GAILLARD, J. A. M.D. — Dept. of Pathol., Central Lab., Centre Hospitalier Region., rue 



Saint-Louis, 27 EVREUX, France 

 a Embryonic tumors; germ cell tumors; dysembryomas of ovary and testis; blastemal tumors. 



Homo sapiens (Primates) 

 b Comparative developmental morphology of embryoids and first stages of normal ova. 



Homo sapiens (Primates) 

 c Extra-embryonic structures in embryomas. Homo sapiens (Primates) 

 GAILLARD, P. J. M.D., Prof. — . Lab. for Cell Biol, and Histol., State Univ., Rijnsburger- 



weg 10, LEIDEN, Netherlands • 



a Hormones and bone development (organ culture, enzyme chemistry, isotope techniques). 



Mus musculus (Rodentia) 

 b Imidazol and its derivates and bone development (organ culture). Same species as a 

 GAINO, Miss E. Dr.Biol.Sci. — 1st. di Zool., Univ. di Genova, Via Balbi 5, 16126 



GENOVA, Italy 

 a Sexual dimorphism in the embryos of a parthenogenetic form. Penilia avirostris (Cladocera, 



GALAND, G. D.E.S. — Lab. de Physiol. Anim., Fac. des Sci., B.P. 347, 51 REIMS, France 

 a Functional development of small intestine. Rattus norvegicus (Rodentia) 

 GALL, J. G. Ph.D., Prof. — Dept. of Biol., Kline Biol. Tower, Yale Univ., NEW HAVEN, 

 Conn. 06520, U.S.A. • 



GALLENI, L. Dr.Biol.Sci. — 1st. di Zool. e Anat. Comp. dell'Univ., Via A. Volta 4, 



56100 PISA, Italy 

 a Lampbrush chromosomes. (Anuca) 



GALLERA, J. D.Sc. — Lab. d'Embryol. Exper., Inst. d'Histol., Univ. de Geneve, 20 rue de 

 l'Ecole de Medecine, 1211 GENEVE 4, Switzerland • 



a Mechanisms involved in the induction process. Gallus domesticus (Aves) 

 b Comparison between the inductive capacities of the presumptive endoblast and mesoblast 



cells located in the primitive streak. Same species as a 

 c Meaning of the period of latency inserted between the induction time and the beginning of 



neurulation. Same species as a 

 d Subcellular changes during early morphogenesis (electron microscopy). (Aves) (with G. 



NICOLET) 

 GALLIEN, L. Dr.es Sci., Prof. — Lab. d'Embryol., Univ. de Paris VI, 9 quai St.Bernai d, 75 

 PARIS Ve, France • 



GALSTON, A. W. Ph.D., Prof. — Dept. of Biol., Kline Biol. Tower, Yale Univ., NEW 



HAVEN, Conn. 06520, U.S.A. 

 a Analysis of molecular basis for the developmental roles of hormones such as indole-3- 



acetic acid and of light (absorbed by phytochrome) . Pisum sativum (Papilionaceae) 

 b Plant protoplasts: preparation by the use of cell-wall digesting enzymes; culture; cell wall 

 regeneration; attempts to achieve fusion. Pisum sativum (Papilionaceae); Avena sativa 

 (Gramineae) ; Nicotiana tabacum (Solanaceae) 

 GALUN, E. Ph.D. — Dept. of Plant Genet., The Weizmann Inst, of Sci., REHOVOTH, 



Israel 

 a Determination of sex expression: genetic and hormonal factors. Cucumis spec. (Cucur- 



bitaceae) 

 b Photo-induced changes in differentiation: structural, biochemical & genetic aspects. 



Trichoderma spec. (Fungi imperfecti) 

 GAMBLE, H. J. Ph.D. — Dept. of Anat., St. Thomas's Hosp. Med. School, LONDON 



S.E.I, England 

 a Development of peripheral nervous tissues in the foetus. Homo sapiens (Primates) 

 b Development of spinal cord in the foetus (electron microscopy). Homo sapiens (Primates) 

 GARBER (BILSKY), Mrs. B. B. Ph.D. — , Dept. of Biol., Div. of Biol. Sci., Univ. of 



Chicago, CHICAGO, 111. 60637, U.S.A. 

 GARCIA AUSTT, E. M.D., Prof. — Sect, of Exper. Neurol., Inst, of Neurol., Hosp. de 



Clinicas, Piso 2, MONTEVIDEO, Uruguay 

 a Influence of uterine contractions on fetal EEG. Homo sapiens (Primates) 

 GARCIA-BELLIDO, A. Ph.D. — Sect. Developm. Genet., Inst, of Genet, and Anthropol., 



Velazquez 144, MADRID 6, Spain 

 a Developmental genetic analysis of the wing imaginal disc; development in situ and in 



culture. Drosophila melanogastec (Diptera) 

 b Nature of the specificity of cell recognition in cell aggregates of imaginal discs; cell 



affinities of normal versus mutant genotypes. Drosophila melanogastec (Diptera) 

 GARDENGHI, G. Dr. — Inst, of Zool., Univ. of Bologna, Via S.Giacomo 9, 40126 



BOLOGNA, Italy 

 a In vitro culture of larval gonads. Bufo bufo (Anura) 



b Hormonic regulation of ovarian and Bidder's organ oogenesis. Same species as a 

 GARDNER, R. L. Ph.D. — Marshall Lab., Dept. of Physiol., Univ. of Cambridge, Downing 



St., CAMBRIDGE CB2 3EG, England 

 a Differentiation, determination, and interaction between trophoblast and inner cell mass in 

 the blastocyst (microsurgery, microinjection) . Mus musculus (Rodentia) 



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