c Ultrastructure of blastocyst implantation. Mus musculus (Rodentia) 



HINRICHSEN, K.; Dr.med., Prof. - Lehrstuhl fur Anat.I, Ruhr-Univ., Universitiitsstr. 150, Postfach 



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

 a Thymus and lympathic system, cell regeneration and migration. Mus musculus (Rodentia) 

 b Morphogenesis of epitiieliogenic organs. Mus musculus (Rodentia), Homo sapiens (Primates) 

 HIRN, M.; Dr.spec. - Lab. de Morphogenet. Anim., Univ. de Provence - Centre St. Charles, Place 



Victor Hugo, 13331 MARSKILLE-Cedex 3, France 

 a Regeneration. Cercyra hastata (Turbellaria) 

 b Relation between wound licaling and polarity 

 HOARAU, P.; Dr.spec. - Lab. de Morphogenet. Anim., Univ. de Provence - Centre St. Charles, Place 



Victor Hugo, 13331 MARSEILLH-Cedex 3, France 

 a Analyse des territoires de regeneration. Helleria brcvicornis (Isopoda, Crustacea) 

 HOARE (STERN), Mrs. M. S.; Ph.D. - Zool. Dept., Univ. Coll. of N.Wales, BANGOR, Caerns., Wales, 



U.K. 

 a Experimental studies in early mammalian embryos. Mus musculus, Rattus spec. (Rodentia) 

 HOFMAN, Miss Lj.; D.Sc. - Inst, of Biol., Fac. of Med., Univ. of Zagreb, Salata 3, P.O. Box 166, 



41001 ZAGREB, Yugoslavia 

 a Early differentiation; transplantation, in vitro culture. Rattus norvegicus (Rodentia) (with 



N. SKREB) 

 HOFMANN, D. K.; Dr.rer.nat. - Inst, fiir Entw.physiol., Univ. zu Koln, Gyrhofstr. 17, 5 k6LN41, 



B.R.D. (Germany) 

 a Experimental study on endocrine control of caudal regeneration. Platynereis dumerilii 



(Polychaeta) 

 b General and experimental study of reproduction, development, and endocrinology. Eunice 



siciliensis (Polychaeta) 

 HOHL, H. R.; Dr.sc.nat., Prof. - Cytol. Lab., Inst, of Gen. Bot., Univ. of Zurich, Birchstr. 95. 8050 



ZURICH, Switzerland 

 a Submicroscopic morphogenesis. Dictyostelium discoideum and other spp. (Acrasiales), Phytoph- 



thora parasitica and other spp. (Phycomycetes) 

 HOLDEN, Miss J. J.; Ph.D. - Inst, of Genet., Biol. Res. Ctr., Hungarian Acad, of Sci., P.O.B. 521 



6701 SZEGED, Hungary 

 a Cell determination and differentiation in embryos and imaginal discs. Drosophila melanogaster 



(Diptera) 

 b Genetics of heat-shock proteins. Same species as a 



c Ecdysone synthesis in the ring gland-brain complex in vitro. Same species as a 

 HOLDEREGGER, C; Ph.D. ~ Inst, of Cell Biol., Swiss Fed. Inst, of Technol., Honggerberc, 8049 



ZURICH, Switzerland 

 a Electron microscopy of giant chromosomes. Chironomus spec. (Diptera) 

 HOLLAND, D. L.; Ph.D. - N.E.R.C. Unit of Marine Invert. Biol., Marine Sci. Labs., Univ. Coll. of 



North Wales, MENAI BRIDGE, Anglesey LL59 5EY, Wales, U.K. 

 HOLM, K. A; Fil.Dr. - Zool. Inst., Univ. of Uppsala, Box 561, S-75122 UPPSALA 1, Sweden 

 HOLT (SULEY), Mrs. A. C. E.; Ph.D. - Dept. of Zoo!., Reading Univ., Whiteknights Park, READING 



RG6 2AJ, England 

 a Developmental genetics, especially of variegated phenotypes. Mesocricetus auratus (Rodentia) 

 HOLTER, H.; Ph.D. - Biol. Inst., Carlsberg Found., 16 Tagensvej, 2200 COPENHAGEN N, Denmark 

 HOMANN, H. A.; Dr.rer.nat. - I. Physik. Inst., Univ. Gottingen, Siegemiihienwcg 61, 34 



GOTTINGEN, B.R.D. 



no embryological work in progress 

 HOORN, A. J. W.; Drs. - Dept. of Popul. and Evol. Biol., Genet. Inst., Univ. of Utrecht, Transitorium 



III, Padualaan 8, UTRi:CHT, Netherlands 

 a Amylase isozymes. Drosophila melanogaster (Diptera) 

 HOPERSKAYA, Mrs. O. A.; Cand.biol.sci. - Inst, of Devi. Biol., USSR Acad, of Sci., Vavilov St. 26, 



MOSCOW 117334, U.S.S.R. 

 a Specific induction by lens epithelial cells in gastrula ectoderm. Rana temporaria, Xenopus laevis 



(Anura) 

 b Isolation of the inductive substances from lens epithelial cells. Rana temporaria (Anura) 

 c Mechanisms causing periodic albinism in a mutation (aP). Xenopus laevis (Anura) 

 d Conditions of the initiation of development and the positioning of axial rudiment in the early 



blastoderm. Leuciscus bergi (Cyprinidae), Epiplatys shaperi (Cyprinodontidae. Teleostei) 

 HORNBLAD, P. Y.; M.D. Lab. of Teratol., Karolinska Inst., S-104 01 STOCKHOLM 60, Sweden 

 HORNBY, Miss J. E.; Ph.D. Dept. of Zool., Univ. of Reading, Whiteknights Park, READING 



RG6 2AJ, England 

 a Cell connnunication and cell sorting. Gallus domesticus (Aves) 

 HORSTADIUS, S.; Fil.Dr.. Prof. (Emer.) - Zool. Inst., Univ. of Uppsala, Box 561, 75122 UPPSALA 



1, Sweden 

 HORTON, J. D.; Ph.D. - Dept. of Zool., Univ. of Durham, Science Labs., South Rd., DURHAM 



DHl 3Li;, England 

 a The role of the thymus in the ontogeny of immunity and the mechanism of graft rejection and 



tolerance (alloimmune responses of animals thymectomized at extremely early stages of 



lymphoid organ maturation). Xenopus laevis (Anura) 

 HORVATH, Miss C; M.D. Lab. d! mbryol. ct de Cytogenet., Fac. de Med., Saint-Antoine, 27 rue 



Chaligny, 75571 PARIS Cedex 12, i'mice 

 a Teratogenesis. Gallus domesticus (Aves), Rattus rattus, Mus nniscuhis, Mesocricetus auratus 



(Rodentia) 



