g Radiobiological studies on tissue cultures. Same species as a 



h Micropropagation: large-scale clonal multiplication through shootlet induction in suspension 



cultures of free cells or cell groups. Ananas sativus (Bromeliaceae) 

 i Propagation: plantlet regeneration in callus cultures. Tectona grandis (Verbenaceae), Dalbergia 



sissoo (Papilionaceae) 

 NATSUKARI, Y. - Dept. of Maricult., Fac. of Fish., Nagasaki Univ., 1-14 Bunkyo-machi, 



NAGASAKI, 852 Japan 

 a Embryonic development and early life history. (LoUginidae, Cephalopoda) 

 NAVAGIRI, Mrs. S. S.; M.S. - Dept. of Anat., Med. Coll., NAGPUR-3, M.S., India 

 a Effect of hypertrophic cartilage on perichondral ossification. Gallus domesticus (Aves) 

 b Histological, histochemical, and e.xperimental study of the perichondrium of ossifying and 



non-ossifying cartilages. Same species as a 

 c Histogenesis of tibia. Rana tigrina (Anura), Hemidactylus spec. (Lacertilia), Gallus domesticus 



(Aves) 

 NEBEL, L. A.; M.D., Prof. - Dept. of Embryol. and Teratol., Ch. Sheba Med. Ctr., Tel-Aviv Univ., 



TEL-AVIV, Israel 

 a Studies on immune factors in fertilization, implantation, and placentation. (Rodentia), Homo 



sapiens (Primates) 

 b Effects of immuno-suppressive substances on implantation and embryonic differentiation. 



(Rodentia) 

 c Physio-pathology of cervical mucus in reproductive failure. Homo sapiens (Primates) (with J. 



EICHENBRENNER and D. M. SERR) 

 d Morpho-functional characteristics of the early polar trophoblast durinu implantation. (Rodentia) 



(with A. FEIN) 

 e Antiijcnicity of normal and pathological trophoblast. (Rodentia), Homo sapiens (Primates) (with 



V. TODER and J. MENCZER) 

 NELSON, L.; Ph.D. - Dept. of PhysioL, Med. CoU. of Ohio, P. O. Bo.x 6190, TOLEDO, OH 43614, 



U.S.A. 

 NEMER, M. - Inst, for Cane. Res., 7701 Burholme Ave., PHILADELPHIA, PA 191 11, U.S.A. 

 a DNA transcription and translation of RNA in early stage embryos. Strongylocentrotus pur- 



puratus, Lytechinus pictus (Echinoidea) 

 NENTWIG, Miss M. R.; Ph.D. - Cleveland State Univ., CLEVELAND, OH 44107, U.S.A. 

 NESBITT, Ms. M. N.; Ph.D. - Dept. of Biol., B-022, Univ. of CaUfornia San Diego, LA JOLLA, 



CA 92093, U.S.A. 

 a Role of failure of X-chromosome-inactivation in death of parthenogenones. Mus musculus 



(Rodentia) 

 b Developmental effects of specific chromosomal aberrations. Same species as a 

 NEWBURGH, R. W.; Ph.D., Prof. - Dept. of Biochem. and Biophys., Fac. of Sci., Oregon State Univ., 



CORVALLIS, OR 97331, U.S.A. 

 a Chemical and biochemical changes during development. (Insecta) 

 NEWCOMB, VV.; Ph.D. - Dept. of Bot. and Genet., Univ. of Guelph, GUELPH, Ont. NIG 2W1, 



Canada 

 a Fine structure of embryogenesis with special reference to the suspensor. (Spermatophyta) 

 b Fine structure of endosperm development, especially coenocytic to cellular transition. (Sper- 

 matophyta) 

 c Fine structure, morphogenesis and physiology of nitrogen-fi.xing root nodules. (Leguminosae and 



other Spermatophyta) 

 d Morphogenesis and fine structure of insect-caused galls. (Spermatophyta) 



NEWMAN, sT A.; Ph.D. - Dept. of Biol. Sci., State Univ. of New York, ALBANY, NY 12222, U.S.A. 

 a Role of changes in chromatin proteins in the reprogramming for differentiation of the pre- 

 cartilage mesenchyme in the limb bud (polyacrylamide gel electrophoresis, chromatin fractiona- 

 tion by enzymes, DNA-RNA hybridization). Gallus domesticus (Aves) 

 b Role of cell-to-cell interactions in the spatial patterning of skeletal elements in the Umb bud 



(tissue culture, transmission electron microscopy, gel electrophoresis). Same species as a 

 NIAZI. I. A.; Ph.D. - Dept. of Zool., Univ. of Rajasthan, JAIPUR 302004, India 

 NISHIMURA, H.; M.D., Prof. (Emer.) - Dept. of Developm. Physiol., Centr. Inst, for E.xp. Anim., 



1430 Nogawa, Takatsu, KAWASAKI, 211 Japan 

 NISHIOKA, Miss M.; D.Sc, Prof. - Lab. for Amph. Biol., Fac. of Sci., Hiroshima Univ., Higashisenda- 



cho, HIROSHIMA, Japan 

 a Hybridization among European and Far Eastern forms. (Ranidae; Discoglossidae, Anura) 

 b Morphological and sexual abnormahties in the offspring of animals derived from irradiated eggs 



or sperm. Rana nigromaculata, R. japonica, Bombina orientalis (Anura) 

 c Color mutants detected by diploid gynogenesis from wild animals or those derived from 



irradiated gametes. Rana nigromaculata, R. brevipoda, Hyla arborea japonica (Anura) 

 NIU, M.C.; Ph.D., Prof. - Dept. of Biol., Temple Univ., Broad & Berks St., PHILADELPHIA, 



PA 191 22 U.S.A. 

 NODA, Y. D.; Ph.b!, Assoc. Prof. - Biol. Inst., Ehime Univ., Bunkyo-cho MATSUYAMA, 790 Japan 

 a Ultrastructural changes during fertilization in vitro. Mesocricetus auratus, Mus musculus, Rattus 



spec. (Rodentia) 

 b FertiUzation. Nereis spec. (Polychaeta), Urechis spec. (Echiuroidea; Echinoidea) 

 NOGAMI, H.; M.D. - Dept. of Embryol., Inst, for Developm. Res., Aichi Pref. Colony, Kamiya-cho, 



KASUGAI, Aichi 480-03 Japan 

 a Induction, origin, and development of bone and cartilage cells (implantation, explantation). 



Rattus spec, Mus musculus (Rodentia) 



65 



