(Echinoidea) 

 HUM1NSK1, S. Dr.hab. - Chair of Zool., Coll. of Agric, Cybulskiego 20, 50-205 WROCLAW, 



Poland 

 a Influence of food, light, temperature, and hormones on the male sexual apparatus during the 



resting period. Microtus arvalis, M. agrestis (Microtidae, Rodentia), Apodemus agrarius, A. 



flavicollis, Mus musculus (Muridae, Rodentia) 

 HUREAU. J. Prof. - Lab. d'Anat., Univ. Paris V - Rene Descartes, 45 rue des Saints Peres, 75 PARIS 



Vie, France 

 HURLE GONZALEZ, J. M. M.D. - Serv. de Embriol. Exper., Dept. de Anat., Fac. de Med., 



SANTANDER, Spain 

 a Cell death during normal and abnormal morphogenesis (stages 9-34 H.H.; optic and electron 



microscopy). Callus domesticus (Aves) 

 HYATT, Mrs. P. J. B.Sc. - Anat. Dept., Bristol Univ., University Walk, BRISTOL BS8 1TD, England 

 a Electron microscopy of gastrula cells during neural induction. Xenopus laevis (Anura) 

 IANNELLO, Miss A. Dr.rer.nat. - 1st. di Anat. Umana Norm., Univ. di Catania, Via Biblioteca 4, 



95124 CATANIA, Italy 

 a Sviluppo delle ossa interparietal! e preinterparietali. Homo sapiens (Primates) 

 IGNATJEVA, Mrs. G. M. Cand.biol.sci. - Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., 



Vavilov St. 26, MOSCOW 117334, U.S.S.R. 

 a Relative duration of embryonic periods in connection with the morphogenetic function of nuclei 



and yolk. Misgurnus fossilis, Esox lucius and other spp. (Teleostei), Ambystoma mexicanum 



(Urodela) 

 IKONICOFF (KAPLAN), Mrs. L. Dr.en Med., Dr.3e Cycle - Lab. de Chim. Horm., Maternite de 



Port-Royal. 123 Bd. de Port Royal, 75014 PARIS, France 

 a Localisation immunohistochimique de HCG (human chorionic gonadotropin) et HCS (human 



placental lactogen) dans le placenta apres marquage a la peroxydase. Homo sapiens (Primates) 

 b Localisation ultrastructurale de FHCS dans le placenta avant et apres culture. Homo sapiens 



(Primates) 

 ILIES, A. Dr.Biol.Sci. - Inst. d'Histochim. Med., Univ. Rene Descartes, 45 rue des Sts. Peres, 75270 



PARIS Cedex 06, France 

 a Normal and pathological necrotic areas in embryonic development. Homo sapiens (Primates) 

 b Normal and pathological development of the embryo. Homo sapiens (Primates) 

 IMMERS, J. Fil.Dr. - Wenner-Gren Inst., Norrtullsgatan 16, S-113 45 STOCKHOLM, Sweden 

 a Biochemical factors in embryonic and larval development, particularly the role of mucopoly- 

 saccharides. Paracentrotus lividus (Echinoidea) 

 b Changes in interaction between proteins and nucleic acids in the course of early development. 



Paracentrotus lividus, Psammechinus miliaris (Echinoidea) 

 c Interaction of animal-vegetal morphogenes with respect to double gradient concept. (Echinoidea) 

 IOANNOU, J. M. Ph.D. - Dept. of Anat., School of Med., Thoresby Place, LEEDS LS2 9NL, 



England 

 ISTAMBOULI, A. M.es Sci. - Lab. de Bot., Univ. de Provence, Centre St.Charles, Place Victor Hugo, 



13003 MARSEILLE, France 

 a La dormance des graines et des bourgeons. Olea europaea (Oleaceae) 



IVANOFF, Miss A. - Lab. d'Embryol., Univ. de Nancy I, 31 rue Lionnois, 54 NANCY, France 

 IVANOV, E. A. - Chair of Embryol., Biol. Fac, State Univ. of Moscow, Lenin Hills, MOSCOW 



117234, U.S.S.R. 

 a Experiments on the segmentation of the axial mesoderm. Rana temporaria (Anura), Gallus 



domesticus (Aves) 

 IVANOV, V. I. Dr. - Lab. of Exp. Genet., Inst, of Med. Genet., Kashirskoye Chaussee 6a, 115478 



MOSCOW, U.S.S.R. 

 a Determination of imaginal disc cells in normal and mutant strains. Drosophila melanogaster 



(Diptera) 

 b Interaction of homoeotic and non-homoeotic genes during development. Same species as a 

 IVANOVA (KASAS), Mrs. O. M. Dr.biol.sci., Prof. - Dept. of Embryol., Leningrad State Univ., 



Mendeleevsky St. 5, 199164 LENINGRAD, U.S.S.R. 

 a Comparative embryology. (Invertebrata) Synoicum pulmonaria (Ascidiacea) 

 b Asexual reproduction. Synoicum pulmonaria (Ascidiacea) 

 IVEMARK, B. I. M.D., Prof. - Dept. of Pediat. Pathol., Karolinska sjukhuset, 104 01 STOCKHOLM 



60, Sweden 

 IZMAILOW, Miss R. Dr. - Inst, of Plant Cytol. and Embryol., Jagiellonian Univ., s'w. Jana 20, 



31-018 KRAKOW, Poland 

 a Control of apomixis (cytology, embryology, experimental studies). Alchemilla spec. (Compo- 



JAASKELAINEN (KARKINEN), Mrs. M. M.D. - Lab. of Exp. Embryol., III. Dept. of Pathol., Univ. 



of Helsinki, Haartmaninkatu 3, 00290 HELSINKI 29, Finland 

 a Virus-induced cataract. Gallus gallus (Aves) (with L. O. SAXEN) 

 JACOB, H. J. Dr.med. - Lehrstuhl fur Anat. I, Ruhr-Univ., Buscheystr., Postfach 2148, 463 



BOCHUM-Querenburg, B.R.D. (Germany) 

 a Development of vertebral column. Gallus domesticus (Aves) 

 b Differentiation of somites. Gallus domesticus (Aves) 

 JACOB, J. Ph.D. M.R.C. Epigenet. Res. Group, Inst, of Anim. Genet., Univ. of Edinburgh, West 



Mains Rd., EDINBURGH EH9 3JN, Scotland, U.K. 

 a Ultrastructural and functional aspects of nucleolus in larval salivary gland cells. Smittia 



parthenogenetica (Chironomidae, Diptera), and in developing oocytes. Xenopus laevis (Anura) 



48 



