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



musculus (Rodentia) 

 b The effect of hormones (testosterone propionate) on ovary development in infancy. Same 



species as a 

 c Oogenesis. Various spp. (Mammalia) 



PETERS, J. J. Ph.D., Prof. — Dept. of Biol., Xavier Univ., Victoria Parkway, CINCIN- 

 NATI, Ohio 45207, U.S.A. 

 a Episodes of conspicuously rhythmic electroencephalographic activity following hypothermic 



hypoxia in embryos between 15th and 20th dag of incubation. Gallus domesticus (Aves) 

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



Olbersweg 24, 2 HAMBURG- Altona 1, W.Germany 

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



Anguilla anguilla (Teleostei) 

 b Development of eye-rudiments in cave-fish. Astyanax mexicanus (Characinidae, Teleostei) 

 PETERS, Th. Dr.med. — Anat. Inst, der Univ. Giessen, Friedrichstr. 24, 63 GIESSEN, 



W.Germany 

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

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

 PETRUCCI, D. — Inst, of Gen. Biol., Univ. of L'Aquila, L'AQUILA, Italy 

 a Biochemical regulation mechanisms in the glycolytic and pentose phosphate pathways and 



citric acid cycle of eggs and embryos. Bufo bufo, Rana esculenta, Xenopus laevis (Anura), 



Triturus triturus (Urodela) 

 b Anabolic and oxidative reactions of mitochondria isolated from eggs and embryos. Bufo 



bufo, Rana esculenta (Anura) 

 PETRY, G. Dr.med., Prof. — Anat. Inst., Univ. Marburg, Robert-Koch-Str. 6, 355 MAR- 



BURG/Lahn, W.Germany 

 a Experimental developmental morphology of preimplantation stages, postimplantation 



stages and their endocrinological developmental control. Oryctolagus cuniculus (Lago- 



morpha), Cavia porcellus, Rattus spec. (Rodentia) 

 b Feto-maternal relationship, especially reactions to endometrial cells (giant cells). Oryctola- 

 gus cuniculus (Lagomorpha) 

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



fur Immunbiol., Stefan-Meier-Str. 8, 78 FREIBURG i.Br., W.Germany 

 a Protein and nucleic acid synthesis in early cleavage stages. Oryctolagus cuniculus 



(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 Experimental morphology of the aortic arches and branchial arches. Gallus domesticus 



(Aves) 

 c Embryophysiology of the circulation in the aortic arches and the heart. Gallus domesticus 



(Aves) 

 d Cell death in the development of the heart. Gallus domesticus (Aves) 

 PFLUGFELDER, O. Dr.rer.nat., Prof. — Inst, fur Allgem. und Spez. Zool., Naturwissensch. 



Fak., Universitat Hohenheim, 7 STUTTGART 70, W.Germany 

 a Anderung des Stoffwechsels nach Storung des hormonalen Gleichgewichts. (Insecta) 

 b Histophysiologie der Corpora allata nach experimenteller Beeinflussung. (Insecta) 

 c Biomorphose 



d Egg formation in giant animals. Carausius morosus (Phasmida) 

 e Embryologie. Dactylopius coccus (Coccina, Homoptera) 



PHILLIPS, H. M. Ph.D. — Dept. of Biol., Univ. of Virginia, Gilmer Hall, CHARLOTTES- 

 VILLE, Va. 22903, U.S.A. 

 a Measurement of intercellular adhesiveness in cohering populations of embryonic cells. 



Gallus domesticus (Aves) 

 PHILLIS, J. W. Ph.D., D.Sc. — Dept. of Physiol., Univ. of Manitoba, 770 Bannatyne 



Ave., WINNIPEG 3, Man., Canada 

 a Descriptive morphology and histochemistry, and experimental morphology of the cerebellum 



(C.R. length 2 cm until after birth). Felis domestica (Carnivora) 

 PHILPOTT, G. W. M.D. — Dept. of Surg., Washington Univ., ST.LOUIS, Mo. 63110, 



U.S.A. • 



PIATIGORSKY, J. Ph.D. — Developm. Biol. Branch, Natl. Inst, of Child Health and Human 



Development, Natl. Inst, of Health, Bldg. 36, Rm.3B-07, BETHESDA, Md. 20014, U.S.A. 



• 



a Ultrastructural aspects of lens development: 1. Protein synthesis; 2. The role of micro- 

 tubules. Gallus domesticus (Aves) 



b Mitochondrial RNA and protein synthesis in eggs; RNA synthesis during oogenesis. 

 Lytechinus pictus, Strong ylocentrotus purpuratus (Echinoidea) 



PIATT, J. Ph.D. — < Dept. of Anat.. Sch. of Med., Univ. of Pennsylvania, PHILADELPHIA, 

 Pa. 19104, U.S.A. • 



141 



