Med., Univ. of Pennsylvania, 4001 Spruce St., PHILADELPHIA, Pa. 19174, U.S.A. 

 a Correlations between glutamine synthetase development and specific structural biochemical, and 



physiological events in the functional maturation of nervous tissue (retina and brain). Gallus 



domesticus (Aves) 

 P1ERRO, L. J.; Ph.D., Prof. - Dept. of Anim. Genet., Storrs Agric. Exper. Station, Univ. of 



Connecticut, STORRS, Conn. 06268, U.S.A. ISDB 



a Chemical teratogenesis: inhibitors of nucleic acid and protein metabolism. Gallus domesticus 



(Aves) 

 b Eye development. Mus musculus (Rodentia) 

 c Developmental genetics. Same species as a and b 



PIK6, L.; Ing. Agr., D. V. M. - Developm. Biol. Lab., Vet. Adm. Hosp., SEPULVEDA, CA, U.S.A. 



ISDB 



PILAR, G. R.; M.D., Prof. - Regulatory Biol., Biol. Sci. Group, Univ. of Connecticut, STORRS, 



Conn. 06268, U.S.A. 

 a Formation and function of synapses, and cell death in ganglia. (Aves) 

 P1LK1NGTON, J. B.; Ph.D. - Dept. of Zool., Univ. of Otago, DUNEDIN, New Zealand 

 a Physiology of calcified endolymphatic deposits during metamorphosis. Litorea aurea (Anura) 

 P1PA, R. L.; Ph.D., Assoc. Prof. - Div. of Entomol., Univ. of Calif., BERKELEY, CA 94720, U.S.A 

 PIPERBERG, J. B.; B.A. - Dept. of Histol., Embryol., and Genet., Sch. of Dent. Med., and Dept. of 



Biol., Univ. of Pennsylvania, 4001 Spruce St., PHILADELPHIA, Pa. 19174, U.S.A. 

 a Cortisol receptor protein in the embryonic retina (chromatin binding capacity in target and 



non-target tissues). Gallus domesticus (Aves) 

 b A protein catalogue of embryonal and adult proteins and their time of appearance in relation to 



morphogenesis. Fundulus heteroclitus (Teleostei) 

 PITOT, H. C; M.D., Ph.D. - McArdle Lab. for Cancer Res., Univ. of Wisconsin, 450 N. Randall Ave., 



MADISON, Wis. 53706, U.S.A. 

 a RNA template stabilization in differentiation and neoplasia 



POIRIER, G. R.; Ph.D. - Dept. of Biol., Univ. of Alabama, 1919 Seventh Ave. South, BIRMING- 

 HAM, AL 35233, U.S.A. 

 POLLARD, D. R.; Ph.D. - Dept. of Anat., Cornell Univ., Med. Coll., 1300 York Ave., NEW YORK 



NY 10021, U.S.A. 

 a Expression of embryonic-lethal genotypes in the allophenic animal. Mus musculus (Rodentia) 

 b Effect of nucleic acid and protein inhibitors on cleavage stage embryos in vitro. Same species as a 

 PORRAS de CARRERO, Mrs. I.; Lie. Bio. - Cat. de Embriol., Fac. de Med., Univ. de Los Andes, 



MERIDA, Venezuela 

 a Development of the vascular system in limb muscles (injected specimens). Homo sapiens 



(Primates) 

 b Development of the pericardial sac and its vascular pattern (injected specimens). Same species as a 

 PORTER K R ; Ph.D., Prof. - Dept. of Molec, Cell., and Developm. Biol., Univ. of Colorado, 



BOULDER, CO 80302, U.S.A. ISDB 



POSTLETHWA1T, J. H.;Ph.D. - Dept. of Biol., Univ. of Oregon, EUGENE, Ore 97403, U.S.A. 

 a The clonal nature of determination in homoeotic mutants. Drosophila melanogaster (Diptera) 

 b The mechanism of action of homoeotic mutants. Same species as a. 

 c The heritability of sex determination in triploid intersexes. Same species as a. 

 d The role of the cortex in early development. Same species as a. 

 e The hormonal control of metamorphosis. Same species as a. 

 f Hormonal and genetic control of oogenesis. Same species as a 

 POULSON, D. F.; Ph.D., Prof. - Dept. of Biol., Kline Biol. Tower, Yale Univ., NEW HAVEN, Conn. 



06520, U.S.A. ISDB 



a Mid-gut: genesis and differentiation. Drosophila melanogaster (Diptera) 

 b Chromosomal control of differentiation. Same species as a 

 c Neurogenesis in normal and genetically deficient embryos. Same species as a 

 d Maternally inherited sex-ratio disturbances of development. Drosophila melanogaster, D. bifascia- 



ta, D. willistoni, D. nebulosa, D. equinoxialis, D. robusta, D. paulistorum (Diptera) 

 e Developmental genetics. Same species as a 

 POURANY, Mrs. A.; M.Sc. - Dept. of Anat., Jawaharlal Inst, of Postgrad. Med. Educ. and Res., 



PONDICHERRY-605006, India 

 a Histogenesis of islets of Langerhans. Homo sapiens (Primates) 

 PRAHLAD, K. V.; Ph.D., Prof. - Dept. of Biol. Sci., Northern Illinois Univ., DeKALB, 111. 60115, 



U.S.A. 

 a Biochemical and morphological effects of thyroid hormones on embryonic tissues. Xenopus 



laevis (Anura) 

 b Effect of pesticides on embryogenesis and initiation of endocrine function, especially in the 



thyroid gland. Xenopus laevis (Anura), Gallus domesticus (Aves) 

 PRASAD, M. R. N.; Ph.D., Prof. - Dept. of Zool., Univ. of Delhi, DELHI 110007, India 

 a Action mechanism of hormones on nucleic acid and protein synthesis in the blastocyst and 



uterus. Rattus spec., Mesocricetus auratus (Rodentia) 

 PRATT, R. M.; Ph.D. - Exper. Pharmacol. Sect., Natl. Inst, of Dent. Res., Natl. Inst, of Health, Bldg. 



30, BETHESDA, Md. 20014, U.S.A. 

 a Biochemical and morphological changes in the epithelium of the secondary palate at the time of 



programmed cell death. (Rodentia) 

 b Programmed cell changes in the secondary palate: lysosomal enzyme DNA and RNA synthesis, 



acid mucopolysaccharide and glycoprotein synthesis, collagen synthesis and the role of cAMP. 



(Rodentia) 



69 



