Lindahl 58 Los 



b. The biochemical mechanism of the animahzation of the unfertiHzed egg. 

 (Echinoidca) , r -^ 



c. The biochemical background for the vegetahzation of the egg by Li^ . 

 (Echinoidca) 



d. The psysiology of ripening in spermatozoa. (Mammalia) 



e. The mechanism of agglutination of spermatozoa. (Mammalia) 



f. The primary sex rate. (Mammalia) 



g. Somatic reduction divisions in developing eggs. (Echinoidea) 

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



Biology. Norrtullsgatan 16. STOCKHOLM Va.. Sweden 



(no data received on Nov. 1-', 1953) 

 LINDSKOG. B. Med.kand. — Tornblad-Inst. of comp. Embryol.. Biskops- 



gatan 7. LUND. Sweden 



(no data received on Nov. 1", 1953) 

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



Nacional de Salubridad. Av. Irarrazaval 849. SANTIAGO. Chile. 



S. America 



(no data received on Nov. 1'', 1953) 

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



Bresil 

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



HARBOR. Me. U.S.A. 



(no data received over some years) 

 LITTRELL. J. L. Dr — Baxter Laboratories. MORTON GROVE, 111. 



U.S.A. 



a. Factors influencing regeneration of nerve fibers in the central nervous 

 system of adult animals. Felis domestica (Carnivora) and (Anthro- 

 poidea) (in collaboration with W. F. WINDLE and E. G. STUART) 



b. Growth and regeneration of the severed spinal cord in embryos. Gallus 

 domesticus (Aves) (in collaboration with W. F. WINDLE and E. G. 

 STUART) 



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

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



a. Restoration of the intrinsic neurons following damage. 



b. Fate of cells of Clarke's nucleus following axon section. Felis domestica 

 (Carnivora) 



LOECHER. Miss E. Cand.rer.nat. — Zool. Inst, der Univ.. Katharinenstr. 



20. FREIBURG i. Brsg., Deutschland 

 a. Keimblatterbildung und Differenzierungsleistungen in isolierten Eiteilen. 



Apis mcllifica (Ilymcnoptcra) (gemeinsam mit M. SCHNETTER) 

 LOMBARD. G. L. M.Sc. (Pret.). Ph.D. (Utrecht) — Dept of Zool.. Fac. 



of Sci.. Univ. of Pretoria. PRETORIA. S. Africa 



a. Morphogenesis with special reference to the pectoral girdle. Chryscmys 

 (Cryptodira. Testudinata) 



b. Further investigation into the secondary outgrowths in damaged em- 

 bryos. Xenopus laevis (Anura) 



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

 Wassenaarseweg, Boerhaavekwartier. LEIDEN, Holland 

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

 Animalia (in collaboration with J. DANKMEIJER) 



