NUBLER-JUNG, Ms. K.; Dr.rer.nat. - Biol. Inst. I (Zool.) der Univ., Katharinenstr. 20, 78 FREIBURG, 



BRD (Germany) 

 a Function of the intersegmental region in pattern reconstitution (transplantation). Dysdercus 



intermedius (Heteroptera) 

 b Pattern formation in imaginal discs (combination experiments). Drosophila hydei (Diptera) 

 c Compartmentalisation in thoracic segments (clonal analysis). Oncopeltus fasciatus (Heterop- 

 tera) „ ^ 

 d Regulation and cellular basis of polarity in segments (transplantation, immunofluorescence). 



Same species as a and c 

 NUESCH, H.; D.Sc, Prof. (Emer.) - Zool. Inst, der Univ. Basel, Rheinsprung 9,4051 BASEL, Swit- 

 zerland 

 a Postembryonic development. (Insecta) 

 NUSS Ms. E.; Dr.rer.nat. - Zool. Inst, der Univ., Lehrst. I: Morphol. und Entw.biol., Rdntgenring 10, 



8700 WURZBURG, BRD (Germany) 

 a Cytoplasm flows during cleavage and their correlation to energid migration by injection of specific 



inhibitors. Pimpla turionellae (Hymenoptera) 

 b Segment pattern formation analysed by double ligature. Same species as a 

 c Characterization of RNA synthesized during cleavage. Same species as a 

 NUSSLEIN-VOLHARD, Ms. C; Dr.rer.nat. - Europ. Molec. Biol. Lab., P.O. Box 102209, 6900 



HEIDELBERG, BRD (Germany) 

 a Pattern formation in early embryogenesis: maternal effect mutants. Drosophila melanogaster 



(Diptera) 

 NYIRI S • M D - Dept. of Ophthalmol., Univ. Med. Sch., Koranyi S.16, SZEGED, Hungary 

 NYITRAY, Ms. M. - Inst, for Drug Res., P.O.Box 82, 1325 BUDAPEST, Hungary 

 a Effect of clofibrate and phenobarbital Na administered to pregnant and lactating mothers on 

 offspring: mortality, hepatomegaly; study of critical time and liver histology. Rattus norvegicus 

 (Rodentia) 

 OCKLEFORD, C. D.; Ph.D. - Dept. of Anat., Univ. of Leicester, Med. Sci. Bldg., University Rd., 



LEICESTER LEI 7 RH, England 

 a Developmental morphology, physiology and pathology of the placenta. Homo sapiens (Primates) 

 b Placental organelles concerned with transport and immunoprotection. Same species as a 

 OCKLEFORD, Ms. E. M.; M.Sc. - Dept. of Psychol., Univ., LEICESTER LEI 7RH, England 



also: ARC Inst, of Anim. Physiol., Babraham, CAMBRIDGE CB2 4AT, England 

 a Possibility of an hormonal hatching trigger and control of the timing of development immediately 



prior to hatching. Gallus domesticus (Aves) 

 b Effects of prenatal sound stimulation on behaviour of neonate (auditory deprivation). Homo 



sapiens (Primates) 

 O'DELL, D. S.; Ph.D. - Dept. of Zool. and Comp. Anat., Univ. Coll. London, Gower St., LONDON 



WciE6BT, England 

 a Biochemistry of the transitions between the amoeboid and the flagellate stages. Naeglena gruberi 



(Rhizopoda) 

 b Cell surface membranes: changes after fertiUsation and during early development. Paracentrotus 



lividus (Echinoidea); various spp. (Ascidiacea) 

 c Developmental biology. Various spp. (Mesozoa) 

 OGORZA-tEK, A.; Ph.D. - Inst, of Zool., Univ. of Wrocfew, ul.Sienkiewicza 21, 50-335 WROGtAW, 



Poland 

 a Oogenesis (autoradiography). Drosophila melanogaster (Diptera) 



b Cytochemistry of oogenesis. Nepa cinerea, Ranatra linearis, Naucoris cimicoides (Heteroptera) 

 c Electron microscopy of: 1. origin of nuage in trophocytes; 2. ovarian envelopes. Naucoris cimi- 

 coides (Heteroptera) 

 OJEDA SAHAGUN, J. L.; Dr.Med., Prof. - Serv. de Embriol. Exper., Dept. de Anat., Fac. de Med., 



SANTANDER, Spain 

 a Early development of the heart (light; transmission and scanning electron microscopy). Gallus 



domesticus (Aves) 

 b Postnatal development of the kidney (light; transmission and scanning electron microscopy). 



Oryctolagus cuniculus (Lagomorpha) 

 OKKER-REITSMA, Ms. G. H.; Ph.D. - Lab. for Cell Biol, and Histol., State Univ., Rijnsburgerweg 10, 



2333 AA LEIDEN, Netherlands 

 a Gonadotropin production and secretion by the placenta of different ages. Mus musculus, Cavia 



porcellus (Rodentia) 

 OKSCHE, A.; Dr.med., Prof. - Zentrum fur Anat. und Cytobiol., Justus Liebig Univ., Aulweg 123, 



6300 GIESSEN, BRD (Germany) 

 a Development of neuroendocrine cell complexes (units) in the hypothalamus (neurohistology, 



electron microscopy, cytometry). (Aves, Mammalia) 

 b Development of photo-neuro-endocrine systems: retino-hypothalamic connections; deep hypo- 

 thalamic photoreceptor; pineal photoreceptor organs. (Vertebrata) 

 OLIVEREAU, Ms. M. M. A.; D.Sc. - Lab. de Physiol., Inst. Oceanographique, 195 rue Saint-Jacques, 



75005 PARIS, France 

 a Cytology and histochemistry of endocrine glands in relation with development, and after various 



experimental procedures. (Salmonidae, Teleostei) 

 b Histophysiology of endocrine glands. (Anguillidae) 



c Effects of salinity on larvae ; histophysiology of endocrine glands. Pleurodeles waltl (Urodela) 

 OLFVO, O. M.; Prof. - 1st. di Anat. Umana Norm., Univ. di Bologna, Via Irnerio 48, BOLOGNA, Italy 

 a Fasting and growth. Gallus domesticus (Aves) 



85 



