TONES, R. F. Ph.D. — Dept. of Biol. Sci., State Univ. of New York at Stony Brook, 



STONY BROOK, N.Y. 11790, U.S.A. 

 a Physiology and biochemistry of development and differentiation during vegetative growth, 



asexual reproduction and gametogenesis. Chlamydomonas reinhacdtii (Volvocales, Chtoro- 



phyceae) 

 b Control of vegetative and reproductive development. Marchantia polymorpha (Hepaticae) 

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



Okla. 74074, U.S.A. 

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



Anglesey, Wales, U.K. 

 a Spore development. (Rhodophyta and other Algae) 

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



69, GRONINGEN, Netherlands 

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



(Anura) 

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

 c Development of the dentition. (Blenniidae, Teleostei) 

 JONGKIND, J. F. Ph.D. — Netherl. Centr. Inst, for Brain Research, IJdijk 28, AMSTER- 



DAM-O., Netherlands 

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



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

 JONSSON, B. G. Fil.lic. — Zool Inst., Univ. of Uppsala, Box 561, S-75122 UPPSALA 1, 



Sweden 

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



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

 JOSEPH, J. D.Sc, M.D., Prof. — Dept. of Anat., Guy's Hosp. Med. School, LONDON 



S.E.I, England 

 a Regeneration: 1. epithelium; 2. whole tickness of adult ear; 3. effects of steroids and 



drugs. Oryctolagus cuniculus (Lagomorpha) 

 JOSEPHSEN, K. D.D.S. — Dept. of Anat., Royal Dent. Coll., Vennelyst Blvd., 8000 



ARHUS C, Denmark 

 a Morphological and histological development of maxillary incisors. Mus musculus (Rodentia) 

 JOSHI, P. V. Ph.D. — Cell Research Lab., Dept. of Zool., N.Wadia Coll., POONA-1, India 

 a Histochemistry of larva, pupa, and adult. Apis dorsata (Hymenoptera) 

 JOST, A. D. D.Sc, M.D., Prof. — Lab. de Physiol. Comp., Univ. de Paris, 9 quai St.Ber- 



nard, 75 PARIS Ve. France • 



JUBERTHIE, C. J. -, Lab. Souterrain du C.N.R.S., 09 MOULIS, France 

 a Ontogenesis of nervous system; ultrastructure. Cynorta cubana, Pachylus quinamavidensis 



(Phalangida, Arachnida) 

 b Development. Cunocta cubana (Phalangida, Arachnida) 



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

 a Action de la temperature sur le developpement embryonnaire et postembryonnaire com- 

 pare. Glomeris spec, Loboglomeris spec, Protoglomeris spec, Spelaeoglomeris spec. 



Glomeridella spec. (Diplopoda) 

 b Biologie du developpement. Troglocharis spec. (Decapoda, Crustacea) 

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

 a Experiments to determine the ooplasmic reaction system. Bruchidius (= Acanthoscelides) 



obtectus (Coleoptera) 

 JURA, Cz. D.Sc. — Zool. Dept., Jagellonian Univ., ul.Krupnicza 50. KRAK6W, Poland 

 a Early developmental stages. Tetrodontophora bielanensis (Collembola) 

 b Role of cleavage cavity 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 Developmental changes in the notochord. Mus musculus (Rodentia) 



b Formation of various cell organelles during the fission cycle. Paramecium aurelia (Ciltata) 

 c Partial neoteny. Xenopus laevis (Anura) 

 d Activity of cytochalasin B on cell fission. Same species as b 

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



KRAK6W. Poland _ , . , 



KACZANOWSKA (DOBRZAfiSKA). Mrs. J. Dr.es Sci. — Lab. of Protozool., Inst, of 



Zool., Warsaw Univ.. Krakowskie Przedmiescie 26/28, WARSZAWA. Poland 

 a Effects of actinomycin D on divisional morphogenesis. Paramecium aurelia (Ciltata) 

 b Effects of Ba++ and Ba++ + Ca++ on morphogenesis. Same species as a 

 KACZANOWSKI, A. Dr.es Sci. — Lab. of Protozool.. Inst, of Zool., Warsaw Univ., 



Krakowskie Przedmies'cie 26/28. WARSZAWA 64, Poland 

 a Morphology and hypothesis of growth of trophonts: 1. growth as a function ot synthesis 



of microtubular fibrils; 2. growth abnormalities. Opalina ranacum (Zoomastigina) 

 b Experiments on life cycle and development: 1. in tadpoles under normal and abnormal 

 conditions of temperature and nutrition; 2. cell differentiation and polyploidy. Upalina 

 ranarum (Zoomastigina), host: Rana temporacia (Anura) 



