JOHANSSON, K. B. G. Fil.lic. — Wenner-Gren's Inst, for exper. Biol.. Norrtullsgatan 16, 

 STOCKHOLM Va.. Sweden 



a Regulation of enzyme synthesis in cells in tissue culture. 



JOHN, H. — Inst, of Anim. Genet.. Kings Buildings, West Mains Rd.. EDINBURGH 9, 

 Scotland, U.K. 



a Molecular "hybridisation" studies on cells cultured in vitro (extending current tech- 

 niques of RNA/DNA annealing down to the cellular and tissue level). Rana pipiens 

 (Anura) (in collaboration with K. W. JONES) 



• JOHNEN, Miss A. G. Dr.phil., Doz. — Zool. Inst, der Univ., Weyertal 119, KOLN- 



Lindenthal, Deutsche Bundesrepublik 



a Die Wirkungsspezifitat abnormer Induktoren in der Entwicklung. (Amphibia) 



b Die Bedeutung des Zeitfaktors beim Induktionsvorgang. Ambystoma spec, Tritutus spec. 

 (Urodela) 



c Untersuchungen iiber die Kompetenzverhaltnisse beim Ektoderm. (Urodela) 



JOHNSON, E. M. Ph.D.. Prof. — Dept. of Anat., Coll. of Med.. Univ. of Florida, GAINES- 

 VILLE, Fla., U.S.A. 



JONES (HOLT), Mrs. E. C. Ph.D. — Dept. of Anat., Med. School, Univ. of Birmingham, 

 Edgbaston, BIRMINGHAM 15, England 



a The effect of maternal age on morphology and development of fertilized eggs. Mus mus- 

 culus (Rodentia) 



JONES, K. W. Ph.D. — Inst, of Anim. Genet.. King's Buildings, West Mains Rd., EDIN- 

 BURGH 9, Scotland, U.K. 



a Small aggregate cultures of embryonic cells. Rana pipiens (Anura) 



b Ultrastructural effects of actinomycin D on cultured embryonic cells. Rana pipiens (Anura) 



c Molecular "hybridization" studies on cells cultured in vitro (extending current tech- 

 niques of RNA/DNA annealing down to the cellular and tissue level). Rana pipiens 

 (Anura) (in collaboration with H. JOHN) 



JONES, O. P. Ph.D., M.D., Prof. — Dept. of Anat., State Univ. of New York at Buffalo, 

 15 The Circle. BUFFALO. N.Y. 14214, U.S.A. 



a Embryonic blood cells in the yolk sac. Rattus spec. (Rodentia) 



h Electron microscopy of hepatic hematopoiesis. Rattus spec. (Rodentia), Homo sapiens 

 (Mammalia) 



JONES, R. W. Ph.D., Prof. — Dept. of Zool., Oklahoma State Univ., STILLWATER, 

 Okla. 74074, U.S.A. 



a Relationships between rates of cell division in cleavage and rates of embryonic develop- 

 ment. Brachydanio rerio, Notropis gicardi, Hybognathus placitus, Hybopsis aestivalis 

 (Teleostei) 



JONES, W. E. Ph.D. — Marine Science Labs, Univ. Coll. of North Wales. MENAI 

 BRIDGE, Anglesey, Wales, U.K. 



a Attachment and development of spores. (Rhodophyceae) 



JONGH, H. J. de — Zool. Lab., State Univ. of Leiden, Kaiserstr. 63, LEIDEN, Netherlands 

 — until Sept. 1968: The Biol. Labs. Harvard Univ.. 16 Divinity Ave., CAMBRIDGE, 

 Mass. 02138, U.S.A. 



a Functional morphology of the head with special reference to larval life and metamorphosis. 

 (Anura) 



JONSSON, B. G. Fil.lic. — Zool. Inst., Univ. of Uppsala. Villavagen 9, UPPSALA, Sweden 

 Sweden 



a The effect of various drugs (a.o. thalidomide) on embryonic development. Ambystoma 

 spec. (Urodela), Rattus spec. (Rodentia), Oryctolagus spec. (Lagomotpha) 



JORDAN, Miss M. A. Ph.D. — Dept. of Exper. Zool., Polish Acad, of Sci., ul. Kopernika 7, 

 KRAKOW, Poland 



JOSHI, Mrs. M. M. M.S. — Dept. of Anat.. Med. Coll., NAGPUR 3. Maharashtra State, 

 India 



a Differentiation of the anterior horn cells of the spinal cord. Gallus domesticus (Aves) 



h The influence of the peripheral field on the morphogenesis of the anterior horn cells. 

 Gallus domesticus (Aves) 



• JOST, A. D. D.Sc, M.D., Prof. — Lab. de Physiol, comp., Fac. des Sci., Univ. de Paris, 



9 Quai St.Bernard, PARIS Ve, France 

 JOVICKI, Mrs. G. RISTIC B.Sc — Inst, of Nuclear Sci. "Boris Kidrich", BELGRADE, 



Yugoslavia 

 JUBERTHIE, C. J. — Lab. Souterrain du C.N.R.S., 09 MOULIS (Ariege). France 

 a Etude de I'influence de la temperature sur I'embryogenese, et etude des malformations 



provoquees. Odiellus gallicus (Phalangiidae, Opilioncs, Arachnoidea) 

 h Regeneration et mue. Neanura spec. (Collembola, Apterygota) 

 JUBERTHIE (JUPEAU), Mrs. L. — Lab. Souterrain du C.N.R.S., 09 MOULIS (Ariege). 



France 

 a Regeneration and the endocrine system. Scutigerella spec. (Symphyla, Myriapoda) 

 b Development. Spelaeoglomeris spec, Loboglomeris spec, Glomeris spec (Glomeridia, 



Myriapoda) 



76 



