a Egg production and survival of embryos after mother has been fed enzyme inhibitors, 



antimetaboHtes and related compounds; without and with irradiation. Habrobracon spec. 



(Hymenoptera) 

 b The effects of space flight on reproductive performance (weightlessness, dynamic factors 



of launching and recovery, and radiation effects). (Insecta) 

 GROSS, P. R. — Dept. of Biol., Massachusetts Inst, of Technol., CAMBRIDGE, Mass. 



02139, U.S.A. 

 GROTE, W. Dr.med. — Inst, for Human Genet, and Anthropol., Univ. of Diisseldorf, Ulen- 



bergstr. 127, 4000 DUSSELDORF, W.Gerraany 

 a Teratogenesis by increase of partial CO2 and O2 pressure or by reduction of the atmos- 

 pheric pressure. Oryctolagus cuniculus (Lagomorpha) 

 h Teratogenic effect of hypothermia: electrolytes in serum, and lactic and pyruvic acid in 



blood under normothermic and hypothermic conditions. Oryctolagus cuniculus (Lago- 

 morpha) 

 c Teratogenic effect of maternal hemorrhages. Oryctolagus cuniculus (Lagomorpha) 

 GRUMMT, F. Dipl.biol. — Inst, fiir Zellphysiol., Deutsche Akad. der Wissensch. zu Berlin, 



Lindenberger Weg 70, 1115 BERLIN-Buch, East.Germany 

 GRUNEBERG, H. Ph.D.. M.D., D.Sc, F.R.S., Prof. — Dept. of Anim. Genet., Univ. Coll. 



London, Wolf son House, 4 Stephenson Way, LONDON N.W.I, England • 



a Developmental genetics. Mus musculus (Rodentia) 

 GRUNZ, H. Dr.rer.nat. — Inst, fiir Physiol. Chemie, Freie Univ. Berlin, Arnimallee 22, 



1 BERLIN 33, W.Germany 

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



(Amphibia), Callus domesticus (Aves) 

 h Changes of cell affinity during morphogenesis. (Vectebrata) 



c Competence in early development. Ttiturus alpestds, Ambystoma mexicana (Urodela) 

 GSELL, R. — Zool.-vergl. Anat. Inst., Naturwiss. Fak., Univ. Ziirich, Kiinstlergasse 16, 



8006-ZtlRICH, Switzerland 

 a Clonal analysis in cultures of imaginal discs from instable mottling systems (strain Ysc8). 



Drosophila melanogaster (Diptera) 

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



Via Giolitti 34, 10123 TORINO. Italy 

 a Induction by prolactin of thyroid activation in larvae at advanced metamorphic stages. 



Bu[o bufo (Anuva) (in collaboration with M. OLIVERO, E. CAMPANTICO, M. T. 



RINAUDO, C. GIUNTA and R. BRUNO) 

 GUERRIER. P. — Sect, de Biol. Gener. et Appl., Univ. de Lyon, 43 Bd. du 11 Novembre 



1918, 69 VILLEURBANNE, France 

 a Etude microcinematographique du developpement. (Nematoda; Spiralia) 

 GUICHARD (CHAVENAT) Mrs. A. Maitre es sci.biol.anim. — Lab. de Chimie Hormonale, 



Maternite de Port-Royal, 121 Bd. de Port-Royal, PARIS XI Ve, France 

 a Biosynthesis of steriods and sterols in organotypic culture of immature gonads; influence 



of HCG on steroidogenesis. Callus domesticus (Aves) 

 h 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) 

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



GRANADA, Spain 

 GUMBRECK, L. Ph.D.. Prof. — Dept. of Anat., Med. School, Univ. of Oldahoma. 801 NE 



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

 a Studies on the development of genital, ophthalmic and urinary anomalies as related to genes, 



with emphasis on hermaphroditic alterations. Rattus raftus (Rodentia) 

 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 em- 

 bryos. Rattus noruegicus (Rodentia) 

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



Rattus noruegicus (Rodentia) 

 GUNDISCH, M. M.D., D.Sc. Prof. — Dept. of Neuropathol., Research Station of Tirgu- 



Mure§ of the Acad, of the S.S.R., Str. Gh. Marinescu 38, TIRGU-MURE§, Rumania 

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

 a Developmental morphology. Bemisia gossypiperda (Aleurodidae, Homoptera) 

 b Studies on structural differences in development in relation to the host plant. Bemisia 



gossypiperda (Aleurodidae, Homoptera) 

 GURAYA. S. S. Ph.D. — Dept. of Zool., Univ. of Udaipur, UDAIPUR, Rajasthan, India 

 GURDON, J. B. M.A., D.Phil. — Dept. of Zool., Parks Rd., OXFORD, England • 



GUSTAFSON, T. Fil.Dr., Prof. — The Wenner-Gren Inst., Norrtullsgatan 16, S-113 45 



STOCKHOLM, Sweden • 



a Morphogenetic movements and cell contacts. (Echinoidea) 

 b Enzyme induction and repression in cell cultures 



70 



