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



Okia. 74074. U.S.A. 

 a Relationships between rates of cell division in cleavage and rates of embryonic development. 



Brachydanio redo, Notropis girardi. Hybognathus placitus, Hybopsis aestivalis (Teleostei) 

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



Anglesey, Wales, U.K. 

 JONGH, H. J. de D.Sc. — Dept. of Anat. and Erabryol., Univ. of Groningen, Oostersingel 69. 



GRONINGEN, Netherlands 

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



(Anura) 

 h Allometric growth of the eye. Rana pipiens (Anura) 

 c Development of the dentition. (Blenniidae, Teleostei) 



JONGKIND. J. F. Ph.D. — Netherlands Central Inst, for Brain Research, IJdijk 28, AM- 

 STERDAM. Netherlands 

 a Energy utilization in cerebral hemispheres during embryonic development, using the 



techniques of Lowry c.s. Gallus domesticus (Aves) 

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

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



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

 JOSHI, Mrs. M. M. M.S. — Dept. of Anat., Med. Coll., NAGPUR-3, M.S., 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, 75 PARIS Ve, France • 



JOVICKI, Mrs. G. RISTIC B.Sc. — Inst, of Nucl. Sci "Boris Kidrich", BEOGRAD. 



Yugoslavia 

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

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



France 

 JUDINA, Mrs. L. M. — Dept. of Embryol., Leningrad Univ., Mendeleevsky St. 5, LENIN- 

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

 a Embryonic development. Bunodactis stella (Zoantharia, Actinozoa) 



JUNG, E. Dr.rer.nat. — Zool. Inst, der Univ., Rontgenring 10, 87 WURZBURG, W.Germany 

 a Further experiments to determine the ooplasmic reaction system. Bruchidius (= Acan- 



thoscelides) obtectus (Bruchidae, Coleoptera) 

 JURA, Cz. D.Sc. — Zool. Dept., Jagiellonian Univ., ul.Krupnicza 50, KRAKOW, Poland 

 a Early developmental stages. Tetrodontophora bielanensis (Collembola) 

 h Role of egg cortex in embryogenesis (studies with UV micro-beam). Succinea putris 



(Gastropoda) 

 JURAND, A. Ph.D., — Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., 



EDINBURGH EH9 3JN, Scotland, U.K. 

 a Further observations on the mesoblast of developing limb buds. Gallus domesticus (Aves), 



Mus musculus (Rodentia) 

 h Early changes in developing embryos after hydrocortisone treatment. Gallus domesticus 

 c Developmental changes in the notochord. Mus musculus (Rodentia) 

 d Studies on the formation of various cell organelles during the fission cycle. Paramecium 



JURGENS, J. D. M.Sc. — Zool. Inst., Fac. of Sci., Univ. of Stellenbosch, STELLENBOSCH, 



S.Africa 

 a The nasal capsule and its bearing on the phylogeny. (Amphibia) 

 JUSTUS. J. T. Ph.D. — Springville Labs., Roswell Park Mem. Inst., SPRINGVILLE. N.Y. 



14141, U.S.A. 

 JUSZCZYK, W. Dr. — Dept. of Zool., Wyzsza Szkola Pedagogiczna, ul. Podbrzezie 3, 



KRAK6W. Poland 

 a Influence of starvation on larval development. Rana temporaria, Bufo bufo (Anura), 



Tciturus vulgaris, T. cristatus (Urodela) 

 KACZANOWSKA (DOBRZAf^SKA). Mrs. J. Dr.es Sci. — Inst, of Zool., Warsaw Univ., 



Krak. Przedmiescie 26/28, WARSZAWA 64, Poland 

 a Morphogenesis of division and regeneration: 1. the topography of cortical organelles (oral 



apparatus, contractile vacuole pores, cytoproct, kinetome) 2. site determinations and mor- 



phogenetic movements during morphogenesis in normal and experimental set of conditions. 



Chilodonella cucullulus (Ciliata) 

 KACZANOWSKI, A. Dr.es.sci. — Inst, of Zool., Warsaw Univ., Krakowskie Przedmiescie 



26/28, WARSAWA 64, Poland 

 a Morphology and hypothesis of growth of trophonts. Opalina ranacum. (Opalina, Zooma' 



stigina) 



1. Growth as a function of synthesis of microtubular fibrils 



2. Growth abnormalities 



87 



