b Changes following repetitive stimulation of the central nervous system. Same species as a 



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



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

 saccharides. Paracentrotus Hvidus (Pxhinoidea) 



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) 



INGLE, R.W.; Ph.D. - Dept.^of Zool., Brit. Museum (Nat. Hist.), Cromwell Rd., LONDON SW7 5BD, 

 England 



a Larval development. (Brachyura, Decapoda, Crustacea) 



INIGUEZ LOBETO, C. - Serv. Embriol. Exp., Dept. Anat., Fac. de Med., Av. Ramon y Cajal, 

 VALLADOLID, Spain 



a Action of zinc upon development. Gallus domesticus (Aves) 



ISH-HOROWICZ, D.; Ph.D. - Abt. Zellbiol., Biozentrum der Univ., Klingclbergstr.70, 4056 BASEL, 

 Switzerland 



a Genetics of heat-shock proteins. Drosophila melanogaster (Diptera) 



ISTAMBOULI, A.; M.es Sci. - Lab. de Morphogen. Veget., Univ. d'Aix-Marseille III, Centre 

 St-Charles, place Victor Hugo, 13331 MARSEILLE Cedex 3, France 



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



IVANOFF-GERARD, Mrs. A. - Lab. d'EmbryoL, Univ. de Nancy I, 31 rue Lionnois, 54000 NANCY, 



a Histogenese des systemes aminergiques diencephaliques a partir du 6e jour de la vie embryonnaire 



jusqu'a la quatrieme semaine postnatale. Gallus domesticus (Aves) 

 IVANOV E. A.; Cand.sci. - Chair of Embryol., Biol. Fac, State Univ. of Moscow, Lenm Hills, 



MOSCOW 117234, U.S.S.R. . ^^ ^ ^„ 



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



domesticus (Aves) , r. ^ r^ 



IVANOV, J. A.; Dr. - Dept. of Embryol., Univ. of Moscow, Lenin Hills, MOSCOW 117234, U.S.S.R. 



temporarily: Dept. of Anat., London Hosp. Med. Coll., Turner St., LONDON E.l, England 

 a Somite morphogenesis. Xenopus laevis (Anura) 

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



115478, 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, LENINGRAD 199164, U.S.S.R. 

 a Comparative embryology. Synoicum pulmonaria (Ascidiacea) 

 b Asexual reproduction. Same species as a 

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



60, Sweden , ,„•.,■ 



IZMAILOW Miss R.; Dr. - Dept. of Plant Cytol. and Embryol., Inst, ol Bot., Jagelloman Univ., 



Grodzka 52, 31-044 KRAKOW, Poland 

 a Control of apomixis (cytology, embryology). Alchemilla spec. (Rosaceae), Ranunculus auricomus 



(Ranunculaceae) 

 JACOB, H. J.; Dr.med. - Lehrstuh! fiir Anat. I, Ruhr-Univ., Universitiitsstr. 150, Postfach 2148, 463 



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

 a Development of vertebral column. Gallus domesticus (Aves) 

 b Differentiation of somites. Same species as a 



c Ultrastructure of connective tissue differentiation. Same species as a 

 d Scanning and transmission electron microscopy of prelaying stages. Gallus domesticus, Coturnix 



c. japonica (Aves) 

 e Origin and development of musculature. Same species as d 

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



EH9 3JN, Scotland, U. K. 

 a Ultrastructural changes and patterns of DNA, RNA, and protein synthesis in differentiating cells 



as studied by E.M. autoradiography. Xenopus laevis (Anura), Homo sapiens (Primates) 

 b Characterization of DNA by in situ hybridization of labelled RNA with ultrathin sections of cells 



and tissues. Xenopus laevis (Anura), mouse L cells, HeLa cells (Mammalia) 

 JACOB (LOES), Mrs. M.; Dr.med. - Lehrstuhl fiir Anat.I, Ruhr Univ., Universitatsstr. 150, Postfach 



2148, 463 BOCHUM-Oucrcnhurg, B.R.D. (Germany) 

 a Development of vertebral column. Gallus domesticus (Aves) 

 b Differentiation of somites. Same species as a 



c Ultrastructure of connective tissue differentiation. Same species as a 

 d Scanning and transmission electron microscopy of prelaying stages. Gallus domesticus, Coturnix 



c. japonica (Aves) 

 e Origin and development of musculature. Same species as d 

 JACOBSON, D. C. O.; Fil.Dr., Prof. - Zool. Inst., Univ. of Uppsala, Box 561. S-75122 UPPSALA 1, 



JACQUOT, R. L.; D.Sc, Prof. Lab. de Physiol. Anim., Univ. de Reims, B.P. 347, 51062 REIMS 



Cedex, France 

 a Pre- and postnatal changes in glucose and glycogen metabolism of the liver cell; eventually assays 



on isolated cultured hepatocytes; electron microscopy. Rattus norvegicus (Rodcntia) 



50 



