LE'JOHN. H. E. B. B.Sc, Ph.D. — Fourah Bay Coll.. Univ. Coll. of Sierra 

 Leone, FREETOWN. Sierra Leone, W. Africa 

 a. Macromolecular differentiation of unicellular motile zoospores into uni- 

 cellular non-motile plants (electron microscopy, biochemistry, tracer 

 studies). Rhizophlyctis rosea (Chytridiomqcetes, Phycomycetes) 



LEMEZ, L. MUDr. — Dept. of Anat., Charles Univ., U nemocnice 3. 

 PRAHA 2. Czechoslovakia 



a. Embryonal haematoloqy. Gallus domesticus (Aves) 



b. Experimental morphology of the pneumogastric system. Galhis domesti- 

 cus (Aves) 



LENDER, Th. M.LLE.. Prof. — Lab de Biol. Anim . S.P.C.N., Univ. de 

 Paris. Fac. des Sci. d'Orsay. ORSAY (S. & O.), France 



a. Problemes de la regeneration: substances inductrices et inhibitrices. 

 (Planariidae, Turbellada) 



b. Neurosecretion. (Planariidae, Turbellada) 



c. Regeneration. Asterma qibbosa (Asteroidea, Echinodermata) 



d. Culture in vitro d'organes larvaires. Galleria spec. (Lepidopfera) . 

 Periplaneta spec. (Orthoptera) 



e. Culture in vitro de gonades larvaires males et femelles. Galleria 

 mellonella (Lepidoptera) 



LENICQUE. P. M. Ph.D. — Wenner-Gren's Inst, for exper. Biol., Norr- 

 tullsgatan 16, STOCKHOLM Va.. Sweden 

 a. Natural inhibitory and promotory agents during regeneration. (Hydroi- 



dea) 

 h. Dynamics of cells during regeneration. (Hydroidea) 

 LENNEP. E. W. van M.Sc. — Dept. of Histol. and Embryol.. Univ. of Syd- 

 ney, SYDNEY. N.S.W.. Australia 

 LENSKY, Y. M.Sc, Ph.D. — Fac. of Agric, Hebrew Univ. of Jerusalem, 

 P.O.B. 12, REHOVOTH, Israel 

 a. Changes occurring in proteins of haemolymph during metamorphosis. 



Apis mellifica var. ligustica (Hymenoptera) 

 h. Separation, characterization and identification of proteins of haemo- 

 lymph, in three castes and in two races. Apis mellifica var. ligustica 

 (Hymenoptera) 

 LENZ, W. M.D., Prof. — Inst. f. Humangenetik der Univ. Hamburg. 

 HAMBURG, Deutsche Bundesrepublik 

 a. Analysis of thalidomide embryopathy in relation to time of intake. 



(Mammalia) 

 h. Analysis of malformations associated with maternal diabetes. Homo 



sapiens (and other Mammalia) 

 c. Correlation of morphology with specific maternal history. Homo sapiens 

 (Primates) 

 LEONARDI, Miss G. Ph.D. — 1st. di Istol. ed Embriol., Univ. di Palermo, 

 Via Archirafi 18. PALERMO, Italia 



a. Hatching enzymes. (Mollusca; Ascidiae) 



b. Quantitative determinations of proteolytic activities in development. 

 (Ascidiae) 



LEONE, V. M.D., M.I.I.E. — Catt. di Embriol. e Morfol. Sper., Univ. di 

 Milano, Via Celoria N.IO, MILANO, Italia 



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