b Monamine development in the nervous system. Gallus domesficus (Aves) (in collaboration 



with L. NORD) 

 HALBA, R. M.Sc. — Inst, of Zool., Warsaw Univ., Krakowskie Przedmiescie 26/28, 



WARSZAWA 64, Poland 

 a Ossification of the skull. (Charaddidae, Aves) 

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



Hawaii 96822, U.S.A. 

 HALFER. Miss C. — 1st. di Genet., Univ. di Milano, Via Celoria 10, 20133 MILANO, Italy 

 a Ovary transplantation. Drosophila spec. (Diptera) 



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

 HALL, B. K. Ph.D. — Dept. of Biol., Dalhousie Univ., HALIFAX, Nova Scotia, Canada 

 a Studies on the origin of cartilage and bone from common germinal cells. Gallus domesticus 



(Aves) 

 h Studies on the control of organ size, especially the adrenal gland. (Gallus domesticus 



(Aves) 

 HALL, Mrs. E. J. B.A. — Dept. of Zool.. Univ. of British Columbia, VANCOUVER 8. 



B.C., Canada 

 a Ultrastructure of the development of the yolk sec. Raja binoculata (Selachii) (in col- 

 laboration with P. FORD) 

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



80302, U.S.A. 

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



Japan • 



HAMADA, K. M.D. — Dept. of Biochem., Nippon Med. School, 1-1-5, Sendagi, Bunkyo-ku, 



TOKYO, Japan 

 a Genetic control of hemoglobin switch during metamorphosis. Rana catesbeiana (Anura) 



(in collaboration with A. KAJITA and R. SHUKUYA) 

 HAMBURGER. K. Cand.mag. — Biol. Inst, of the Carlsberg Found.. Tagensvej 16. 2200 



COPENHAGEN, N., Denmark 

 a Studies on respiratory metabolism during early development by means of the gradient diver 



technique. Rana oxyrrhinus, R. platyrrhinus (Anura) 

 HAMBURGER, V. Ph.D., Prof. — Dept. of Biol.. Washington Univ., ST. LOUIS, Mo. 



63130, U.S.A. • 



a Neuro-embryologie. Gallus domesticus (Aves) 

 b Embryology of behavior. Chelydra serpentina (Chelonia), Gallus domesticus (Aves), 



Rattus domesticus (Rodentia) 

 HAMBURGH, M. Prof. — Dept. of Biol., City Coll. of the Univ. of New York. Convent 



Ave. and 139th St.. NEW YORK. N.Y. 10031. U.S.A. 



— Dept. of Anat., Albert Einstein Coll. of Med.. Eastchester Rd. and Morris Park Ave.. 



NEW YORK. Bronx, N.Y. 10461, U.S.A. 

 a Tissue culture of demyelinating mutants. Mus musculus (Rodentia) 

 h Culture of muscle of dystrophic mutants. Mus musculus (Rodentia) 

 c Effect of trypan blue on lysosomal enzymes of the yolk sac placenta of trypan blue treated 



embryos (histochemistry). (Mammalia) 

 d Effect of trypan blue on ion permeability in the embryo. (Amphibia) 

 e Effect of trypan blue on the expressivity of the brachyury gene, which affects skeletal 



morphogenesis in a somewhat similar manner as does trypan blue. Mus musculus 



(Rodentia) 

 f Effect of thyroxin on hormones affecting myelin formation and cell proliferation in nerve 



tissue culture. (Rodentia) 

 g Correlation of behavioral enzymatic and morphological changes in the developing nervous 



system as a result of hormone manipulation. Mus musculus, Rattus norvegicus (Rodentia) 

 HAMILTON, H. L. Ph.D.. Prof. — Dept. of Biol.. Univ. of Virginia. Gilmer Hall. 



CHARLOTTESVILLE. Va. 22903. U.S.A. • 



HAMILTON, Miss L. Ph.D. — Dept. of Biol, as applied to Med.. The Middlesex Hosp. 



Med. School. LONDON W.l. England 

 a Analysis of haploid syndrome. Xenopus spp. (Anura) 



b Radiation sensitivity of haploid and diploid embryos. Xenopus laevis (Anura) 

 c Investigation of haploid and diploid tissues by electron microscopy. Xenopus laevis 



(Anura) (in collaboration with H. FOX) 

 HAMILTON. T. H. Ph.D., Prof. — Dept. of Zool, The Univ. of Texas. AUSTIN. Tex. 



78712. U.S.A. 

 a Effects of steroid hormones on genital duct differentiation in embryos studied in vivo 



and in vitro. Gallus domesticus (Aves) 

 HAMILTON. W. J. Prof. — Dept. of Anat., Charing Cross Hosp. Med. School. 62 



Chandos Place, LONDON W.C.2. England • 



a Development and structure of the placenta. Homo sapiens (Primates) 

 HAMMERLING, J. Dr.phil., Prof. — Max-Planck-Inst. fiir Zellbiol., Anton-Dohrn-Weg, 



Postfach 1009, D 294 WILHELMSHAVEN. W. Germany • 



a Nucleo-cytoplasmic relationships. Acetabularia spec, and other spp. (Algae) 



72 



