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



TALENCE, France 

 a Recherches descriptives et ultrastructuralcs sur la differenciation de la bandelette embryonnaire. 



Carausius spp. (Pliasmida) 

 b Neurogenese. Meme espece commc a 

 c Differenciation de Thypoderme. Meme espece comme a 

 d Ultrastructure comparec du pleuropode. Carausius spec. (Phasmida), Locusta spec. (Orthoptera), 



. Rliizotrogus spec. (Coleoptera), Pyrrhocoris spec. (Heteroptera) ^ 



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

 a Mitochondrial differentiation during early ontogenesis. Rana spp. (Anura) 

 b Guanosine tripliosphate (GTP) and cyclic nucleotides and gastrulation. Xenopus laevis (Anura) 

 c Cell transformation and cell differentiation. Rana spp., Xenopus laevis (Anura) (with 



S. L0VTRUP and L. NELSON) 

 L0VTRUP. S.; Dr.Phil., Prof. Dept. of Zoophysiol., Univ. of Umea, 90187 UMEA, Sweden 

 a Permeability and osmoregulation. Rana spp. (Anura) (with K. HANSSON MILD) 

 b Cell transformation and cell differentiation. Rana spp., Xenopus laevis (Anura) (with 



H., L0VTRUP and L. NELSON) 

 c Dorso-vcntral polarity. Xenopus laevis (Anura) (with U. LANDSTROM) 

 d Differentiation of mitochondria. Same species as c (with H. L0VTRUP) 

 LOWERY, R. S.; Ph.D. - Dept. of Biol., City of London Polytechnic, 31 Jewry St., LONDON 



EC3N 2EY, England 

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



BREST Cedex, France 

 a Experimental rearing of larvae; effect of pollutants and nutrition on growth and mortality. 



Mytilis edulis, Pcctinidae, Veneridae (Lamellibranchia) 

 b Morphogenesis of reproductive apparatus; gonad differentiation, juvenile sexuality. (Lamelli- 

 branchia) 

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



EDINBURGH EH9 3JN, Scotland, U.K. 

 a Film of normal development. Gallus domesticus ( Aves) 

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



development 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) (with R. M. CLAYTON, D.J. PRITCHARD and 



M. M. PERRY) 

 LUDVVIG, 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, fiir Molek.biol., Abt. Biol., Osterreich. Akad. der Wissensch., Billrothstr., 



5020 SALZBURG, Austria 

 a Control of differentiation and DNA synthesis in heterokaryons and cell hybrids. (Fungi) 

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

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



Yugoslavia 

 a Regeneration of proximal and distal body parts after exposure to ultraviolet light. Pelmatohydra 



oligactis. Hydra vulgaris (Hydrozoa) (with D.ZNIDARIC) 

 b Effect of cosmogen (actinomycin D) and ultraviolet light on viability and regeneration. Pelma- 

 tohydra oligactis, P. vulgaris (Hydrozoa) (with D. ^NIDARlC) 

 LUKE, D. A.; DOrthRCS -Dept. of Oral Anat., Dental School, Northumberland Rd., NEWCASTLE 



upon Tyne NEl 8TA, England 

 a Development of primary and secondary palate. Homo sapiens (Primates) 

 b Neonatal growth of the skull and teeth. Same species as a 

 c Effects of steroid hormones on oral mucosa in vitro. Mus musculus (Rodentia) 

 LUKiC, M. L.; M.D. - Immunol. Res. Center, Univ. of Belgrade, Vojvode Stepe 458, P.O. Box 979, 



11 000 BEOGRAD, Yugo-^lavia 

 LUNDQUIST, A.; Fil.Mag. - Zoophysiol. Inst., Univ. of Lund, Helgonaviigen 3, 223 62 LUND, 



Sweden 

 a Nucleic acid mobilization during early development. Calliphora erythrocephala (Diptera) 

 LUPORINI, P.; Dr.Sc.Biol. - 1st. di Zool. e Anat. Comp. dell'Univ., Via A.Volta 4, 56100 PISA, Italy 

 LUTZ, H.; Dr.es Sci., Prof. - Lab. de Biol. Anim., Univ. de Clermont, B.P. 45, 63170 AUBlfcRE, 



France 

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

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

 c Formation de I'entoblaste. (Aves) 



d La polyembryonie experimentale; Forientation des embryons. (Aves) 

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

 f Action des ultra-sons sur I'embryon et sur differents organes. Gallus spec. (Aves) (avec Mrs. Y. 



LUTZ-OSTERTAG) 

 g Action des pesticides sur le developpement de Tembryon. (Aves) 

 h Free-martinismc spontane. (Aves) (avec Mrs. Y. LUTZ-OSTERTAG) 

 LUTZ (OSTERTAG), Mrs. Y.; Dr.es Sci. Lab. de Biol. Anim., Univ. de Clermont, B.P. 45, 63170 



AUBI£RE, France 

 a La genese de I'asymmetrie du tractus genital et la regression des canaux de Muller par la methode 



d'explantations. Gallus spec. (Aves) 



65 



