PANELIUS, S. Ph.D. — Dept. of Zool., Univ. of Helsinki, P.Rautatiekatu 13, 00100 



HELSINKI 10, Finland 

 a Germ line (histology, cytology) during parthenogenetic and bisexual developmental 

 cycles; ovarian development in relation to different developmental cycles. Heteropeza 

 pygmaea (Cecidomyiidae, Dipteca) 

 PANIGEL, M. Dr.en Med., Dr.es Sci., Prof. — Inst. Natl, de la Sante et de la Rech. Med., 

 Unite de Physiol, placent., Hop. Saint-Antoine, 184 rue du Faubourg Saint-Antoine, 75 

 PARIS Xlle, France 

 PANITZ, R. Dr. — Inst, fur Kulturpflanzenforsch. der Deutschen Akad. der Wissensch. zu 



Berlin, GATERSLEBEN, Kr.Aschersleben, East Germany 

 PANKOW. W. dipl.Nat.wiss. — Lab. for Developm. Biol., Swiss Fed. Inst, of Technol., 



Sonneggstr. 5, 8006 ZURICH, Switzerland 

 a Effects of hormones and ions on gene function. Drosophila spec. (Diptera) 

 PANNBACKER. R. G. Ph.D. — Charles F. Kettering Research Labs., 150 E. South College 



St., YELLOW SPRINGS, Ohio 45387, U.S.A. 

 a The chemical nature of aggregation hormones. Dictyostelium discoideum (Acrasiales) 

 b Histochemistry of differentiation at the multicellular level. Dictyostelium discoideum 



(Acrasiales) 

 PANNESE, E. M.D., Prof. — Inst, of Human Anat, Univ. of Milano, Via Mangiagalli 31, 



20133 MILANO, Italy 

 a Histochemical study at the electron microscope level of the differentiation of neuroblasts 



in embryonic spinal ganglia. Gallus gallus (Aves) 

 PANT (AIYAR), Mrs. R. Ph.D. — Dept. of Biochem., Fac. of Sci., Allahabad Univ., 



ALLAHABAD-2, U.P., India 

 a Lipid metabolism and characterization of phospholipids during development from embryo 

 till young adult (thin layer and gas-liquid chromatography). Philosamia ricini (Lepidopte- 

 va) (with G. Ch. NAUTIYAL and J. B. SINGH) 

 b Enzymes in the egg and in the fat body from larva till young adult. Same species as a 



(with K. K. SHARMA) 

 c Cuticle proteins in egg shell, larva, and pupa (electrophoresis). Same species as a (with 



R. DUBEY) 

 PANTELOURIS, E. M. Ph.D. — Biol. Dept., School of Biol. Sci., Univ. of Strathclyde, 



George St., GLASGOW C.l, Scotland, U.K. 

 a Effects of radiation on foetuses and means of alleviating them. Mus musculus (Rodentia) 

 b Ontogenesis and inheritance of iso-enzymes. Drosophila spp (Diptera), Mus musculus 



(Rodentia) 

 c Development of lymphoid tissues and immue responses. Mus musculus (Rodentia) 

 PAPACONSTANTINOU, J. Ph.D. — Biol. Div., Oak Ridge Natl. Lab., P.O.Box Y, OAK 

 RIDGE, Tenn. 37830, U.S.A. • 



PAPILLON, J. A. Ing. — Lab. de Zool., Ecole Norm. Superieure, 46 rue d'Ulm, 75 PARIS 



Ve, France 

 a Kinetic studies of enzymes involved in pteridine metabolism during postembryonic 



development. Pieris brassicae (Lepidopteca) 

 b Protein polymorphism. (Lepidopteca) 

 PARK, Miss H. D. Ph.D. — Natl. Inst, of Arthritis and Metabol. Diseases, Bldg. 2, Rm 



Bl-14, BETHESDA, Md. 20014, U.S.A. 

 a Cell division, differentiation and movement during regeneration. Hydra pseudoligactis 



(Hydrozoa) 

 b Comparison of two species with respect to budding and regeneration. Hydra pseudoligactis, 



H. littoralis (Hydrozoa) 

 PARRINELLO, N. D.Sci. — 1st. di Zool., Univ. di Palermo, Via Archirafi 18, 90123 



PALERMO, Italy 

 a Immunology of two subspecies. Discoglossus pictus (Anura) 

 PARSONS, R. M.Sc. — Muse. Dystrophy Res. Labs., Newcastle Gen. Hosp., NEWCASTLE 



upon Tyne NE4 6BE, England 

 a Speed of movements exhibited by small cytoplasmic inclusions in myogenic cells cultured 

 from normal and dystrophic muscles (cinemicrography with differential interference 

 microscopy) . Mus musculus (Rodentia) 

 PARTANEN, C. R. Ph.D., Prof. — Dept. of Biol., Univ. of Pittsburgh, PITTSBURGH, Pa. 



15213, U.S.A. 

 a Nuclear aspects of cellular differentiation in vitro. Allium cepa (Liliaceae) , Pteridium 



aquilinum (Filicinae) 

 b Developmental genetics of gametophytes. Pteridium aquilinum, Ceratopteris thalictroides, 



Osmunda regalis, O. cinnamomea (Filicinae) 

 c Radiation and chemical induced developmental anomalies. Same species as b 

 PASCAUD, M. Dr., Prof. — Inst, de Recherches sur le Cancer, C.N.R.S., B.P. 8, 94 



VILLEJUIF, France 

 a Linoleic acid metabolism and renewal in the growing animal. Rattus spec. (Rodentia) 

 PASCHIN, Y. V. Cand.med.sci. — Phenogenet. Lab., Inst, of Gen. Genet., Acad, of Sci. of 

 the U.S.S.R., 7(1) Profsojuznaya St., MOSCOW B-133, U.S.S.R. 



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