c Vergleichende Embryonalentwicklung. (Insecta) 



d Kultur embryonaler Gewebe. (Insecta) 



KREDIET, P. M.V.D. — Dept. of Anat. and Embryol., Med. Fac. Rotterdam, William 



Boothlaan 18, ROTTERDAM-2 -038, Netherlands 

 a Ontogenetic malformations of the heart and great vessels in neonates and adults. Homo 



sapiens (Primates) and other mammals 

 b Development of the heart and great vessels. (Aves), Homo sapiens (Primates) and other 



mammals 

 c Experimental malformations and regeneration of blood vessels. (Aves), Homo sapiens 



(Primates) and other mammals 

 KREJSA, R. J. Ph.D. — Biol. Sci. Dept., Calif. State Polytechn. Coll., SAN LUIS OBISPO, 



Calif. 93401, U.S.A. 

 a Development and mineralization of scales; role of the epidermis in scale development; light 



and electron microscopy of developing skin. Poecilia reticulata, Oryzias latipes, Salvelinus 



fontinalis (Teleostei) (in collaboration with Miss S. A. LUSE) 

 b Inductive interactions between epidermis and dermis: comparative aspects of integument 



morphogenesis. (Invertebrata, Vertebrata) 

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



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

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

 synthesis in the fetal heart. Rattus norvegicus (Rodentia), Zalophus calilornianus (Phoci- 



dae, Carnivora) 



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

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

 a Asexual reproduction, regeneration and somatic embryogenesis. Dugesia tigrina (Turbel- 



laria) 

 KROEGER, H. Dr.rer.nat., Prof. — Inst, fiir Genet., Univ. des Saarlandes, 66 SAAR- 



BRUCKEN 11. W.Germany 

 a Puffing patterns in giant chromosomes and the mechanism by which they are evoked and 



controlled. Chironomus thummi, Ch. tentans (Diptera) 

 h Embryology and genetics of pattern formation. Drosophila melanogaster (Diptera) 

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



Islands, U.K. 

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



86 BAMBERG, W.Germany 

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



Jagellonian 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., Jagellonian Univ., ul.Krupnicza 50, 



KRAK6W, Poland 

 a Spermatogenesis. (CoUembola) 



h Embryonic development. Tetranychus urticae (Acarina) 

 KUBLI, E. cand.phil. — Zool.-Vergl. Anat. Inst., Univ. Zurich, Kiinstlergasse 16, CH-8006 



ZURICH, Switzerland 

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

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

 KUBOTA, T. D.Sc, Prof. — Biol. Lab., Liberal Arts Coll., Kagoshima Univ., Kamoike-cho. 



KAGOSHIMA-shi, 890 Japan 

 a Studies of cleavage. Cynops (— Triturus) pyrrhogaster (Urodela) 



1. Mechanism of determining furrow positions and furrow advance at animal, equatorial 

 and vegetal regions 



2. Direction of cleaving force and site of origin 

 KUCIAS, J. Ph.D. — Dept. of Gen. Biol., Silesian Acad, of Med., K. Marksa 19, Rokitnica. 



ZABRZE 8, Poland 

 a Entropy in cell differentiation; determination of the oxygen consumption in vivo. 



Ambystoma tigrinum (Urodela) , Xenopus laevis (Anura), (Rodentia) 

 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. (Vertebrata) 

 KUHN, A. t Dr.rer.nat., Prof. — Max Planck Inst, fiir Biol., Abt. Beermann, Spemannstr. 34, 



74 TUBINGEN, W.Germany 



(deceased) 

 KUHN, O. Dr.rer.nat., Prof. (Emer.) — Zool. Inst, der Univ., Weyertal 119, 5 KOLN- 



Lindenthal, W.Germany 

 a Hormonwirkungen in der Morphogenese 

 b Entwicklungsphysiologie der Feder. (Aves) 



c Wirkungsweise carcinogener und anderer Substanzen auf tierische Gewebe 

 d Regeneration und Wundheilung 



98 



