WILLEMSE M. Th. M.; Ph.D., Prof. - Dept. of Plant Cytol. and Morphol., Agric. Univ., Aiboretum- 



laan 4, 6703 BD WAGENINGEN, Netherlands 

 a Ultrastructural, histochemical, and comparative study of micro- and macrogametogenesis and 



fertilization. Thuja occidentalis (Cupressaceae), Pinus sylvestris (Pinaceae), Gasteria verrucosa 



(Liliaceae) 

 b Ultrastructural and experimental study of the division and formation of mitochondria in the 



central and egg cell of the archegonium. Pinus sylvestris (Pinaceae) 

 WILLETTS, A.; Ph.D. - Dept. of Biol. Sci., Univ. of Exeter, Perry Rd., EXETER EX4 4QG, England 

 WILLIAMSON, D. I.; Ph.D., D.Sc. - Dept. of Marine Biol., Univ. of Liverpool, PORT ERIN, Isle ot 



Man, U.K. 

 a Laboratory rearing of larval stages; moulting, feeding, number of stages. Palinurus elephas, 



Nephrops norvegicus (Decapoda, Crustacea) 

 b Hatching rhytlims. (Decapoda, Crustacea) 



WILLIAMSON, R. - Dept. of Biochem., St.Mary's Hosp. Med. Sch., LONDON, England 

 a Properties of lens mRNAs; regulation of stability. Gallus domesticus (Aves) (with R. M. 



CLAYTON, J. F. JACKSON and I. THOMSON, Edinburgh) 

 WILSON, I. B.; Ph.D. - Dept. of Zool., Univ. Coll. of N. Wales, Brambell Labs., BANGOR, Gwynedd 



LLSV 2UW, Wales, U.K. 

 a Establishment of implantation and early pregnancy. Mus musculus (Rodentia) 

 b Experimental developmental morphology. Same species as a 



c Morphology and endocrinology of viviparity. Chalcides ocellatus, C. sepoides (Lacertilia) 

 WINKLER I ; Dipl.Biol. - Lehrgeb. Entomol. und Okol., Inst, fur Pflanzenkrankh. und Pflanzen- 



schutz, Univ., Herrenhauser Str. 2, 3000 HANNOVER 21, B.R.D. (Germany) 

 a Biochemistry of caste determination and oviposition. Formica polyctena, F. rufa (Hymenoptera) 

 WINTER G. - Inst, fur Zool., Lehrst. I, Univ. Erlangen-Nurnberg, Universitatsstr. 19, 8520 



ERLANGEN, B.R.D. (Germany) 

 a Comparative embryology. Pycnogonum spec, Ammothea spec, Phoxichilium spec, Callipallene 



spec. (Pantopoda) 

 WISE (WYLES), Ms. C; Ph.D. - Zool. Dept., Univ. CoU., Belfield, StUlorgan Rd., DUBLIN 4, Ireland 

 WITHERS, L.; Dr. - Bot. Labs., Univ. of Leicester, Adrian Bldg., LEICESTER LEI 7RH, England 

 a Freezing preservation of embryos developing in cell cultures; freezing injury (electron microscopy) 

 WITKOWSKA,Ms. A.;Ph.D. - Dept. of Embryol., Zool. Inst., Univ. of Warsaw, Krakowskie Przedmiescie 



26/28, 00-927 WARSZAWA, Poland 

 a Preimplantation development in vivo and in vitro. Mus musculus (Rodentia) 

 b Chromosomal aberrations in embryogenesis. Same species as a 



c Fertilization of zona-free eggs in vitro and pre-implantation development. Same species as a 

 WITTMANN, D.; Dipl.Biol. - Lehrst. Entw.-physiol., Inst, fiir Biol. HI, Univ., Morgenstelle 28, 7400 



TUBINGEN, B.R.D. (Germany) 

 a Rearing techniques for worker larvae on partial artificial diet; breeding in indoor flight rooms. 



Apis mellifera (Hymenoptera) 

 b Effects of insecticides on larval development. Same species as a 



WOELLWARTH, C. von; Dr.phil. - Munchingerstr. 5, 7257 DITZINGEN, B.R.D. (Germany) 

 WOERDEMAN, M. W.; M.D., Prof. (Emer.) - Ant.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 



61, 1092 AD AMSTERDAM-0., Netherlands 

 WOLBERT, P.; Dr.rer.nat. - Zool. Inst, der Univ., Lehrst.I: Morphol. und Entw. biol., Rontgenring 



10, 8700 WURZBURG, B.R.D. (Germany) 

 a Mechanism of juvenUe hormone action on determination of imaginal characteristics in pupae; 



correlations and causal relationships between juvenile hormone sensitivity, determination and cell 



cycle, DN A synthesis and DNA complexity. Galleria melloneUa (Lepidoptera) 

 WOLF, R.; Dr. - Zool. Inst, der Univ., Lehrst.I: Morphol. und Entw.biol., Rontgenring 10, 8700 



WURZBURG, B.R.D. (Germany) 

 a Experimental alterations of the cleavage pattern (time lapse, electron microscopy). Wachtliella 



spec. (Diptera) 

 b Egg activation and nuclear migration (time lapse, electron microscopy). Pimpla turionellae 



(Hymenoptera) 

 c Cell cycle analysis in macroplasmodia (time lapse, electron microscopy). Physarum spec. 



(Myxomycetes) 

 WOLF, U.; Dr., Prof. - Inst, fur Humangenet. und Anthropol. der Univ., Albertstr. 1 1, 7800 FREIBURG, 



B.R.D. (Germany) 

 a Sex determination and differentiation. (Vertebrata) 

 WOLFF (HENNIG), Ms. Em.: D.Sc. - Inst. d'Embryol., CoU. de France, 11 place M. Berthelot, 



75231 PARIS Cedex 05, France 

 a Organ culture of cancer tumors taken directly from the patient: growth factors for long term 



culture; culture on yeast and liver dialysates; fractionation of dialysates of liver extracts. Homo 



sapiens (Primates) 

 WOLFF, Et. C; D.Sc, Prof. Emer., - Inst. d'Embryol., CoU.de France, 11 place M. Berthelot, 75231 



PARIS Cedex 05, France 

 a Culture in vitro de longue duree de tumeurs maUgnes en presence et en I'absence d'organes 



embryonnaires. Homo sapiens (Primates) 

 WOLPERT, L.; Ph.D., Prof. - Dept. of Biol, as Appl. to Med., Middlesex Hosp. Med. Sch., LONDON 



W1P6DB, England 

 WOLTZ, P.; Dr.spec - Lab. de Morphogen. Veget., Univ. d'Aix-Marseille III, Fac. St-Jerome, rue 



Henri Poincare, 13397 MARSEILLE Cedex 4, France 

 WOOD, D. A. W.; Ph.D. - Microbiol. Dept., Glasshouse Crops Res. Inst., Rustington, LITTLEH AMPTON, 



BN16 3PU, England 



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