KOCHHAR, Miss D. M. B.Sc M.Sc, Ph.D. — Dept. of Anat.. Coll. of 

 Med., Univ. of Florida. GAINESVILLE. Fla., U.S.A. 



— temporarily: Karolinska Institute, STOCKHOLM. Sweden 



a. Histochemistry and autoradiography of artificially produced congenital 



malformations; biochemical events preceding morphogenesis. Rattus rat- 



tus (Rodentia) 

 h. Morphology and synthetic abilities of mesenchymal cells in abnormally 



developing embryos. Rattus rattus (Rodentia) 

 KOCK, J. M. de M.Sc. — Zool. Inst.. Fac. of Sci., Univ. of Stellenbosch, 



S lELLENBOSCH, Republic of South Africa 

 a. Ontogenesis of the chondrocranium. Melopsittacus undulatus (Psit- 



taci, Aves) 

 KOECKE, H.-U. Dr.phil, Prof. — Zool. Inst, der Univ., Kerpenerstr. 13, 



KoLN-Lindenthal, Deutsche Bundesrepubhk 



a. Determination von Neuralleistenzellen und Derivaten. Anas domestica 

 (Aves) 



b. Entwicklungsphysiologie der Feder und embryonale Pterylose. Anas 

 spec, Columba spec, Gallus domesticus (Aves) 



c. Neuralleistenentwicklung und Pigmentierung. Anas spec. (Aves) 



d. identifizierung von Melanoblasten und Melaningenese. Anas domestica 

 (Aves) 



e. Krebsproblem als entwicklungsphysiologisches Problem. Columba spec 

 (Aves), Mas spec. (Rodentia) 



KOELLE, G. B. M.D., Prof. — Dept. of Pharmacol., Univ. of Pennsylvania, 



PHILADELPHIA 4, Pa., U.S.A. 

 KOHONEN, P. J. Ph.D. — Biol. Div., Oak Ridge National Lab., P.O.Box 



Y, OAK RIDGE, Tenn., U.S.A. 

 KOJiMA, M. K. M.A., D.Sc — Marine Biol. Station, Nagoya Univ., Suga- 



shima-cho, TOBA, Mie-ken, Japan 

 a. Physiological studies on the cleavage of eggs. Hemicenttotus pulcher- 



rimus, Pseudocentrotus depressus (Echinoidea) 

 KOLLROS, J. J. Ph.D., M.I.I.E.. Prof. — Dept. of Zool., Univ. of Iowa, 



IOWA CITY. Iowa 52240, U.S.A. 



a. Influence of thyroid hormones upon limb regeneration in tadpoles. Bu[o 

 americanus, Pseudacris nigrita. Rana pipiens (Anura) 



b. Tissue responses and control of sequence in metamorphosis. Rana 

 pipiens, R. catesbeiana, Pseudacris nigrita, Ambystoma je[[ersonianum 

 (Amphibia) 



c. Development of spinal and cerebral centers. Rana pipiens, R. cates- 

 beiana, Pseudacris nigrita, Bu[o americanus (Anura) 



KONIECZNA (MARCZYnSKA), Mrs. B. Ph.D. — Dept. of Biol, and 

 Embryol., Acad, of Med., ul.Kopernika 7, KRAK6W, Poland 



KONIGSBERG, I. R. A.B.. Ph.D. — Dept. of Embryol., Carnegie Inst, of 

 Washington. 115 W. University Parkway, BALTIMORE, Md.21210, 

 U.S.A. 



— Dept. of Biol., Johns Hopkins Univ.. Charles and 34th Sts., BALTI- 

 MORE 18, Md.. U.S.A. 



KONIJN. Th. M. Ph.D. — Hubrecht Lab. (Intern. Embryol. Inst.), p/a 

 Universiteitscentrum "De Uithof", UTRECHT, Netherlands 

 a. Chemotaxis, cell aggregation and differentiation. (Acrasiales) 



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