PEGRUM (HALL), Mrs. S. M. B.S. - Dept. of Cell Regul., Imp. Cane. Res. Fund, Lincolns Inn 



Fields, LONDON W.C.2, England 

 PEHLEMANN, F. W. Dr., Prof. - Anat. Inst, der Univ., Olshausenst, 40-60, 23 KIEL, B.R.D. 



(Germany) 

 a Ultrastructural morphogenesis and functional morphometry of endocrine glands (adeno- 



hypophysis, adrenal, thyroid). Rana temporaria, Xenopus laevis (Anura) 

 b Ultrastructure of amitosis. Rana temporaria (Anura), Homo sapiens (Primates) 

 PELLING, C. Dr. - Max-Planck Inst, fiir Biol., Abt. Beermann, Spemannst. 34, 74 TUBINGEN, 

 B.R.D. (Germany) ISDB 



PERKOWSKA (MOSER), Mrs. E. Ph.D. - Zaulek 28, Zoliborz, WARSZAWA, Poland 

 a Intranuclear structures and their relation to oxyphosphorylation in growing oocytes (histo- 

 chemistry). Silphidae spp. (Coleoptera) 

 PERLMANN HP PhD - Wenner-Gren Inst., Norrtullsgatan 16, 113J45 STOCKHOLM, Sweden 



ISDB 

 PERRIER, Mrs. H. D.E.S. - Lab. de Physiol. Anim., Univ. de Reims, B.P. 347, 51062 REIMS Cedex, 



France 

 a Electron microscopy of the foetal and perinatal pancreas. Rattus norvegicus (Rodentia) 

 PERRY, Miss M. M. B.Sc. - Inst, of Anim. Genet., Univ. of Edinburgh, West Mains, Rd., EDINBURGH 



EH9 3JN, Scotland, U.K. 

 a Study of certain features of developing embryos by electron microscopy. (Amphibia) 

 b Electron microscopy of mutants. Drosophila spp. (Diptera) 

 c Microfilaments in developing embryos. Triturus alpestris (Urodela), Xenopus laevis (Anura) (with 



G. G. SELMAN) 

 PERSOV, G. M. Dr.biol.sci. - Biol. Inst., Leningrad State Univ., LENINGRAD B-164, U.S.S.R. 

 a Sex differentiation. (Chondrostei; Teleostei) 



b The process of gametogenesis under ionizing radiations. Same species as a 

 PERUZOVlC (GRADT), Mrs. M. Grad. - Inst, of Biol., Fac. of Med., Univ. of Zagreb, Salata 3, P. O. 



Box 166, 41001 ZAGREB, Yugoslavia 

 a Development and function of the pituitary-adrenocortical system in foetus and neonate 



(biochemistry, histology, histochemistry). Rattus norvegicus (Rodentia) (with K. MILKOVIC) 

 b Effects of perinatal influences, especially adrenocorticoids, on emotionality, active and passive 



avoidance conditioning. Rattus norvegicus (Rodentia) (with K. MILKOVIC) 

 PETAVY, G. - Lab. d'Entomol. et d'Ecophysiol. Exper., Univ. de Paris XI, 91405 ORSAY, France 

 a Histology and cytochemistry of yolk, yolk cells, amnion, and serosa; their relations with the 



embryo during blastokinesis and definitive dorsal closure. Locusta migratoria (Orthoptera) 

 b Analysis of hydration of the egg in relation with organization of the yolk system and structure of 



envelopes, especially the serosal cuticle. Locusta migratoria (Orthoptera) 

 PETERS, Mrs. H. M.D. - Finsen Lab., Finsen Inst., 49 Strandboulevarden, 2100 COPENHAGEN 0, 



Denmark 

 a Development of the ovary and the uterus: morphology, cell dynamics and function. Mus 



musculus (Rodentia) 

 b Follicle growth initiation. Mus musculus (Rodentia) 

 c The effect of low protein diet on early development of reproductive organs. Mus musculus 



(Rodentia) 

 d The effect of hormones (testosterone, oestrogen, gonadotropin) on ovarian development in 



infancy. Mus musculus (Rodentia) 

 PETERS, N. Dr.rer.nat., Prof. - Inst, fur Hydrobiol. und Fisch. wiss., Univ. Hamburg, Olbersweg 24, 



2 HAMBURG-Altona 1, B.R.D. (Germany) 

 a Effect of metabolic inhibitors on different developmental stages. Rivulus cyhndraceus, Anguula 



anguilla (Teleostei) . 



b Development of eye-rudiments in cave-Fish. Astyanax mexicanus (Characimdae, 1 eleostei) 

 PETERS, P. M.V.D. - Dept. of Teratol. and Pharmacol. Pathol., Natl. Inst, of Public Health, P. O. 



Box 1, BILTHOVEN, Netherlands 

 a Morphogenesis of malformations caused by retinoic acid: relation to dose and stage at treatment. 



Rattus norvegicus (Rodentia) 

 b Normal morphogenesis as standard for teratogenetic procedures. Mus musculus (Rodentia) 

 PETERS, Th. Dr.med. - Anat. Inst, der Univ., Friedrichst. 24, 63 GIESSEN, B.R.D. (Germany) 

 a Alterations in tissue differentiation after x-ray-treatment. Triturus alpestris (Urodela) 

 b Intravital microscopy of normal and x-ray treated gastrulae. Same species as a 

 PETRUCCI, D. - Inst, of Gen. Biol., Univ. of L'Aquila, L'AQUILA, Italy nnTin „ h 



PETRY, G. Dr.med., Prof. - Anat. Inst., Univ. Marburg, Robert-Koch-Str. 6, 355 MARBURG/Lahn, 

 W. Germany . ... 



PETZOLDT U Dr.rer.nat. - Arbeitsgr. Prof. G. H. M. Gottschewski am Max-Planck-Inst. tur 



Immunbiol., Stefan-Meier-Str. 8, 78 FREIBURG i.Br., B.R.D. (Germany) 

 a Protein and nucleic acid synthesis in early cleavage stages. Oryctolagus cumculus (Lagomorpha) 

 PEXIEDER, T. M.D. - Inst. d'Histol. et d'Embryol., Univ. de Lausanne, 9 rue Bugnon, 1011 



LAUSANNE, Switzerland 

 a Tissue dynamics of heart morphogenesis. Gallus domesticus (Aves) 



b Embryophysiology of the circulation in the aortic arches and the heart. Gallus domesticus (Aves) 

 c Cell death in the development of the heart. Gallus domesticus (Aves), Rattus norvegicus 



(Rodentia), Homo sapiens (Primates) 

 d Teratogenic mechanisms of cardiovascular malformations. Gallus domesticus (Aves), Rattus 



norvegicus (Rodentia) 

 PFLUGFELDER, O. Dr.rer.nat., Prof, (emer.) - Inst, fur Allgem. und Spez. Zool., Naturwissensch. 



77 



