Gabrielle, 94130 NOGENT-sur-MARNE, France 

 a Developpement et teratologie de la colonne vertebrale. Callus gallus (Aves) 

 b Biochimie et ultrastructure du cartilage vertebral. Meme espece comme a 

 c Role inducteur de la chorde et du tube nerveux; chondrogenese. Meme espece comme a 

 d Composition, origine et fonction du materiel extracellulaire perineural et perichordal. Meme 



espece comme a 

 e Biochimie, origine et fonction des amines biogenes chordales, regulation neurohumorales chez 



I'embryon. Meme espece comme a 

 STURDEE, A. P.; Ph.D. - Dept. of Biol. Studies, Lanckester Polytechnic, COVENTRY CVl 5FB, 



England 

 a Cell interactions during early embryonic limb development. Triturus cristatus, Ambystoma 



mexicanum (Urodela) 

 b Isolation and characterisation of chemicals responsible for the inhibition of growth and reproduc- 

 tion of organisms developing at high population densities. Tilapia mossambica, Poecilia reticulata 



(Teleostei), Xenopus laevis (Anura) 

 STLIRROCK, R. R.; M.B., Ch.B. - Dept. of Anat., Univ. of Dundee, DUNDEE DDl 4HN, Scotland, 



U.K. 

 a Histogenesis of neuroglia. Mus musculus (Rodentia) 



b Quantitative studies of effects of minimum deprivation on brain growth. Same species as a 

 SUCH (RAZIMBAUD), Ms. J.; D.Sc. - Lab. de Zool. Exp., Univ. de Bordeaux 1, Av. des Facultes, 



33405 TALENCE, France 

 a Experiments on ommatidium morphogenesis in the embryo in vivo and in vitro. Carausius spec. 



(Phasmida) 

 SULCOVA, Ms. J.;RNDr. - Res. Inst, of Endocr., Narodnf 8, 116 94 PRAHA 1, Czechoslovakia 

 a Metabolism and binding of steroids, especially androgens, in foetal tissues. Homo sapiens 



(Primates) 

 SULSTON, J. E. - Lab. of Molec. Biol., Med. Res. Counc, HiUs Rd., CAMBRIDGE CB2 2QH, 



England 

 a Cell hneage, especially of the nervous system. Caenorhabditis elegans (Nematoda) 

 SUMNER, Ms. B.E. H.; D.Phil. - Dept. of PhysioL, Med. Sch., Univ. of Edinburgh, Teviot Place, 



EDINBURGH EH8 9AG, Scotland, U.K. 

 a Changes induced in the hypoglossal nucleus by axotomy and related operations of the 



hypoglossal nerve (quantitative ultrastructural and cytochemical study of neurone perikarya, 



dendrites, presynaptic boutons and nearby glia). Rattus spec. (Rodentia) 

 SURANI, M. A. H.; Ph.D. - Marshall Lab., Dept. of Physiol., Univ. of Cambridge, Downing St., 



CAMBRIDGE CB2 3EG, England 

 a Molecular changes in cell surface properties from zygote to blastocyst and cellular differentiation 



during development: functional changes in membranes and transport systems; influence of and 



responsiveness to environmental conditions; parthenogenetic development; activation process of 



oocytes; post-implantation development including X-inactivation. Mus musculus, Rattus spec. 



(Rodentia) 

 b Implantation: role of uterine luminal components; cell surface interactions between blastocyst 



and uterine epithelium; differentiation of uterine stem cells in response to sex steroids; uterine 



sensitization for implantation. Mesocricetus auratus, Rattus spec, Mus musculus (Rodentia) 

 SUSO VERGARA, S. - Dept. of Anat., Univ. of Barcelona, C/.Casanova 143, BARCELONA 11, 



Spain 

 a Development of skeletal system and integument in the embryo. (Aves) 

 SVAJGER, A.; M.D., D.Sc, Prof. - Inst, of Histol. and Embryol., Fac of Med., Univ. of Zagreb, 



Salata 3, P.O.Box 166, 41001 ZAGREB, Yugoslavia 

 a Differentiation of isolated germ layers, transplantation, in vitro culture. Rattus norvegicus 



(Rodentia) (with B. LEVAK and N. §KREB, Inst, of BioL) 

 h Chondrogenesis in the external ear. Same species as a (with 1. BRADAMANTE and 



Lj. kostovk!;) 



c Differentiation of the intercellular matrix during ontogenesis (histology, histochemistry, electron 



microscopy). Same species as a (with Lj. KOSTOVK!' and Z. BRADAMANTE) 

 SVEJCAR,J.; Dr.med., C.Sc, Prof. - Inst, fur Humangenet. der Univ., Paul-Ehrlich Str. 41, 6 



FRANKFURT/Main 70, B.R.D. (Germany) 

 a Effect of the teratogen 6-fluoro-deoxycytidine on acid mucopolysaccharide content of fetal 



stages. Mus musculus (Rodentia) 

 SVIRIDOV, S. M. - Lab. of Devi. Genet., Inst, of Cytol. and Genet., Pravda St. 9, ap.36, 



NOVOSIBIRSK 630090, U.S.S.R. 

 a Regeneration of the neural retina with special reference to S-100 protem. Tnturus cristatus 



(Urodela) (with L. I. KOROCHKIN and V. I. MITASHOV, (Moscow)) 

 SVYATOGOR, G. P. - Dept. of Embryol., Leningrad State Univ., Mendeleevsky St. 5, LENINGRAD 



199164, U.S.S.R. . ^^ ^ ^ „ 



a Experimental polyembryony. Tilapia mossambica (Teleostei), Rana temporana (Anura), GaUus 



gallus, Anser anser, Meleagris gallopavo, Coturnix c japonica (Aves) 

 SWAAB, D. F.; Dr. - Netherl. Inst, for Brain Res., IJdijk 28, AMSTERDAM, Netherlands 

 a Interaction with hormones during maturation and adaptation of the nervous system. Rattus 



norvegicus (Rodentia), Homo sapiens (Primates) 

 SWAIN, A. H.; B.Sc. - Dept. of Anat., Charing Cross Hosp. Med. Sch., Fulham Palace Rd., LONDON 



W6 8RF, England 

 a Fetal gastric mucosa in organ culture. Homo sapiens (Primates) 



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