. Station, 307 Huntingdon Rd., CAMBRIDGE 



CB3 OQJ, England 

 a Methods of extending the time during which spermatozoa retain the fertilizing ability (e.g. by 



deep-freezuig) and the effects of modifications of the male and/or female tract on fertilizing 



ability of inseminated spermatozoa (e.g. capacitation). (Mammalia) 

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



94130 NOGENT-sur-MARNE, France 



40 



