HADDAD, V. M.D. — Dept. of Physiol., School of Med., Tufts Univ., 136 Harrison Ave.. 



BOSTON, Mass. 02111, U.S.A. 

 a Hormonal induction of pseudopregnancy. I^attus norvegicus (Rodenfia) 



• HADORN, E. Dr. Phil., Prof. — Zool.-vergl.Anat. Inst., Naturwiss. Fak., Univ. Zurich. 



Kiinstlcrgasse 16. 8006-ZuRICH, Schweiz 



a Determination, transdetermination and differentiation in cells of imaginal discs. Drosophila 

 melanog aster (Diptera) 



HAGELIN, L. O. Fil.lic. — Zool. Inst., Univ. of Stockholm, 70A Radmansgatan, STOCK- 

 HOLM, Sweden 



• HAGET. A. Dr.es Sci., Prof. — Lab. de Zool. exper., Fac. des Sci. de Bordeaux, 40 Rue 



Lamartine, TALENCE (Gironde), France 



a Analyse experimental de la morphogenese embryonnaire de la tete. Leptinotarsa spec. 

 (Coleoptera) 



b Role du systeme nerveux dans la morphogenese embryonnaire des pattes. Leptinotarsa spec. 

 (Coleoptera) 



c Recherches sur I'edification de la blastule et de la gastrule. Leptinotarsa spec. (Coleoptera) 



HAGGIS, A. J. Ph.D. , Prof. — Biol. Dept., The Reed Inst., PORTLAND, Ore. 97202. U.S.A. 



a Nucleic acid synthesis of eggs and embryos. 1. DNA during oogenesis. 2. RNA differen- 

 ces during development. Rana pipiens, Xenopus laevis (Anura) 



HAGIWARA, A. D.Sc. — Lab. of Developmental Biol., Zool. Inst.. Fac. of Sci.. Univ. of 

 Kyoto, Japan 



a Mechanisms of antibody formation. Rattus spec. (Rodentia) 



h Development of antibody cells. Xenopus laevis (Anura) 



HAGLUND, Miss B. M. Fil.lic. — Dept. of Zoophysiol., Univ. of Umea. UMEA 6. Sweden 



a Permeability and osmoregulation. Xenopus laevis, Rana spp. (Anura). Siredon mexicanum 

 (Urodela) (in collaboration with S. L0VTRUP) 



HAGSTROM, J. W. C. M.D., Prof. — Dept. of Pathol.. Fac. of Med.. Cornell Univ.. 1300 

 York Ave., NEW YORK, N.Y. 10021, U.S.A. 



a Bone formation in limb rudiments cultured in a chemically defined medium; role of O2. 

 CO2, N, and vitamin C. (in collaboration with L. W. GORHAM) 



HAKANSSON, L. M.D. — Tornblad-Inst. for comp. Embryol., Biskopsgatan 7. LUND. 

 Sweden 



a Chromosome biochemistry during development. Callus domesticus (Aves), Homo sapiens 

 (Primates) 



b Monamine development in the nervous system. Callus domesticus (Aves) (in collabora- 

 tion with L. NILSSON) 



HALEY, S. R. Ph.D. — Dept. of Zool.. Univ. of Hawaii, 2538 The Mall, HONOLULU. 

 Hawaii 96822, U.S.A. 



a Histochemistry of gametogenesis. Ocypode albicans (Ocypodidae. Brachyura. Crustacea) 



b Relative growth patterns. Ocypode albicans (Ocypodidae, Brachyura, Crustacea) 



c Pre-larval development (histochemistry). Ocypode albicans (Ocypodidae, Brachyura. 

 Crustacea) 



HALFER. Miss C. — 1st. di Genet.. Univ. di Milano. Via Celoria 10. MILANO. Italia 



a Ovary transplantation. Drosophila spec. (Diptera) 



b DNA replication in cells cultured in vitro. Drosophila melanogaster (Diptera) 



HALL, B. K. B.Sc. — Dept. of Zool., Fac. of Sci., Univ. of New England. ARMIDALE 

 5 N., N.S.W., Australia 



a The histochemistry of adventitious (secondary) cartilage. Callus domesticus (Aves) 



h In vitro studies on the role of mechanical stimulation in the initiation of adventitious 

 cartilage formation. Callus domesticus (Aves) 



HALLER, G. de Ph.D. — Inst, de Zool.. Univ. de Geneve. 3. rue de Candolle. 1200 GENE- 

 VE, Suisse 



a Inheritance, multiplication, and morphogenesis of cellular organelles studied by means of 

 electron microscopy and genetical methods. Paramecium aurelia, P. bursaria (Holotricha), 

 Onychodromus grandis, Stylonychia mytilus ( Spirotricha, Ciliata) 



HAM, R. G. Ph.D. — Inst, for Developm. Biol.. Univ. of Colorado. BOULDER, Colo. 80302, 

 U.S.A. 



a Differentiation of cells in vi t r o. Cricetulus griseus (Rodentia), Oryctolagus cuniculus 

 (Lagomorpha) 



h Culture media for freshly isolated cells during differentiation. Oryctolagus cuniculus (Lago- 

 morpha) 



• HAMA, T. D.Sc, Prof. — Biol. Inst., Fac. of Sci.. Nagoya Univ.. Chikusa-ku. NAGOYA. 

 Japan 



a Relationship between pteridine metabolism and differentiation of chromatophores. Oryzias 

 latipes (Teleostei), Cynops pyrrhogaster (Urodela) 



b Tissue culture of neural crest. (Teleostei: Urodela) 



c Metabolic analysis of the organizer. Cynops pyrrhogaster (Urodela) 



HAMANO, S. D.Sc. — Lab. of Physiol, and Ecol.. Dept. of Biol.. Fac. of Fish., Hokkaido 

 Univ.. Minato-cho 253, HAKODATE, Hokkaido, Japan 



a Physico-chemical studies on activation and fertilization. (Teleostei) 



63 



