Lew 55 Lip 



t LEWIS, F. Th. F.LLE., A.M.. M.D., Prof. — Harvard Med. School. 25 



Shattuck Str., BOSTON 15, Mass.. U.S.A. 

 LEWIS, W. H. F.I. I.E.. Dr. Prof. (Emer.) — Wistar Inst, of Anat. and 



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



(no data received) 

 LI, Miss S. C. B.S. — Dept of Zool., Coll. of Sci., Nat. Univ. of Peking, 



Ching Shan Tung Chieh, PEIPING, China. 



(no data received over some years) 

 LIAO Y. K. B.S. — Dept of Zool., Coll. of Sci., Nat. Univ. of Peking, 



Ching Shan Tung Chieh, PEIPING, China. 



(no data received over some years) 

 LILLIE, R. S. Ph.D.. Sc.D. — Physiol. Lab.. Univ. of Chicago. CHICAGO 



37. 111., U.S.A. 



— Marine Biol. Lab., WOODS HOLE. Mass.. U.S.A. 

 a. Artificial activation of unfertilized marine eggs. Determination of physio- 

 logical (and physico-chemical) factors concerned in the change of the 



egg from the resting to the active and developing state. Asterias [orbesii 



and Arbacia punctulata ( Echinodecmata) 



(data of 1951) 

 LIMBORGH. J. van Med. Drs — Anat.-Embryol. Lab. der Rijks Univ., 



Janskerkhof 3, UTRECHT, Holland, 

 a. Origin, of the asymmetry of the gonads in bird-embryos. Anas boschas 



(Aues) 

 h. Differentiation of sex in birds. Anas boschas (Aves) 

 LINDAHL, P. E. F.I. I.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 egg. ( Echinoidea) 

 h. Changements of dehydrogenase system at fertihzation. (Echinoidea) 



c. The biochemical mechanism of the animahzation of the unfertilized 

 egg. (Echinoidea) 



d. The biochemical background for the vegetalization of the egg by Li + , 

 (Echinoidea) 



e. The physiology of ripening in spermatozoa. (Mammalia) 



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



g. The primary sex rate. (Mammalia) 



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

 Biology, Norrtullsgatan 16. STOCKHOLM Va., Sweden, 

 a. On surface reactions of the egg with special attention to phosphate- 

 metabolism. On the dehydrogenase systems of the egg. (Echinoidea) 



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

 gatan 7. LUND, Sweden, 

 a. Influence of anaesthesia on embryonic development. Mus musculus 

 (Rodentia) (team work with B. KALLfiN) 



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

 nal de Salubridad, Av. Irarrazaval 849, SANTIAGO, Chile, S. America. 



a. Abnormal ovarian differentiation due to , .hormonal imbalance" with 

 deranged gonadotrophic activity of the anterior lobe of the hypophysis. 

 Cavia cobaya (Rodentia) 



b. Abnormal differentiation of the different parts of the Wolffian body, 

 due to hormones. Cavia cobaya (Rodentia) 



