2. Fractionating and identification of organ-specific growth regulatory 

 substances (inhibitory, stimulatory). 



d. The graft-versus-host reaction and development of immune mechanisms 

 in the embryo. Gallus gallus (Aves) 



e. Animal viruses (esp. tumor viruses) as tools in studying embryonic in- 

 duction. Gallus gallus (Aves) 



f. Development of interferon in the chorioallantois in vitro. Gallus 

 gallus (Aves) 



EBLING. F. J. M.Sc, Ph.D. — Dept. of Zool., Univ. of Sheffield, SHEF- 

 FIELD, England 



EDDS, M. V., Jr. B.A., M.A., Ph.D., M.I.I.E., Prof. — Arnold Biol. Lab., 

 Brown Univ., PROVIDENCE 12, R.I., U.S.A. 

 a. Development of collagenous lamellae. Rana pipiens (Anura) 



EDE, D. A. B.Sc, M.S., Ph.D. — Wye Coll., Near ASHFORD, Kent, Eng- 

 land 



EDSTRoM, J.-E. — Dept. of Histol., Univ. of Gothenburg, Medieinaregatan 

 5, G5TEBORG-SV, .Sweden 



a. Composition of RNA in giant chromosomes. Chironomus spec. (Diptera) 



b. Composition of RNA in lampbrush chromosomes and other nuclear con- 

 stituents from oocytes. Triturus spec. (Urodela) 



EGAMI, N. Dr. — Div. of Biol., Nat. Inst, of Radiol. Sci., CHIBA, Japan 



a. Change in radiation-sensitivity during embryonic development. Oryzias 

 latipes (Teleostei) (in collaboration with miss Y. HYODO) 



b. Embryology of endocrine organs. Oryzias latipes (Teleostei) (in collabo- 

 ration with Miss Y. HYODO) 



EGELHAAF, A. Dr.rer.nat. — Zool. Inst, der Univ. Tubingen, Holderlin- 

 str. 12, TUBINGEN, Wurttemberg, Deutsche Bundesrepublik 



a. Genetische Grundlagen der Differenzierung von Augenpigmenten. Ephes- 

 tia kuhniella (Lepidoptera) 



b. Phanokopien. Ephestia kuhniella (Lepidoptera) 



c. Morphogenetische Genwirkungen. Ephestia kuhniella (Lepidoptera), 

 Drosophila melanogaster (Diptera) 



EGUCHI, G. B.Sc. — Biol. Inst., Fac. of Sci., Nagoya Univ., Chikusa-ku, 



NAGOYA, Japan 

 EHN, J. A. Fil.mag. — Zool. Inst., Univ. of Uppsala, UPPSALA, Sweden 

 a. Animalization and vegetalization of the embryo by means of chemical 



agents. Agelena labyrintica (Arachnoidea) 

 EISENBERG, Miss S. B.Sc, M.S., Ph.D. — Biol. Div., Oak Ridge National 



Lab., P.O. Box Y, OAK RIDGE, Tenn., U.S.A. 



a. DNA synthesis in the regenerating lens. (Urodela) (in collaboration 

 with P. J. KOHONEN) 



b. DNA synthetic period in poikilotherms. Trychogaster spec. (Teleostei). 

 Triturus spec. (Urodela), Pseudemys spec. (Chelonia) (in collaboration 

 with I. CAMERON) 



EISLER, R. B.A., M.S., Ph.D. — Sandy Hook Marine Lab., U.S. Fish and 

 Wildlife Service, Box 428, HIGHLANDS, N.J., U.S.A. 

 a. Artificial propagation. Pseudopleuronectes americanus ( Pleuronectidae , 

 Teleostei), Tautoga onitis (Labridae, Teleostei) 



ELBERS, P. F. Ph.D. — Centrum voor Electronenmicroscopie, Janskerkhof 

 3, UTRECHT, Netherlands 



47 



