b Experimental study of development of gonads. Mus (Rodentia) (in col- 

 laboration with J. S. LATTA and A. O. CHAPMAN) 

 HOMMES. O. — Anat.-Embryol. Lab.. Free Univ., Pr. Hendnklaan 27, 

 AMSTERDAM Z, Holland 

 a. Influence of influenza-virus during pregnancy on the developing em- 

 bryo. Mus musculus (Rodentia) (in collaboration with J. LANGMAN) 

 HOOKER D Ph.D., Sc.D.(Hon.), Prof. — Dept of Anat., School of Med., 

 Univ.' of Pittsburgh, PITTSBURGH 13, Pa. U.S.A. 



a. Study of the physiological responses of fetuses. Homo (Primates) 



b. Study of the reactivity of the fetus to exteroceptive stimulation. Homo 

 c Responses of fetuses to double simultaneous stimulation. Homo (Prima- 



tes) (in collaboration with Miss T. HUMPHREY) 

 HORI. R. M.Sc. — Biol. Inst.. Fac. of Lib. Arts. Toyama Univ.. TOYAMA, 



Japan t \ r^ 



a. Electrical phenomena accompanying fertilization. (Echinoidea), Oryzias 



latipes (Teleostei) 

 HORN E C. B.S.. A.M., Ph.D., Prof. — Dept of Zool., Duke Univ.. 

 DURHAM, N.C., U.S.A. 



a. Qualitative and quantitative analysis of nucleoprotein durmg develop- 

 ment. Gallus gallus (Aves) 



b. Effects of nucleoprotein on embryonic development. Gallus gallus (Aves) 

 HoRSTADIUS, S. F.I.I.E., Fil.Dr, Prof. — Zool. Inst., Uppsala Univ., 



UPPSALA, Sweden 



a. Determination in the egg: Analysis of the gradients and the processes 

 behind them. (Echinoidea) 



b. Determination within the head. Ambystoma (Urodela) 



c. The effect of various antimetabolites on embryonic development. (Echi- 

 noidea) (in collaboration with T. GUSTAFSON) 



HUBER, W. D.Sc. — Museum d'Histoire Naturelle, BERNE, Suisse 

 a. Developpement de la tete. Etude morphologique et experimental de la 

 forme encephalique en rapport avec le crane; courbures et redressement 

 de la tete embryonnaire; position des yeux; analyse des races a forme 

 encephalique aberrante. Gallus domesticus (Aves), Canis familiaris 

 (Carnivora) 



HUBL, H. Drrer.nat. — Zool. Inst, der Univ., Naturw. Fak., Rontgenring 

 10, WQRZBURG, Deutschland 



a. Einfluss des Colchicins auf die Regeneration. Lumbricus, Tubifex 



b. Untersuchungen iiber die neurosekretorischen Zellen im Gehirn und 

 deren Einfluss auf die Regeneration. ( Lumbricidae , Oligochaeta) 



c. Weitere Untersuchungen uber die Beziehungen zwischen Nervensystem 

 und Regeneration. (Lumbricidae, Oligochaeta) 



HUGHES, A. F. W. M.A., Ph. D., Sc. D. — Anat. School, Univ. of Cam- 

 bridge, CAMBRIDGE, England (U.K.) 

 a. U.V. microscopy of developing nervous system. 

 HUGHES— GLASTONE, Mrs S. F.D.S. — Anat. School, Univ. of Cam- 

 bridge, CAMBRIDGE, England (U.K.) 

 a. Development and differentiation of teeth. (Mammalia) 

 HULTIN, J. M. T. Ph.D. — Wenner-Grens Inst, for exper. Biol., Norrtulls- 

 gatan 16, STOCKHOLM Va.. Sweden 

 a. Nucleotide and carbohydrate metabolism of embryos in connection with 

 determination. (Echinoidea) 



49 



