a Fertilization in vivo and in vitro in inbred recombinant lines. Mus musculus (Rodentia) 



LOS, J. A.; M.D. - Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 61, 1092 AD 



AMSTERDAM-0., Netherlands 

 LOUVET, J. P.; Dr.Biol.anim. - Lab. de Zool. Exp., Univ. de Bordeaux I, Av. des Facultes, 33405 



TALENCE, France 

 a Ultrastructure of the differentiation of ectodermal derivatives of the germ band. Carausius spec. 



(Phasmida) 

 b Segment morphogenesis and neurogenesis. Same species as a 

 c Comparative ultrastructural study of the pleuropodium. Rhizotrogus spec. (Coleoptera), Pyr- 



rhocoris spec. (Heteroptera) 

 d Embryonic ecdysteroids and cuticular cycles. Same species as a, and CUtumnus spec. (Phasmida), 



Calliphora spec. (Diptera), (Astacidae, Decapoda, Crustacea) (with B. FOURNIER, N. BORDES, 



M. CAVALLIN and N. DAGUERRE de HUREAUX) 

 L0VTRUP (REIN), Ms. H.; Fil.Dr. - Dept. of Zoophysiol., Univ. of Umel, 90187 UMEA, Sweden 

 a Mitochondrial differentiation during early ontogenesis. Xenopus laevis (Anura) 

 b Cell transformation and cell differentiation. Same species as a and Amby stoma mexicanum 



(Urodela) (with S. L0VTRUP and U. LANDSTROM) 

 c Metabolic processes during early development (glycolysis, pentose phosphate shunt and oxida- 

 tive metabohsm). Same species as a 

 L0VTRUP, S.; Dr.phil., Prof. - Dept. of Zoophysiol., Univ. of UmeS, 90187 UMEA, Sweden 

 a Cell transformation and cell differentiation. Xenopus laevis (Anura), Amby stoma mexicanum 



(Urodela) (with H. L0VTRUP and U. LANDSTROM) 

 b Differentiation of mitochondria. Xenopus laevis (Anura) (with H. L0VTRUP) 

 LOWKVIST, H. B. J.; Fil.Kand. - Inst.of Zoophysiol. ,Univ.of Lund, Helgonavagen 3B,223 62 LUND, 



Sweden 

 a Variation in polyamine content and morphological result of polyamine depletion during the two 



first days of development. Callus gallus (Aves) 

 LUBSEN, Ms. N. H.; Dr. - Dept. of Genet., Cathol. Univ., Toernooiveld, 6525 ED NIJMEGEN, 



Netherlands 

 a Composition and function of primary gene products from newly activated puffs. Drosophila 



hydei (Diptera) 

 LUCARZ-BIETRY, Ms. A. F. - Lab. de Zool. et Embryol., Univ. de Besan§on, place Marechal Leclerc, 



25030 BESAN^ON Cedex, France 

 a Influence des hormones sexuelles sur la differenciation des glandes mammaires d'embryons. Oryc- 



tolagus cuniculus (Lagomorpha) (avec C. COLARD et L. GOMOT) 

 LUCAS, A.; Dr.Sci., Prof. - Lab. de Zool., Univ. de Bretagne Occidentale, 6 av. le Gorgeu, 29283 



BREST Cedex, France 

 LUCEY, E. C. A.; B.Sc. - Res. Film Unit., Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., 



EDINBURGH EH9 3JN, Scotland, UK 

 a Film of normal development. Gallus domesticus (Aves) 



b Technique of in vitro culture of embryo; descriptive material covering first 72 hours of develop- 

 ment in vitro. Same species as a 

 c Film showing nuclear transfer technique. (Amphibia) 

 d Differentiation and cell interactions in vitro of normal and abnormal ocular epithelium. Gallus 



domesticus (Aves), Mus musculus (Rodentia) 

 LUDWIG, K. S.; Dr.med., Prof. - Anat. Inst, der Univ., Pestalozzistr. 20, 4056 BASEL, Switzerland 

 a Histochemistry of ripening ovarian follicles and the influence of steroid hormones. Rattus spec, 



Mesocricetus auratus (Rodentia), Homo sapiens (Primates) 

 LUGER, O.; Dr. - Inst, fur Molek.biol., Abt. Biol., Osterreich. Akad. der Wissensch., BiUrothstr. 11, 



5020 SALZBURG, Austria 

 a Control of differentiation and DNA synthesis in heterokaryons and cell hybrids. (Aves; Mammalia) 

 b Muscle differentiation in vitro; influence of fusion with somatic cells. (Aves; Mammalia) 

 LUI, A.; Dr.biol., Prof. - Dept. of Zool., Univ. of Zagreb, Rooseveltov trg 6, 41000 ZAGREB, Yugo- 

 slavia 

 a Elimination of zymogen cells and their derivatives by antimite, a cytostatic agent. Pelmatohydra 



oligactis (Hydrozoa) (with D. ZnIDARIC) 

 b Immunological reaction and changes in differentiation and morphogenesis in xenografts. Hydra 



pirardi, H. pseudoligactis (Hydrozoa) (with D. 2NIDARI(!]) 

 LUMSDEN, A. G. S.; Ph.D. - Unit of Anat. in Rel. to Dent., Anat. Dept., Guy's Hosp. Med. School, 



London Bridge, LONDON SEl 9RT, England 

 a Experiments on morphogenetic fields controlling tootli number and tooth form. Mus musculus 



(Rodentia) 

 b Theoretical models for the control of tooth shape. (Mammalia) 

 LUNDQUIST, A.; FU.Mag. - Zoophysiol. Inst., Univ. of Lund, Helgonavagen 3B, 223 62 LUND, 



Sweden 

 a Structure and function of yolk granules in the early embryo. Calliphora erythrocephala (Diptera) 

 b Germ ceU determination in the embryo. Same species as a 



LUTZ, H.; D.Sc, Prof - Lab. de Biol. Anim., Univ. de Clermont II, B.P. 45, 63170 AUBlfiRE, France 

 a Developpement du blastoderme pendant les premieres heures de I'incubation. Anas spec. (Aves) 

 b Culture in vitro du blastoderme. (Aves) (avec Y. LUTZ-OSTERTAG) 

 c Formation de I'entoblaste. (Aves) 



d La polyembryonie experimentale; I'orientation des embryons. (Aves) 

 e Polyembryonie experimentale. (Salmonidae, Teleostei) (avec Y. LUTZ-OSTERTAG) 



71 



