Lin 56 Liu 



LINDAHL, P. E. Fil. Dr, Prof. — Inst, for Zoophysiol., Fac. of Mat.-Nat. 

 Sci., Villavagen 9, UPPSALA, Sweden. 



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

 developing sea urchin egg. (Echinodermata) 



b. Changements of dehydrogenase system at fertilization of the sea urchin 

 egg. (Echinodermata) 



c. The biochemical mechanism of the animalization of the unfertilized sea 

 urchin egg. (Echinodermata) 



d. The biochemical back ground for the vegetalization of the sea urchin 

 egg by Li + . (Echinodermata) 



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

 Biol.. Norrtullsgatan 16. STOCKHOLM 23, Sweden, 

 a. On surface reactions of the sea urchin egg with special attention to 

 phosphate-metabolism. On the dehydrogenase systems of the sea urchin 

 egg. (Echinoderms) 



LINDVALL, S. Engineer — Wenner-Grens Inst, for exper. Biol., Norrtulls- 

 gatan 16, STOCKHOLM 23, Sweden, 

 a. Studies on the proteins of unfertilized — and the first stages of fertilized 

 sea urchin eggs. (Echinoderms) 



LIPSCHUTZ, A. M.D., Prof. — Dept de Med. Exper. del Servicio Nacional 

 de Salubridad, Av. Irarrazaval 849, SANTIAGO, Chile, South America. 



a. Hormonal interrelations between ovary and hypophysis. Ovarian grafts 

 in the spleen. Cavia cob. (Mammalia) (in collaboration with R. 

 IGLESIAS, S. BRUZZONE, Miss E. MARDONES and Miss M. 

 BARAKONA) 



b. Influence of steroids on the gonadotrophic function of the hypophysis; 

 and on the follicular development of the ovary. Ovarian grafts in the 

 spleen; with the simultaneous action of steroids absorbed from beneath 

 the skin, or absorbed from the spleen; and other devices. Cavia cob. 

 (Mammalia) (in collaboration with R. IGLESIAS, S. BRUZZONE, 

 Miss E. MARDONES and Miss M. BARAKONA) 



LISON, L. — Lab. d'Hist, Fac. de Med. de l'Univ., 97, Rue aux Laines, 

 BRUXELLES, Belgique. 

 a. Photometric quantitative determinations of desoxyribonucleic acid 

 (D.N. A.) in resting cells, mitosis, spermatogenesis and development. 

 (Vertebrates) fin collaboration with J. J. PASTEELS) 

 LITTLE, C. C. Sc.Dr, Prof. — Jackson Memorial Lab., Box 558, BAR 

 HARBOR, Me., U.S.A. 

 a. Studies on the form and function of ovaries which have been grafted 

 into spleens of castrates and subsequently retransplanted into normal 

 position within the ovarian capsule of a normal mouse. Offspring of 

 these ovaries are examined for abnormalities which may be correlated 

 with the time the graft remained in the spleen. Mus musculus (Mam- 

 malia) (in collaboration with Miss K. P. HUMMEL) 

 LIU J C. B.S., Ph.D., Assoc. — Dept of Anat., School of Med., Univ. 

 ' of Pennsylvania, PHILADELPHIA 4, Pa, U.S.A. 

 a. Regeneration in mammalian central nervous system. (Recovery of neurons 

 following trauma, alteration in their internal environment). Car and dog 

 (Mammals) (in collaboration with W. F. WINDLE and several other 

 coworkers) 



