Liotti-Lut 



a. Sviluppo di meristemi radicali in esperienze di centrifugazione. Vicia faba 

 (Leguminosae) 



b. Influenza del CoCl 2 sulla mortalita da raggi X. Bufo vulgaris larvae 

 (Anura) 



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



SAO PAULO, Bresil 

 LISOWSKI, F. P. L.R.C.P., L.R.C.S.I., L.M. — Dept. of Anat, The Med. 



School, Birmingham Univ., Edgbaston, BIRMINGHAM 15, England 



a. Experimental investigation of upright posture and growth. (Rodentia) 



b. Comparative study of growth of foot. (Primates) 



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. Dr.rer.nat. — Inst, fur Entwicklungsphysiologie, Univ. 

 zu Koln, Gyrhofstr. 17. K5LN-LINDENTHAL, Deutschland 



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

 phose. Drosophila melanogaster (Diptera) 



b. Segmentierungs- und Determinationsvorgange der Beinentwicklung. Dro- 

 sophila melanogaster (Diptera), Periplaneta americana (Orthoptera) 



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



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

 LOJDA, Z. MUDr. — Embryolog. ustav lekafske fak. Univ. Karlovy, Al- 



bertov 4, PRAHA II, Czechoslovakia 

 a. Histochemistry in embryology. Homo sapiens (Primates) 

 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.) 

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



of the Acad, of Sci. of the U.S.S.R., Lenin Avenue 33, MOSCOW 



V-71, U.S.S.R. 



a. Action of homogenate fractions from different organs and their rudi- 

 ments, and of some complex milieus on the development of embryonic 

 cells (gastrula, ectoderm, neural plate, eye vesicle). Rana arvalis, R. 

 temporaria, R. ridibunda, Xenopus laevis (Anura), Amby stoma mexi- 

 canum (Urodela) 



b. Introduction of intracellular particles from different organs and their 

 rudiments into embryonic cells (gastrula ectoderm, neural plate). Rana 

 arvalis, R. temporaria, R. ridibunda, Xenopus laevis (Anura) 



c. Transplantation of nuclei from the stages of ovogenesis to activated eggs 

 and their fragments. Rana arvalis, R. temporaria, R. ridibunda, Xenopus 

 laevis (Anura), Amby stoma mexicanum, Triturus taeniatus (Urodela), 

 Misgurnus fossilis (Teleostei) 



d. Cultivation of isolated germ cells and cells of early organ rudiments in 

 the eye chamber of larvae growing on different media. Rana ridibunda, 

 R. arvalis, R. temporaria, Bombina bombina, Xenopus laevis (Anura), 

 Misgurnus fossilis (Teleostei) 



LOS, J. A. Med. Dr. — Anat.-Embryol. Lab. of the Univ. of Leyden, Fac. 

 of Med., Wassenaarseweg, Boerhaavekwartier, LEIDEN, Holland 

 a. Normal and abnormal development of the heart. Homo sapiens and other 

 Animalia (in collaboration with J. DAN KM EI J ER) 



76 



