JOUBERT, D. M. M.Sc.(Agric), Ph.D. — Dept. of Sheep Husbandry and 

 Wool Technol., Univ. of Pretoria, PRETORIA, Republic of South Africa 

 CHI) (no embryological work in progress) 



JOUBERT, P. J. M.Sc. — Zool. Inst., Fac. of Sci., Univ. of Stellenbosch, 

 STELLENBOSCH, Republic of South Africa 

 a. The ontogenesis of the sound-conducting apparatus and of the palato- 

 quadrate. Arthroleptella lightfooti (Ranidae, Anura) 

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



a. Etude de l'influence de la temperature sur l'embryogenese, et etude des 

 anomalies provoquees (p.ex. polymelie). Odiellus gallicus (Phalangiidae, 

 Opiliones, Arachnoidea) 



b. Etude comparee du developpement embryonnaire. Siro spec. (Sironidae) , 

 Querilhacia spec. (Phalangodidae) , Ischyropsalis spec. (Ischyropsali- 

 dae), Odiellus gallicus (Phalangiidae, Opiliones, Arachnoidea) 



JURA, Cz. D.Sc. — Zool. Dept., Jagiellonian Univ., sw. Anny 6, KRAKOW, 

 Poland 



a. Histochemical studies on development. Melasoma populi (Coleoptera) (in 

 collaboration with Miss A. KRZYSTOFOWICZ and Miss B. W£G- 

 LARSKA) 



b. Early developmental stages. Tetrodontophora bielanensis (Collembola) 



c. Origin and fate of the pole cells. Drosophila virilis (Diptera) 

 JURAND, A. Ph.D. — Inst, of Animal Genet., Univ. Dept. of Genet., King's 



Buildings, West Mains Road, EDINBURGH 9, Scotland 



a. Electron microscope observations of endoplasmic reticulum after distur- 

 bance with ultrasonics. Triturus alpestris (Urodela) (in collaboration 

 withG. G. SELMAN) 



b. Electron microscope observations of yolk utilization in notochord. Tritu- 

 rus alpestris (Urodela) (in collaboration with G. G. SELMAN) 



c. Electron microscope observations of developing limb buds. Mus muscu- 

 lus ( Rodentia) 



JUROVITSKY, J. G. Cand.biol.sci. — Inst, of Animal Morphol., Acad, of 

 Sci. of the U.S.S.R.. First Academic St. 12, MOSCOW V-133, U.S.S.R. 

 a. Study of the influence of O2 concentration on embryonic development. 

 Acipenser guldenst'adti (Acipenseridae, Chondrostei) , Abramis brama, 

 Rutilus rutilus, Vimba vimba, Chalcalburnus chalcoides, Scardinius ery- 

 throphthalmus (Cyprinidae, Teleostei), Misgurnus [ossilis (Cobitidae, 

 Teleostei), Esox lucius (Esocidae, Teleostei) 



KAISSLING, K.-E. Dr.rer.nat. — Abt. f. Vergl. Neurophysiol., Max Planck 

 Inst., Deutsche Forsch. Anstalt f. Psychiatric Kraepelinstr. 2, MON- 

 CHEN 23, Deutsche Bundesrepublik 



a. Entwicklungsphysiologie des Phototropismus. (in collaboration with D. 

 SCHNEIDER) 



b. Bildung des Integuments, (in collaboration with D. SCHNEIDER) 



c. Regeneration, (in collaboration with D. SCHNEIDER) 



d. Polymorphismus. Bugula avicularia (Gymnolaemata, Bryozoa ectoprocta) 



e. Wachstum von Kalkkristallen im Integument. (Bryozoa stenolaemata et 

 gymnolaemata) (in collaboration with D. SCHNEIDER) 



(in collaboration with D. SCHNEIDER) 

 KAJI, S. D.Sc. — Biol. Lab., Dept. of Sci., Konan Univ., Okamoto, KOBE, 

 Japan 



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