LINDAHL, P. E. Fil.Dr, F.I.I.E., Prof. — Inst, for Zoophysiol, Uppsala 

 Univ.. UPPSALA, Sweden 



a. Large scale separation of macromeres, mesomeres and micromeres of the 

 developing egg. (Echinoidea) 



b. The mechanism of agglutination of spermatozoa. (Mammalia) (in colla- 

 boration with S. ROSS and N.-O. BODIN) 



c. The primary sex rate. (Mammalia) (in collaboration with Mrs G. SUN- 

 DELL— THORSELL ) 



LINDBERG, N. O. H. Phil.Dr — Wenner-Grens Inst, for exper. Biol., 

 Norrtullsgatan 16. STOCKHOLM Va., Sweden 

 a. Biochemistry and physiology of mitochondria. (Echinoidea) 

 LINDH. N. O. Fil.Lic. — Zoophysiol. Inst.. Univ. of Lund. LUND, Sweden 

 LIOTTI. F. S. Dott. — 1st. di Biol, gen., Fac. di Med., S. Pietro, PERU- 

 GIA. Italia 



a. Ossiforo di Spirito in embrioni a varie temperature. (Anuta) 



b. Rigenerazione. Triton spec. (Urodela) 



LIPSCHUTZ. A. M.D., Prof. — Instituto de Med. Exper., Av. Irarrazaval 

 849. SANTIAGO, Chile, S. America 



LISON, L. Prof. — Fac. de Med. de Ribeirao Preto, Univ. de Sao Paulo, 

 SAO PAULO, Bresil 



LIU, C. N. B.S., Ph.D. — Dept of Anat.. School of Med.. Univ. of Penn- 

 sylvania, PHILADELPHIA 4. Pa, U.S.A. 



LOBBECKE, E.-A. — Institut fur Entwicklungsphysiologie, Univ. zu Koln. 

 Gyrhofstr. 17. KoLN-LINDENTHAL, Deutschland 

 a. Segmentierung des Abdomen bei der Neubildung wahrend der Meta- 

 morphose. Drosophila melanogaster (Diptera) 

 h. Segmentierungs- und Determinationsvorgange der Beinentwicklung. 

 Drosophila melanogaster (Diptera) 



LOEWENTHAL, Miss L. A. A.B., A.M., Ph.D. — Dept of Zool., Univ. 

 of Michigan, ANN ARBOR, Mich., U.S.A. 

 a. Histological and histochemical study on homozygous Creeper embryos. 

 Gallus domesticus (Aves) 



LONG, W. N. — Dept of Embryol., Carnegie Inst, of Washington, Wolfe 

 and Madison Sts, BALTIMORE 5, Md, U.S.A. 

 a. Determinations of blood, amniotic and intervillous space pressures 

 throughout pregnancy. Macaca mulatta (Primates) (in collaboration 

 with Miss E. M. RAMSEY and G. W. CORNER Jr) 



LOOSLI, R. — Zool.-vergl. Anat. Inst., Naturw. Fak., Univ. Zurich, Kunst- 

 lergasse 16, ZttRICH 6, Schweiz 



LOPASHOV. G. V. Dr Biol.Sci., F.I.I.E., Prof. — Inst, of Animal Morphol. 

 of the Acad, of Sci. of the U.S.S.R., Bolshaja Kalushskaja 33, MOS- 

 COW V-71. U.S.S.R. 



a. Complex analysis of conditions of embryonic development of the parts 

 of the eye rudiment. Trituras taeniatus, T. vittatus, Ambystoma mexi- 

 canum (Urodela), Rana arvalis, R. esculenta, R. ridibunda, Bufo viridis, 

 Pelobates fuscus (Anura) 



b. Analysis of significance of intracellular components and of the compo- 

 sition of the medium on the development of embryonic cells (ectoderm, 

 neural plate, eye rudiment). Ambystoma mexicanum (Urodela), Rana 

 arvalis, R. ridibunda etc. (Anura), Misgurnus fossilis (Teleostei) 



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