GRUNZ, H. Dr.rer.nat. — Inst, fur Biochem. und Molek. Biol., Fachbereich I (Vorklinik) 



Freie Univ. Berlin, Arnimallee 22, 1 BERLIN 33, W.Germany 

 a RNA and protein synthesis with regard to aggregation of dissociated embryonic cells. 



(Amphibia) 

 b Changes of cell affinity during morphogenesis. (Amphibia) 



c Competency in early development. Triturus alpestris, Ambystoma mexicanum (Urodela) 

 GUARDABASSI, Miss A. Dr.nat.sci., Prof. — Inst, of Exper. Embryol., Univ. of Turin Via 



Giolitti 34, 10123 TORINO, Italy 

 GUEDENET, J. C. Ing. — Lab. de Biol. Med., Univ. de Nancy I, 30 rue Lionnois, 54 



NANCY, France 

 a Ultrastructure du developpement du complexe hypothalamo-hypophysaire. Gallus domesti- 



cus (Aves) 

 GUERRIER, P. — Sect, de Biol. Gener. et Appl., Univ. de Lyon I, 43 Bd. du 1 1 Novembre 



1918, 69 VILLEURBANNE, France 

 a Etude microcinematographique du developpement. (Nematoda; Spiralis) 

 GUICHARD (CHAVENAT), Mrs. A. M.es sci.biol.anim. — Lab. de Chim. Horm., Maternite 



de Port-Royal, 121 Bd. de Port-Royal, 75 PARIS XlVe, France 

 a Biosynthesis of steroids and sterols in organ culture of immature gonads; influence of HCG 



on steroidogenesis. Gallus domesticus (Aves) 

 b Cholesterol synthesis from acetate- 14C and utilization of endogenous cholesterol for 



progesteron synthesis in placenta perfused in vitro; influence of chorionic gonadotropin 



and LH. Homo sapiens (Primates) 

 GUICHARD (CHAIX). Mrs. M. T. D.E.A. — Lab. de Physiol, des Insectes — Batiment A, 



Univ. de Paris VI, 1 1 quai Saint-Bernard, 75 PARIS Ve, France 

 a Recherches descriptives et experimentales sur le developpement. Culex pipiens (Diptera) 

 GUIRAO-PEREZ. M. Med.Dr., Prof. — Inst. F. Oloriz, Fac. of Med., Univ. of Granada, 



GRANADA, Spain 

 GULAMHUSEIN, A. P. B.Sc. — Wellcome Inst, of Comp. Physiol., Zool. Soc. of London, 



Regent's Park, LONDON NW1 4RY, England 

 a Reproduction, especially delayed implantation: 1. light - ultrastructural studies of the 



blastocyst and uterine epithelium; 2. histochemistry of the reproductive tract. Mustela 



erminea (Carnivora) 

 b Light and electron microscopy of pre and post implantation changes in the uterus and the 



development of endotheliochorial placenta. Mustela putorius (Carnivora) 

 GULLUNI (CUOMO), Mrs. M. Dr. — 1st. di Biol. Gen., Fac. di Med., Univ. di Roma, 



Policlinico Umberto I, 00100 ROMA, Italy 

 a Effects of gravity acceleration during growth of primary root. Vicia faba (Papilionaceae) 

 b Effects of 1-asparaginase during rejection of embryonic and larval transplants. Rana 



esculenta (Anuva), Triturus taeniatus (Urodela) 

 GULYAS, B. J. Ph.D. — Dept. of Anat, Georgetown Univ., 3900 Reservoir Rd. N.W., 



WASHINGTON, D.C. 20007, U.S.A. 

 a Delayed implantation: DNA, RNA, and protein synthesis in blastocysts (autoradiography, 



scintillation counting, etc.). Dasypus spec. (Edentata), Oryctolagus cuniculus (Lago- 



morpha) , Rattus spec, Mus musculus (Rodentia), Mustela vison (Carnivora) 

 b Biochemistry and ultrastructure of formation and fate of annulate lamellae, nucleolar 



function, and blastocyst formation. Oryctolagus cuniculus ( Lagomorpha) , Rattus spec. 



(Rodentia) 

 GUMBRECK, L. Ph.D., Prof. — Dept. of Anat. Sci., Univ. of Oklahoma Med. Center, 801 



NE 13th St., OKLAHOMA-City, Okla. 73104, U.S.A. 

 a Development of genital, ophthalmic and urinary anomalies as related to genes, with 



emphasis on hermaphroditic alterations. Rattus rattus (Rodentia) 

 GUMPEL (PINOT), Mrs. M. Dr.es Sci. — Inst. dEmbryol. et Teratol. Exper. du C.N.R.S., 



49bis Av. de la Belle Gabrielle, 94 NOGENT-sur-MARNE, France 

 a La croissance et la differenciation du bourgeon de membre in vitro. Gallus gallus 



(Aves) 

 b Rapports mesenchyme axial - mesenchyme lateral dans l'organogenese du membre. Same 



species as a 

 c Organogenese du mesonephros. Gallus gallus, Coturnix japonica (Aves) (avec Y. 



CROISILLE et C. S. MARTIN) 

 GUNBERG, D. L. Ph.D., Prof. — Anat. Dept., Univ. of Oregon Med. School, 3181 S.W. 



Sam Jackson Park Rd., PORTLAND, Ore. 97201, U.S.A. 

 a In vitro investigations of the metabolic requirements of early post-implantation 



embryos. Rattus norvegicus (Rodentia) 

 b An investigation of the effects of teratogens on 6-30 somite embryos cultured in serum. 



Rattus norvegicus (Rodentia) wm ,-»«% t .. 



GUPTA, P. C. Ph.D. — Dept. of Zool., Univ. of Gorakhpur, GORAKHPUR, (U.P.), India 

 GURAYA, S. S. Ph.D., D.Sc, Prof. — Dept. of Zool., Punjab Agric. Univ., LUDHIANA, 



Punjab, India , ... 



a Cytology and histochemistry of oogenesis. Herdmania pallida (Tunicata), (belachu), 



71 



