HEWITT, W. M.B., B.S. — Dept. of Anat, St. Thomas's Hosp. Med. School, LONDON 



S.E.I, England 

 a Development of the brain. Homo sapiens and other spp. (Mammalia) 

 HEYN, A. N. J. Prof. — Dept. of Biol. Sci., Louisiana State Univ., Lake Front, NEW 



ORLEANS, La. 70122, U.S.A. 

 a Egg shell formation and structure. Gallus domesticus (Aves) 



b Ultrastructure of cell wall in relation to development. Avena sativa (Gramineae) 

 c Action of plant growth hormones. 

 HIBBARD, E. Ph.D., Prof. — Dept. of Biol., Coll. of Sci., Pennsylvania State Univ., 208 Life 



Sciences I, UNIVERSITY PARK, Pa. 16802, U.S.A. 

 a Effects of polarity on differentiation of sensory structures and outgrowth of nerve fibres. 



Xenopus laevis and other spp. (Amphibia) 

 HICKEY, Miss E. D. Ph.D. — Dept. of Anim. Genet., Storrs Agric. Exper. Station, Univ. 



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

 a Effects of protein starvation on subcellular RNA and protein degradation in regions of 



the explanted early embryo. Gallus spec. (Aves) (with N. W. KLEIN) 

 b Role of acid hydrolases in the regional specificity of macromolecular breakdown in 



explanted early embryos under protein starvation. Same species as a (with N. W. KLEIN) 

 HIDIROGLOU, M. D.V.M. — Anim. Research Inst., Central Experiment Farm, OTTAWA, 



Ont, Canada 

 a Phytyl chain of tocopherol transfer from mother to fetus. Ovis aries (Artiodactyla) 

 HILD, W. J. M.D., Prof. — Dept. of Anat., Med. Branch, Univ. of Texas, GALVESTON, 



Tex. 77550, U.S.A. 

 a In vitro development of retinal explants; differentiation of sensory cells and synaptic 



complexes. Rattus norvegicus (Rodentia), Felis domestica (Camivora) 

 HILFER, S. R. Ph.D., Prof. — Dept. of Biol., Temple Univ., Broad & Berks St., PHILA- 

 DELPHIA, Pa. 19122, U.S.A. • 

 HINDMAN, J. L. Ph.D., Prof. — Program in Gener. Biol., Washington State Univ., PULL- 

 MAN, Wash. 99163, U.S.A. 

 a Factors affecting formation of callus from floral apices and the subsequent differentiation 



of the callus tissue into organized buds. Nicotiana tabacum (Solanaceae), Aquilegia spec. 



(Ranunculaceae) 

 HINDS, J. W. Ph.D. — Dept. of Anat., Boston Univ., 80 E.Concord St., BOSTON, Mass. 



02118, U.S.A. 

 a Golgi impregnation and electron microscopic study of neurogenesis and gliogenesis in the 



olfactory bulb. Mus musculus (Rodentia) 

 b Early neurogenesis in spinal cord and cerebral cortex (electron microscopy, Golgi 



impregnation) . Mus musculus (Rodentia) 

 HINRICHSEN, K. Dr.med., Prof. — Inst, fur Anat. der Ruhr-Univ. Bochum, Postfach 2148, 



463 BOCHUM, W.Germany 

 a Thymus and lymphatic system, cell regeneration and migration. Mus musculus (Rodentia) 

 b Morphogenesis of epitheliogenic organs. Mus musculus (Rodentia), Homo sapiens 



(Primates) 

 HINSCH, Miss G. W. Ph.D., Prof. — Inst, of Molec. Evol., Univ. of Miami, 521 Anastasia 



Ave., CORAL GABLES, Fla. 33134, U.S.A. • 



HIRABAYASHI, T. Ph.D. — Inst, of Zool., Tokyo Kyoiku Univ., Otsuka 3-29-1, Bunkyo-ku, 



TOKYO, Japan 

 a Immunochemistry of muscle differentiation. Rana nigromaculata (Anura), Gallus domesticus 



(Aves) 

 HIRADHAR, P. M.Sc. — Dept. of Zool., Fac. of Sci., M.S. Univ. of Baroda, BARODA-2, 



India 

 a Tail regeneration in the adult. Hemidactylus flaviviridis (Lacertilia) 

 HIRAMOTO, Y. D.Sc, Prof. — Misaki Marine Biol. Station, Univ. of Tokyo, MISAK1 



Kanagawa-ken, Japan • 



a Cell division. (Echinoidea) 

 b Physical properties of eggs. (Echinoidea) 

 c Physiology of fertilization. (Echinoidea) 

 HIRN, M. Dipl.d'Etud.Approf. — Lab. de Morphogenet. Anim., Centre Saint Charles, Univ. 



de Provence, Place Victor Hugo, 13 MARSEILLE 3e, France 

 a Regeneration. Cercyra hastata (Turbellaria) 

 HOADLEY, L. Ph.D., Prof.(Emer.) — Biol. Labs., Harvard Univ., 16 Divinity Ave., 



CAMBRIDGE, Mass. 02138, U.S.A. • 



HOAR, R. M. Ph.D. — Teratol. Sect., Dept. of Exper. Pathol, and Toxicol., Research Div., 



Hoffman-La Roche Inc., NUTLEY, N.J. 07110, U.S.A. 

 a The relationship between hyperadrenal conditions and birth defects, in particular placental 



endocrine activity and the adrenal activity of embryos exposed to maternal hyper- 



adrenocorticalism. Cavia porcellus (Rodentia) 

 b The relationship between hypoadrenal conditions and birth defects, in particular functional 



defects of the central nervous system of fetuses exposed to maternal hypoadrenocorticalism. 



Cavia porcellus (Rodentia) 



78 



