Harris- Hci 



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

 caniciila. Pctromifron fUiviatilis. Salrno spp. (Pisces) (in collaboration 

 with H. P. WHITING) 

 HARRIS. M. Ph.D.. A.B.. Prof. — Dept of Zoo!., Univ. of Calif., BER- 

 KELEY "4. Cal.. U.S.A. 



a. Growth factors in alcoholic extracts of embryos. Gallus (Aves) 



b. Interaction of nucleoprotein and dialysate growth factors in embryo 

 e.xtract. Gallus (Aves) 



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



LIVERPOOL. England (U.K.) 

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

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



OXFORD. Ohio. U.S.A. 



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

 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. F.I. I.E.. M.D.. Ph.D.. Sc.D., L.L.D.. 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 internal ear. 

 Amby stoma punctatum (Urodela) 



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

 LIVERPOOL, England (U.K.) 

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



(Mammalia) 

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

 HARRISON, R. J. M.A., D.Sc. M.D. — Anat. Dept, London Hosp. Med. 

 Coll.. Turner St, LONDON E. 1. England (U.K.) 

 a. Early development. (Mammalia) 

 h. Changes in the ovary. (Mammalia) 



c. Placentation and changes in reproductive tract. (Cervidae) (in collabo- 

 ration with W. J. HAMILTON) 



d. Changes in reproductive tract and placenta. (Pinnipedia and Carnivora) 

 (in collaboration with L. HARRISON MATTHEWS) 



e. Distribution of radio-potassium in placenta and uterus. (Rodentia and 

 Carnivora) 



HARRISON MATTHEWS. L. D.Sc F.R.S. — c/o The Zool. Soc. of 

 London. LONDON, England (U.K.) 

 a. Changes in reproductive tract and placenta. (Pinnipedia and Carnivora) 

 (in collaboration with R. J. HARRISON) 

 HART. D. S. M.A. — Canterbury Agric. Coll., Lincoln Coll., New Zealand 

 a. Ova production. Ovis (Artiodactyla) 



1. Classification of normal ova. 



2. Classification of abnormal ova. 



3. Fertilizability of ovum. 



4. Effect of photoperiodicity on ova. 



5. Embryo losses. 



44 



