JONGH, H. J. de; D.Sc - Dept. of Anat. and Embryol., State Univ. of Groningen, Oostersingel 69, 



97 1 3 EZ GRONINGEN, Netherlands 

 a Functional morphology of the head with special reference to larval life and metamorphosis. 



(Anura) 

 b Ultrastructural aspects of metamorphosis of cranial muscles. (Anura) 

 JORDAN Ms. M.; Ph.D., Prof. - Dept. of Exp. Zool., Inst, of Syst. and Exp. Zool., Polish Acad, of 



Sci., ul. Sfawkowska 17, 31-016 KRAKOW, Poland 

 a Teratogenic effects of pesticides. (Anura) 

 JOSEPHSEN, K.; D.D.S. - Dept. of Anat., Royal Dent. Coll., Vennelyst Blvd., 8000 ARHUS C, 



Denmark 

 a Incisor enamel organ: 1. morphological and funtional aspects of maturation zone; 2. effect of 



fixatives on preservation. Rattus spec. (Rodentia) 

 b Electron microscopy of tooth development in vitro. Mus musculus (Rodentia) (with O. 



FEJERSKOV and I. THESLEFF) 

 JOST, A. D., D.Sc, M.D.(h.c.), Prof. - Lab. de Physiol, du Devel., Coll. de France, place Marcelin 



Berthelot, 75231 PARIS Cedex 05, France 

 JOTEREAU, Ms. F. J. - Lab. de Biol, du Devel., Univ. de Nantes, 2 rue de la Houssiniere, 44072 



NANTES Cedex, France 

 a Thymus ontogeny; origin, renewal, fate and functional differentiation of thymic lymphocytes in 



interspecific chimeras. Gallus domesticus, Coturnix c. japonica (Aves) 

 b Origin of bone and bone marrow cells, origin and fate of osteoclasts. (Aves) 

 JUBERTHIE, C; D.Sc. - Lab. Souterrain du C.N.R.S., fiquipe de Biol. Souterraine, 09200 MOULIS, 



Saint-Girons, France 

 a Developpement et spermiogenese. espece souterraines : Speonomus spec, Duvalius spec. (Coleop- 



tera) 

 b Influence des facteurs abiotiques (temperature) sur le developpement embryonnaire. Memes espe- 



ces comme a 

 JUBERTHIE-JUPEAU, Ms. L.;D.Sc. - Lab. Souterrain du C.N. R.S.,Equipede Biol. Souterraine, 09200 



MOULIS, Saint-Girons, France 

 a Controle endocrine de la mue. Hanseniella ivorensis (Symphyla) 

 b Spermiogenese et cytogenetique. especes souterraines (Bathysciinae, Coleoptera) 

 JUCHAULT, P.; Dr. - Lab. de Biol. Anim. (Physiol, et Genet, des Crustaces), Univ. de Poitiers, 40 Av. 



du Recteur-Pineau, 86022 POITIERS Cedex, France 

 a Controle neurohumoral de la differenciation sexuelle chez des especes gonochoriques et herma- 

 phrodites. (Isopoda, Crustacea) 

 b Intersexualite et monogenic. Memes especes comme a 

 c ficophysiologie de la reproduction. Memes especes comme a 



JUMAH, H. J.; B.Sc - Zool. Dept., Univ. of Liverpool, P.O. Box 147, LIVERPOOL L69 3BX, England 

 a Morphogenesis and early development (cell aggregation, electron microscopy). Xenopus laevis 



(Anura) . _ , 



JUNERA, Ms. H. - Lab. Sex. et Reprod.des Invertebr., Univ. Paris VI (P. et M. Curie), Bat.A, 7e etage, 



4 place Jussieu, 75230 PARIS Cedex 05, France . 



a Electrophoresis and immunochemistry of a female specific protein: vitellogenin. Orchestra gam- 



mareUus (Amphipoda, Crustacea) (with Y. CROISILLE (Nogent) and J. J. MEUSY) 

 JUNG, E.; Dr.rer.nat. - Zool. Inst, der Univ., Lehrst. I: Morphol. und Entw.bioL, Rontgenring 10, 



8700 WURZBURG, BRD (Germany) . . 



a Pattern formation studied in unilateral double abdomina caused by temporary constrictions. 



Bruchidius obtectus (Coleoptera) 

 b The gap phenomenon in the embryo (pattern formation). Pimpla turionellae (Hymenoptera) 

 JURA, Cz.; D.Sc. - Zool. Dept., JageUonian Univ., ul. Karasia 6, 30-060 KRAKOW, Poland 

 a lirly developmental stages. Tetrodontophora bielanensis (Collembola) 

 b First cleavage, studied with UV micro-beam. Succinea putris (Gastropoda) 

 JURAND, A.; Ph.D. - Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., EDINBURGH 



EH9'3JN, Scotland, UK . .„ ^ •^ 



a Teratogenic activity of neurotropic drugs. Gallus domesticus (Aves), Mus musculus (Rodentia) 

 b Mechanism of preventing activity of papaverine hydrochloride on neural tube closure. Same 



species as a 

 c Partial neoteny. Xenopus laevis (Anura) 

 JURD, R. D.; Ph.D. - Dept. of Biol., Univ. of Essex, Wivenhoe Park, COLCHESTER, Essex C04 3SQ, 



England 

 a Immunoglobulin and antibody production in animals thymectomised as young tadpoles; ontoge- 

 netic emergence of immunity. Xenopus laevis (Anura) 

 b Ontogenetic emergence of the T and B cell arms of the immune response. Lacerta viridis (Lacer- 



KACZANOWSKA (DOBRZAIslSKA), Ms. J.; D.Sc. - Dept. of Cytol., Inst, of Zool., Warsaw Univ., 

 Krak. Przedmiescie 26/28, 00-927/1 WARSZAWA, Poland 



a Long-distance positioning of the competence for contractile vacuole development; fine posi- 

 tioning of a given contractile vacuole, serving as a nucleating center for ciliary basal bodies; 

 dual aspects of mechanisms of positioning of organelles (electron microscopy). Chilodonella 



steini (Ciliata) 

 b Cytogeometrical rules of pattern formation in dividers. Same species as a 

 KACZANOWSKI, A.; D.Sc - Dept. of Cytol., Inst, of Zool., Warsaw Univ., Krak. Przedmiescie 26/28, 



00927/1 WARSZAWA, Poland . 



a Intraclonal conjugation (selfing) leads to either 1. normal exconjugants with immaturity period; 



58 



