c Developmental physiology (embryonic nutrition, delayed implantation and effects of 



steroids on early development). Oryctolagus cuniculus (Lagomorpha) 

 DANIELI, G. A. Dr.biol.sci. — 1st. di Zool., Anat. comp. e Genet., Fac. di Sci., Via Loredan 



10, PADOVA, Italia 

 • DANKMEYER. J. Med.Dr., Prof . — Anat.-Embryol. Lab., Fac. of Med.. State Univ. of 



Leiden, Boerhaavekwartier, Wassenaarseweg 62, LEIDEN, Netherlands 

 DANNA, T. Ph.D. — 1st. di Zool., Univ. di Palermo, Via Archirafi 18, 90123 PALERMO, 



Italia 

 a Radioautographic investigations in embryonic development. (Ascidiae) 

 h Microrespirometric investigations in embryonic development. (Ascidiae) 

 c Enzyme activity (ATP-ase) in embryonic development. (Ascidiae) 



DANNEEL, R. Dr., Prof. — Zool. Inst, der Univ., Poppelsdorfer Schloss, 53 BONN, Deut- 

 sche Bundesrepublik 

 DARLINGTON, D. M.B., Ch.B. — Dept. of Anat.. Med. School. Univ. of Birmingham. 



Edgbaston. BIRMINGHAM 15, England 

 a The development of the convolutional pattern of the brain and endocranial cast. Mustela 



fuTO (Cacnivoca) 

 D' ASARO. C. N. Ph.D. — Inst, of Marine Sci.. Univ. of Miami. 1 Rickenbacker Causeway, 



MIAMI, Fla. 33149, U.S.A. 

 a Developmental morphology of tropical and subtropical forms (embryogenesis and organo- 

 genesis through metamorphosis). Bursa caelata, Distorsio clathrata, Batillacia minima 

 (Gastropoda). Chione cancellata, Codakia orbicularis, Atdna rigida (Lamellibranchiata) 

 DASGUPTA, B. Ph.D.. Prof. — Zool. Dept., Darjeeling Government Coll., DARJEELING, 



W.Bengal, India 

 a Asexual reproduction and development. Plasmodium spp. (Haemosporidia, Sporozoa) 

 DAVENPORT, R. Ph.D. — Dept. of Zool., Univ. of Illinois, 345 Nat. Hist. Build.. URBA- 



NA, 111. 61801, U.S.A. 

 a Electrophoretic and immunophoretic analysis of basic proteins during early embryonic 

 development. Strong ylocentrotus pmpuratus, Lyf echinus variegatus (Echinoidea). dona 

 intestinalis, Ascidia nigra (Tunicata) 

 DAVID, G. Dr. en Med., Prof. — Lab. d'Embryol., Fac. de Med., 45 Rue des Sts.Peres, 



PARIS Vie. France 

 a Facteurs Rhesus. Homo sapiens (Primates) 



b Incompatibilites foeto-maternelles. Oryctolagus cuniculus, Rattus spec. (Mammalia) 

 DAVID, G B. Ph.D. — Dept. of Biophys., Manhattanville Inst., Columbia Univ., 632 West 



125th St., NEW YORK, N.Y. 10027, U.S.A. 

 a Mechanisms of cellular motility in fibroblasts, myoblasts and cells of nervous origin, 

 b Studies of enzyme localization in living tissue cells. 



c Biophysical studies of the origin of contraction mechanisms in myoblasts, 

 d Studies of regeneration of nervous tissues in vivo and in vitro. 



DAVID (BOGLI), Mrs. D. Lic.es Sci. — Lab. de Biol. Anim., 1 Ave. Vercingetorix, 63 



CLERMONT-FERRAND, France ^..^,,^^., 



DAVIDENAS, J. A. B.Sc — Dept. of Zool., Fac. of Sci.. Univ. of Alberta, EDMONTON, 



Alta., Canada 

 a The comparative distribution of histocompatibility and non-histocompatibility isoantigens 

 by immunofluorescence (using the A and B blood group systems). Gallus domesticus 

 (Aves) 

 DAVIDOVA, S. I. — Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R.. Vavilov St. 26, 



MOSCOW V-133, U.S.S.R. 



a Effect of gonadotropins and changes in the germinal vesicle and in the oocyte cytoplasm 



during maturation (effect of actinomycin and puromycin on macromolecular synthesis). 



(Acipenseridae, Chondrostei; Amphibia) (in collaboration with Mrs. T. A. DETTLAFF) 



DAVIDSON, E. H. Ph.D. — Rockefeller Univ., 66th St. and York Ave., NEW YORK, N.Y. 



10021, U.S.A. 

 a Study of gene activity in oogenesis, the species and function of nucleic acids produced in 



lampbrush stage oocytes. Xenopus laevis (Anura) 

 b Study of the molecular basis of cytoplasmic prelocalization. Ilyanassa obsoleta (Gastro- 

 poda) 

 DAVIES, D. V. D.Sc, Prof. — Dept. of Anat., St. Thomas's Hosp. Med. School, LONDON 



S.E.I. England 

 a Joints. (Mammalia) 

 h Placentation. (Vertebrata) 

 DAVIS, Ch C. Ph.D.. Prof. — Developm. Biol. Center, Dept. of Biol., Western Reserve 



Univ., 2127 Cornell Rd., CLEVELAND. Ohio 44106, U.S.A. 

 DAVIS, G. R. F. Ph.D. — Research Station, Research Branch, Canada Agriculture, Univ. 



Sub Post Office, SASKATOON, Sask.. Canada 

 a The quantitative and qualitative requirements of immature stages for amino acids and the 

 intermediary metabolism of these amino acids. Oryzaephilus surinamensis (Silvanidae. 

 Coleoptera), Melanoplus sanguinipes (Acrididae. Orthoptera), Ctenicera destructor (Elate- 

 ridae, Coleoptera) 



38 



