FRATELLO. B. D.Sc. — 1st. di Anat. Comp.. Univ. di Modena, Via Berengario 14, 41100 



MODENA, Italy 

 a Cellular growth and mitotic ratio in peripheral nervous system. (Amphibia) 

 h Developmental biology. Acerentomon microrhinus (Protura. Insecfa) 

 c Proteolytic pattern in the developing digestive apparatus. Rana spec. (Anura). Trituras 



spec. (Urodela), Gallus domesticus . Columba spec. (Aves) 

 FREED. J. Ph.D. — Inst, for Cancer Research, 7701 Burholme Ave., PHILADELPHIA, 



Pa. 19111, U.SJ^. 

 a Genetics of haploid embryo cell lines including analysis by nuclear transfer. Rana pipiens 



(Anura) (in collaboration with Mrs. L. MEZGER-FREED) 

 b Motility and ultrastructure of cultured cells. Rana pipiens (Anura). Tcifurus viridescens 



(Urodela) 

 FREEMAN, G. Ph.D. — Dept. of Biol., Univ. of California, San Diego, P.O. Box 109. 



LA JOLLA. Calif. 92037, U.S.A. 

 a Regeneration and asexual reproduction 

 FRENCKELL, M. von Lic.es Sci. — Lab. de Biochim., Univ. de Liege, 17 Place Delcour, 



LIEGE, Belgium 

 a Meca nismes biochimiques de I'oogenese. Xenopus laevis (Anura) 

 FRETTER, Miss V. Ph.D., D.Sc. — Dept. of Zool., Fac. of Sci.. Univ. of Reading. London 



Road, READING. Berks. RGl 5AQ. England 

 a Veliger larvae of coastal waters: structure, feeding, food requirements, digestion, 



structural changes at metamorphosis. Many spp. (Pcosobranchia, Gastropoda) 

 FRIANT, Mrs. M. Dr.es Sci., Dr. en Med., Prof. — Ecole d'Anthropologie, 1 Place d'lena, 



PARIS XVIe, France 

 a Development of the skeleton. (Reptilia; Aves; Mammalia) 

 h Development of the teeth. (Mammalia) 

 c Development of the brain. (Mammalia) 

 d Development of pterylosis. (Aves) 



e Development of cartilage, bone and horn. (Vertebrafa) 



f Development of Meckel's cartilage. (Mammalia), Homo sapiens (Primates) 

 FRIED (MONTAUFIER), Mrs. M. C. D.E.S. — Lab. de Genet. Evol. et de Biometrie, 



C.N.R.S.. 91 GIF-sur-YVETTE. France 

 a Glande androgene et evolution cycHque de I'hermaphrodisme non fonctionnel de la gonade 



du male. Talifrus saltator (Amphipoda, Crustacea) 

 FRIEDKIN. M. E. Ph.D.. Prof. — Dept. of Biol., Univ. of California. San Diego, P.O. Box 



109. LA JOLLA. Calif. 92037. U.S.A. 

 a Biochemistry of microtubular systems in relation to development of nerve tissues 

 b Action of pharmacological agents on development 



FRIEDLANDER, M. Ph.D. — Lab. of Genet.. Hebrew Univ., JERUSALEM, Israel 

 a Differentiation and function of the apyrene sperm; histochemical and electron microscope 



study of testes and genitalia of the inseminated female. Bombyx mori (Lepidopteca) 

 FRISTROM. Mrs. D. Ph.D. — Dept. of Zool.. Univ. of CaHfornia, BERKELEY, Calif. 



94720, U.S.A. 

 a Fine structure of imaginal discs. Drosophila melanogaster (Diptera) 

 FRISTROM, J. W. Ph.D. — Dept. of Genet., Univ. of California, BERKELEY, Calif. 94720, 



U.S.A. 

 FRITZ. H. I. Ph.D. — Dept. of Biol.. Div. of Sci. and Engin.. Wright State Univ., Col. 



Glenn Highway, DAYTON, Ohio 45431, U.S.A. 

 a The role of the egg white in the development of the embryo. Gallus domesticus (Aves) 

 h Embryonic nutrition. (Chelonia), Gallus domesticus (Aves), Didelphis marsupialis, Cal- 



uromys derbiana, Marmosa spec. (Marsupialia) 

 c Experimental teratogenesis. Gallus domesticus (Aves), (Marsupialia; Placentalia) 

 FROHLICH, J. M.D. — Lab. of Embryophysiol., Inst, of Physiol.. Fac. of Gen. Med.. Charles 



Univ.. Albertov 5. PRAGUE 2. Czechoslovakia 

 a Biochemical analysis of membrane ATP-ase system in developing fetal brain tissue. (Aves) 

 FRYE, B. E. Ph.D. — Dept. of Zool., Univ. of Michigan, ANN ARBOR, Mich. 48104, 



U.S.A. 

 FUJII, R. Ph.D. — Div. of Biol.. Natl. Inst, of Radiol. Sci.. Anagawa 4-9-1. CHIBA. (280) 



Japan 

 a Physiological studies on the changes in the responsiveness of melanophores during em- 

 bryonic development. Salmo irideus (Teleostei) 

 FUJII. T. Ph.D.. Prof. — Zool. Inst.. Univ. of Tokyo. Hongo 7-3, Bunkyo-ku. TOKYO. 



(113) Japan • 



a The mechanism of chemical carcinogenesis. Rattus norvegicus (Rodentia) 

 FUJISAWA. H. M.Sc. — Lab. of Developra. Biol.. Zool. Inst.. Fac. of Sci., Univ. of Kyoto, 



KYOTO. Japan 

 PUKE. M. D.Sc. — Biol. Inst.. Fac. of Sci., Univ. of Kanazawa, Marunouchi-1. KANA- 



ZAWA. Japan 

 a Reaggregation of dissociated cells. Callyspongia elongata (Porifera) 



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