perimental developmental stages. 3. response to morphogenetically active agents at the 



level of gene expression. Strong ylocentrotus purpuratus (Echinoidea) 

 ELMER. W. A. Ph.D. — Dept. of Biol., Emory Univ., ATLANTA, Ga. 30322. U.S.A. 

 a Differentiation of eye lens fiber cells: 1. stability increase of the proteins which control the 



turning on of macromolecular synthesis. 2. control of various RNA species by the different 



regulator molecules. Bos taurus (Artiodactyla) 

 h Genetic control of chondrogenesis on the macromolecular level in the creeper mutation 



(cell cycle times of genotypically different chondrocytes). Galltts domesticus (Aves) 

 ELSDALE, T. R. Ph.D. — Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., 



EDINBURGH, EH9 3JN, Scotland, U.K. 



— Clin, and Popul. Cytogenet. Research Unit, Western Gen. Hosp., EDINBURGH, 



Scotland, U.K. 

 a Morphogenesis in cell cultures. Homo sapiens (Primates) 

 EMANUELSSON, H. Fil.Dr. — Zoophysiol. Inst., Univ. of Lund, Helgonavagen 3, 223 



62 LUND. Sweden 

 a DNA-synthesis and yolk formation during ovogenesis. Ophryotrocha labronica (Poly- 



chaeta) 

 b Yolk-DNA metabolism during early embryogenesis. Ophryotrocha labronica (Polychaeta) 

 c Biochemical and cytochemical analysis of intracellular yolk granules in early blastoderms 



with special regard to yolk DNA. Gallus domesticus (Aves) 

 EMELIANOV, S. V. Dr.biol.sci., Prof. — A. N. Severtzov Inst, of Evol. Morphol. and 



Ecol. of Anim., Acad, of Sci. of the U.S.S.R., Lenin Ave. 33, MOSCOW W.71, 



U.S.S.R. 

 a Heterochrony in appearance and rate of development of dorsal and anal fin elements 



(radialia, musculature, fin rays, fin folds). Salmo salar, Esox lucius, Tetragonopterus rufero- 



pictus, Rutilus rutilus, Callichthys [asciatus, Haplochilus pleferi, Perca fluviatilis, Atherina 



hepsetus (Teleostei) 

 h Early postembryonic development and individual variability. Acipenser guldenstadtii. A. 



stellatus, A. nudiventris. Huso huso, (Chondrostei) 

 EMERIT, M. Dr.es Sci. — Lab. de Zool., Fac. des Sci. de Montpellier, Place Eugene 



Bataillon, 34 MONTPELLIER, France 

 a Embryonic and post-embryonic development. Gasteracantha spec, Isoxya spec, Acrosomo- 



ides spec. (Gasteracanthidae, Araneida, Arachnida) 

 EMERY, J. L. M.D. — Depts. of Child Health and Pathol., Congenital Anomalies Res .Unit. 



Children's Hosp., Univ. of Sheffield, Western Bank, SHEFFIELD 10, England 

 EMMERT, W. Dr.rer.nat. — Zocl. Inst. I, Fac. of Nat. Sci., Univ. of Wiirzburg,, Rontgen- 



ring 10, 87 WURZBURG, W.Germany 

 a Postembryonic development and metamorphosis of holometabolic forms. Formica polyctena 



(Hymenoptera), Calliphora erythrocephala (Dipfera) 

 ENDO. A. M.D. — Dept. of Hygiene, School of Med., Niigata Univ., NIIGATA-City, 



Japan 

 ENDO, Y. D.Sc. — Dept. of Biol., Keio Univ., YOKOHAMA-Hiyoshi, Japan 

 a Study of fertilization and development. (Echinoidea) 

 b Electron microscopical study of oogenesis. (Echinoidea) 

 ENEMAR, E. A. W. Prof. — Dept. of Zool., Univ. of Gothenburg, Fjarde Langgatan 7B 



S-413 05 GOTHENBURG. Sweden 

 a Development of hypothalomo-hypophysial connections. (Tetrapoda) 

 ENGELS, W. Dr.rer.nat. — Zool. Inst, der Westf. Wilhelms-Univ., Badestr. 9, 44 MON 



STER/Westf., W.Germany 

 a Speed of yolk formation: composition of reserve proteins (radio-isotopical methods). Apis 



mellifeta (Hymenoptera) 

 b Regulation and enzymatic conditions of glycogen synthesis in oogenesis (radio-isotopical 



methods). Musca domestica (Dipfera) 

 ENGLAND, Mrs. M. A. B.A. — Dept. of Anat. and Embryol., Univ. Coll., Gower St., 



LONDON W.C.I, England 

 a Primary neural induction. Gallus domesticus (Aves) 

 b An electron microscopical and histochemical analysis of yolk formation. Gallus domesticus 



(Aves) (in collaboration with Mr. M. R. BELLAIRS) 

 ENGLANDER, H. Dr.med., Dr.rer.nat., Prof. — Zool. Inst, der Univ.. Weyertal 119, 5 



KOLN-Lindenthal, W. Germany • 



a Regionalspezifische Induktion. (Urodela) 



h Die Wirkung von Lithium auf die Differenzierungsleistung des Ektoderms (Urodela) 

 c Disaggregation un Reaggregation von friihembryonalem Gewebe. (Urodela) 

 ENNABLI, E. — Lab. d'Anat., Fac. de Med., 45 rue des Sts. Peres, 75 PARIS Vie. France 

 EPEL. D. Ph.D. — Dept. of Biol. Sci., Hopkins Marine Station. Stanford Univ., PACIFIC 



GROVE, Calif. 93950, U.S.A. 

 a Biochemistry and physiology of fertilization, especially activation of enzymes (NAD 



kinase), formation of extracellular cements, and mechanism of lysis of cortical granules. 



Strong ylocentrotus purpuratus (Echinoidea) and other marine spp. (Invertebrata) 



53 



