DWORNIK, J. J. Ph.D. — Dept. of Anat., Univ. of Louisville, 101 West Chestnut St., 



LOUISVILLE, Ky. 40202, U.S.A. 

 a Effects of podophyllin and temperature on skeletal development (alizarin technique). Rattus 



norvegicus (Rodentia) 

 b Effects of colchicine on skeletal development (alizarin technique). Rattus norvegicus 



(Rodentia) 

 c Effects of hypervitaminosis A on tooth development (histochemical techniques). Mus 



musculus (Rodentia) 

 d A study on tissues in the torpid mutant to determine if there are any differences between 



abnormal animals and normal litter mates. Mus musculus (Rodentia) 

 DYLEVSKY, I. MUDr. — Dept. of Anat., Charles Univ., U nemocnice 3, PRAHA 2, 



Czechoslovakia 

 a Prenatal development of muscles. Homo sapiens (Primates) 

 DZIUBA. P. — Dept. of Gen. Biol.. Silesian Acad, of Med., K. Marksa 19, Rokitnica, 



ZABRZE 8, Poland 

 a Karyology of congenital malformations. Homo sapiens (Primates) 

 h Palmar and plantar dermatoglyphics in congenital malformations and inherited diseases. 



Homo sapiens (Primates) 

 c The influence of oestrogens on liver regeneration after partial hepatectomy. (Rodentia) 

 EAKIN, R. M. Ph.D., Prof. — Dept. of Zool., Univ. of California, BERKELEY, Calif. 



94720, U.S.A. • 



a Determination of neural plate, sucker and hypophysis. Hyla regilla (Anura) 

 b Electron microscopy of induction systems. Hyla regilla (Anura) 



c Development of photoreceptors. Helix aspersa (Gastropoda) (and other Invertebrata) 

 EAYRS, J. T. Ph.D., D.Sc, Prof. — Dept. of Anat., Med. School, Univ. of Birmingham, 



Edgbaston, BIRMINGHAM 15, England 

 a Effects of hormones on central nervous development. Rodentia 

 EBERT, J. D. Ph.D., Prof. — Dept. of Embryol., Carnegie Inst, of Washington, 115 W. 



University Parkway, BALTIMORE, Md. 21210, U.S.A. 



— Dept. of Biol., Johns Hopkins Univ., Charles & 34th Sts., BALTIMORE, Md. 21218, 



U.S.A. • 



a The metabolic characteristics of the heart-forming areas of the early embryo. Gallus gallus 



(Aves) 

 b The graft-versus-host reaction and development of immune mechanisms in the embryo. 



Gallus gallus (Aves) 

 c Animal viruses (esp. tumor viruses) as tools in studying embryonic development. Gallus 



gallus (Aves) (in collaboration with R. J. HAY and Mrs. M. YOSHIKAWA-FUKADA) 

 ECHAVE LLANOS, J. M. M.D., Prof. — Cat. "B" de Embriol., Biol, e Histol., Fac. de 



Cienc. Med., Univ. Nac. de La Plata, 60 y 120. LA PLATA. Argentina 

 ECKSTEIN, P. M.D.. D.Sc. — Dept. of Anat.. Med. School. Univ. of Birmingham, Edg- 

 baston, BIRMINGHAM 15, England 

 a Mode of action of intra-uterine devices: 1. ovum recovery at critical stages of primate 



cycle. 2. composition of tubo-uterine secretions. 3. tissue reactions to intra-uterine 



materials. Oryctolagus cuniculus ( Lagomorpha) , Macaca mulatta, Papio papio (Primates, 



Mammalia) 

 EDDS. M. v.. Jr. Ph.D., Prof. — Div. of Biol, and Med. Sci., Brown Univ., PROVIDENCE. 

 J^.I. 02912. U.S.A. • 



EDli, D. A. Ph.D. — Embryol. Sect., A.R.C. Poultry Research Centre, King's Buildings, West 



Mains Rd., EDINBURGH 9, Scotland. U.K. 

 a Analysis of the action of inherited abnormalities and lethal genes in development. Gallus 



gallus (Aves) 

 b Experimental studies on limb bud development. Gallus gallus (Aves) 

 c Cell adhesion and movement, and cell death and degeneration in normal and mutant 



embryos. Gallus gallus (Aves) 

 EDSTROM, J.-E. — Dept. of Histol.. Karolinska Inst.. S-140 01 STOCKHOLM 60, Sweden 

 a Intranuclear RNA metabolism of polytene nuclei. Chironomus tentans (Diptera) 

 EDWARDS. J. G. Ph.D. — Dept. of Cell Biol., Univ. of Glasgow. GLASGOW W.2. 



Scotland. U.K. 

 a Studies of the formation of cell adhesions in embryonic cells and cell lines grown in culture. 



using reaggregation techniques. 

 EDWARDS. R. G. D.Sc. — Physiol. Lab., Univ. of Cambridge. Downing St.. CAMBRIDGE 



CB2 3EG. England, 

 a Genetics and embryology of pre-implantation stages. Homo sapiens (Primates) and other 



Mammalia 

 b Immunology of reproduction. Homo sapiens (Primates) and other Mammalia 

 EFREMOVA, Mrs. S. M. — Dept. of Embryol., Leningrad Univ., Mendeleevsky St. 5, 



LENINGRAD B-164, U.S.S.R. 

 a Morphology and biochemistry of somatic embryogenesis (microcinematography. histology. 



autoradiography). Ephydatia fluviafilis, Spongilla lacustris (Porifera) 



51 



