b. Electron microscopy of developing oocytes with special reference to 

 the development of yolk and egg membranes (comparative study). (In- 

 vertebrata. Verfehrata) 



c. Changes in the cortical cytoplasm following fertilization. Fundulus 

 heteroclitus (Teleostei), Rana pipiens (Anura) 



d. Electron microscopic analysis of metamorphic changes in skin, skeleton 

 and other organs. Rana pipiens (Anura) 



e. Effects of ionizing radiations on submicroscopic structure. Rana pipiens 

 (Anura) 



KERR. N. S. A.B., M.S.. Ph.D.. Prof. — Dept. of Zool, Coll. of Biol. Sci., 

 Univ. of Minnesota. MINNEAPOLIS, Minn. 55455. U.S.A. 

 a. The morphogenesis of non-flagellated amoeba to flagellated amoeba, of 

 amoeba to gametes, of zygotes to plasmodia. and of plasmodia to fruiting 

 bodies. Didymium nigripes (Eumycefozoina) 

 h. Developmental genetics. Didymium nigripes (Eumycefozoina) 

 KERR. W. E. B.Agr.. Ph.D.. Prof. — Dept. de Genet., Fac. de Med. de 

 Ribeirao Preto, RIBEIRAO PRfiTO, S.P.. Brasil 



a. Caste determination. Welipona quadrifasciata (Apidae, Hymenoptera) 



b. Sex determination. Welipona quadrifasciata. Apis mellifera (Apidae, 

 Hymenoptera) 



KESSLER, D. B.A.. M.S., Ph.D. — Dept. of Biol., Haverford Coll.. 

 HAVERFORD, Pa.. U.S.A. 

 a. Autoradiographic studies of ribonucleic acid synthesis during the mito- 

 tic cycle. Physarum polycephalum (Myxomycetae) 

 KETCHEL. M. M. B.A., M.S.. Ph.D. — Worcester Foundation for Exp. 

 Biol.. 222 Maple Avenue, SHREWSBURY. Mass.. U.S.A. 

 a. Immunology of pregnancy. Rattus norvegicus. Mus musculus (Rodentia) 

 b Role of Fallopian tube in development of the ovum. Rattus norvegicus, 

 Mus musculus (Rodentia) 

 KHALIL. S. H. B.Sc. M.Sc. — Dept. of Zool.. Alexandria Univ., Mohar- 

 ram Bey. ALEXANDRIA. Egypt 

 a. The development of the urogenital system. Bufo regularis (Anura) (in 

 collaboration with M. I. MICHAEL and S. N. SEDRA) 

 KIDO. T. D.Sc. Prof. — Biol. Inst., Fac. of Sci., Univ. of Kanazawa, 

 Marunouchi-1. KANAZAWA, Japan 

 a. Analysis of mechanism of pharynx-formation. Dugesia japonica (Tur- 



bellaria) 

 b Depigmentation of eye after treatment with, thiourea and iodine. Duge- 

 sia japonica (Turbellaria) 



c. Reaggregation of dissociated cells. Callyspongia elongata (Porifera) 



d. Cvtological properties of neoblasts. Dugesia japonica (Turbellaria) 

 KIELB6WNA, Miss L. D.Sc. — Zaklad Zool. Ogolnej, Inst. Zool.. Uniw. 



we Wroclawiu. ul. Sienkiewicza 21, WROCLAW, Poland 



a. The morphogenetic functions of the thyroid gland and hypophysis. 

 (Amphibia) 



b. Histogenesis of striated muscle. Xenopus laevis (Anura) 



c. Regeneration. Bufo bufo (Anura) 



KIENY, Mrs. M. A. SENGEL Dr.es Sci,, M.I.I.E. — Lab. de Zool., Fac. 

 des Sci. de Grenoble. Domaine Universitaire. B.P. 19, SAINT-MAR- 

 TIN-d'HfiRES 38, France 



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