b Analyse der Keimanlagenbildung. Bombyx mori (Lepidoptera) 



c Vergleichende Embryonalentwicklung. (Insecfa) 



d Kultur embryonaler Gewebe. (Insects) 



KREDIET, P. M.V.D. — Afd. Anatomie-Embryol.. Med. Fac. Rotterdam, G. J. de Jonghweg 



36. ROTTERDAM, Netherlands 

 a Ontogenetic malformations of the great vessels in neonates and adults. (Aues: Mammalia) 

 b Development of the heart. (Aves; Mammalia) 



c Experimental malformations and regeneration of blood vessels. (Aves; Mammalia) 

 KRETCHMER, N. Ph.D., M.D., Prof. — Dept. of Pediatrics, Stanford Univ. School of Med.. 



300 Pasteur Drive, PALO ALTO, Calif. 94304, U.S.A. 

 a Developmental enzymology: 1. disaccharidases in developing intestine; 2. pyrimidine 



biosynthesis in the fetal heart. Rattus norvegicus (Rodenfia), Zalophus californianus 



(Phocidae, Carnivora) 

 KRITCHINSKAYA, Miss E. B. Cand.biol.sci. — Dept. of Embryol., Leningrad Univ., Men- 



deleevsky St. 5, LENINGRAD B-164, U.S.S.R. 

 a Asexual reproduction, regeneration and somatic embryogenesis. Dugesia figrina (Turhel- 



laria) 

 KROEGER. H. P.D., Dr.rer.nat. — Zool. Inst, der Eidg. Techn. Hochschule, Universitatsstr. 



2, 8006-ZuRICH. Schweiz 

 a Developmental metabolism of salivary gland chromosomes. Chironomus thummi (Diptera) 

 b Developmental genetics of pattern formation. Drosophila melanogasfer (Diptera) 

 KROHN, P. L. B.M.. B.Ch., Prof.(Emer.) — La Foret, St.Mary, JERSEY. Channel Islands, 



U.K. 

 a Factors affecting the development of immunological competence and the active acquirement 



of immunological tolerance. (Rodentia) 

 h The development of foetal endocrines. (Rodentia) 

 KRONE, H. A. Dr.med. — Staatliche Frauenklinik und Hebammenschule, Markusplatz 3, 



86-BAMBERG, Deutsche Bundesrepublik 

 KROPP. B. N. Ph.D.. Prof. — Dept. of Anat., Ghana Med. Sch., P.O. Box 4236, ACCRA. 



Ghana 

 KRZANOWSKA (DATKOWNA). Mrs. H. Ph.D. — Dept. of Anim. Genet, and Organic 



Evolution, Jagiellonian Univ., Krupnicza 50, KRAKOW 2, Poland 

 a Studies of heterosis: sperm characters, fertilization and cleavage rate in inbred and cross- 

 bred animals. Mas musculus (Rodentia) 

 KRZYSZTOFOWICZ, Miss A. D.Sc. — Zool. Dept., Jagiellonian Univ., ul.Krupnicza 50, 



KRAK6W, Poland 

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



with Cz. JURA and Miss B. W^GLARSKA) 

 b Spermatogenesis. (Collembola) 

 KUBLI, E. cand.phil. — Zool.-vergl. Anat. Inst., Naturwiss. Fak., Univ. Ziirich, Kiinstler- 



gasse 16, 8006-ZuRICH, Schweiz 

 a Nucleic acids of various mutants. Drosophila melanogaster (Diptera) 

 KUBOTA. K. — Dept. of Anat.. Univ. of Ibadan. IBADAN, Nigeria 

 a Staging of the embryos. Agama agama (Lacertilia) 

 KUBOTA, T. — Biol. Lab., Liberal Arts Coll., Kagoshima Univ., Kamoike-cho, KAGOSHI- 



MA, Japan 

 a Studies of cleavage (mechanism of determining furrow positions at animal, equatorial and 



vegetal regions). Rana nigromaculata (Anura) 

 KUCIAS, J. Ph.D. — Dept. of Gener. Biol., Silesian Acad, of Med., Rokitnica, ZABRZE 8, 



Poland 

 KUDOKOTSEV, V. P. B.Sc. — Dept. of Biol., Kharkov State Univ., Dzerjinsky Square 4. 



KHARKOV, U.S.S.R. 

 a Experimental investigations in limb regeneration. (Verfebrata) 

 • KUHN, A. Dr.rer.nat., Prof. (Emer.)— Max Planck Inst, fur Biol., Abt.Beermann, Spe- 



mannstrasse 34, TOBINGEN, Deutsche Bundesrepublik 



(no embryological work in progress) 

 KUHN, O. Dr.rer.nat., Prof. (Emer.) — Zool. Inst, der Univ., Weyertal 119, KOLN-Linden- 



thal, Deutsche Bundesrepublik 

 a Hormonwirkungen in der Morphogenese. 

 b Entwicklungsphysiologie der Feder. (Aves) 



c Wirkungsweise carcinogener und anderer Substanzen auf tierische Gewebe. 

 d Regeneration und Wundheilung. 

 KUIJEN, C. J. van M.Sc. — Zool. Lab.. State Univ. of Leiden, Kaiserstr. 63. LEIDEN. 



Netherlands 

 a Functional aspects of development of the vascular system. Rana temporavia (Anura) 

 KULANGARA, A. C. Ph.D. — Inst, of Anim. Genet.. King's Buildings, West Mains Rd.. 



EDINBURGH 9. Scotland, U.K. 

 a An investigation of the genetic and antigenic differences among spermatozoa, using 



immunological techniques. Lepus spp. (Lagomorpha) 

 h Seminal antigens (spermatozoa and plasma) from three breeds. Of is aries (Ariiodacfyla) 



86 



