b. Distribution of ribonucleic acid during fission and autogamy. Paramecium 

 spec. (Holotricha, Ciliophora) 



c. The effect of anti-metabolites on the development of feeding organelles. 

 Paramecium spec. (Hohtricha, Ciliophora) 



HARA, K. B.Sc. M.Sc. — Hubrecht Lab., Intern. Embryol. Inst., Janskerk- 

 hof 2, UTRECHT. Holland 



HARDER, W. Dr rer.nat. — Inst, fiir Fischereibiol. der Univ. Hamburg, 

 Holstenwall 24, HAMBURG 36. Deutschland 

 a. Post-embryonale Entwicklung, insbesondere die Umwandlungen des 

 Verdauungsapparates wahrend der Metamorphose. Vergleichende Un- 

 tersuchungen innerhalb zweier Familien. Clupea harengus, C. sprattus, 

 C. pilchardus (Clupeidae), EngrauUs encrasicholus (Engraulidae, 

 Teleostei) 



HARKMARK, W. Dr med. — Anat. Inst., Univ. of Oslo, OSLO, Norway 



a. Olivocerebellar relationships during embryogenesis. Mus rattus (Roden- 

 tia) 



b. The histogenesis of the cerebellum with special emphasis on the Purkinje 

 cells. Gallus domesticus (Aves) 



HARRIS, F. T. C. — Middlesex Hospital Medical School, LONDON W. 1, 

 England 

 a. Studies of cleavage processes. 

 HARRIS, J. E. M.A.. Ph.D., Prof. — Dept of Zool., The Univ., BRISTOL 

 8, England 

 a. Development of the nervous system and behaviour pattern. Scylliorhinus 

 canicula, Petromyzon fluviatilis, Salmo spp. (Pisces) (in collaboration 

 with H. P. WHITING) 

 HARRIS, M. Ph.D., A.B., Prof. — Dept of Zool., Univ. of Cahf., BER- 

 KELEY 4, Gal.. U.S.A. 

 HARRISON, G. A. B.A., B.Sc. — Dept of Anat., Univ. of Liverpool, 

 LIVERPOOL, England 

 a. Growth and genetical selection at high temperatures. (Mammalia) 

 h. The inheritance of skin colour. Homo sapiens (Primates) 



c. The genetics of obesity. Mus spec. (Rodentia) 



HARRISON, J. R. B.A., M.A., Ph.D. — Dept of Zool., Miami Univ., 

 OXFORD, Ohio, U.S.A. 



a. I n V i t r o studies on the growth and differentiation of the retinal pig- 

 ment in the embryonic eye: analysis of developmental factors contained 

 in the yolk-albumen of the egg. Gallus domesticus (Aves) 



b. Effect of lowered incubation temperature on the development and poten- 

 cies of the blastoderm. Gallus domesticus (Aves) 



HARRISON, R. G. M.A., D.M. — Dept of Anat.. Univ. of Liverpool. 

 LIVERPOOL, England 



a. The dependence of spermatogenesis on the vascularization of the testis. 

 (Mammalia) 



b. The effect of low temperature on spermatogenesis. (Mammalia) 

 HARRISON, R. G. M.D., Ph.D., Sc.D., L.L.D., F.I.I.E.. ProL (Emer.) — 



Osborn Zool. Lab., Yale Univ., NEW HAVEN 11, Conn., U.S.A. 



a. Development of limbs with reference to the roles played by ectoderm 

 and mesoderm. Amby stoma (various species) (Urodela) 



b. Induction and symmetry relations in the development of the internsJ 

 ear. Ambystoma punctatum (Urodela) 



47 



