Lcp-Lop 



LEPORI. N. G. Prof. — 1st. di Zool. e Anat. comp. deH'Univ., Via A. Volta 



4, PISA. Italia 

 a. Development of the gonads. (Amphibia) 

 LERMA. B. de Dr Sci. Nat.Fis.. Prof. — 1st. di Zool.. Univ. di Bari. BARI. 



Italia 

 LEROY. P. J. M. Dr es Sci. — Lab. d'Histophysiol.. Coll. dc France, 



Place Marcelin Berthelot. PARIS Ve. France 

 a. Dcveloppement et physiologic des surrenales. Gallus spec. Anas spec. 



(Arcs) 

 LEUSSINK. }. A. B.Sc. — Hubrecht Lab.. Intern. Embryol. Inst.. Janskerk- 



hof 2. UTRECHT, Holland 

 LEVAK. Miss B. M.Sc. — Inst, de Biol.. Fac. de Med.. Salata, ZAGREB. 



Yougoslavie 

 a. Experimental studies on early development. 1. Intrauterine injections of 



isotonic solutions of LiCl. 2. Transplantation of the blastocyst in different 



transfer media (with LiCl). Rattus norvegicus albinus (Rodentia) 



(in collaboration with N. SKREB) 

 LEVER, J. Dr Phil.. Prof. — Zool. Inst., Free Calvinistic Univ., Rapenbur- 



gerstr. 128, AMSTERDAM C, Holland 



(no embryological work in progress) 

 LEVI. G. L. Dr. F.I. I.E. Prof. (Emer.) — Inst, of human Anat., Fac. of 



Med., Corso Massimo d'Azeglio 52. TORINO. Italy 



a. Recherches sur les transformations qui se produisent dans les organismes 

 et dans les tissus cultives in vitro pendant I'accroissement. (Amniota) 



b. Recherches sur les caracteres de la structure et des proprietes biologiques 

 dans les tissus cultives in vitro. (Amniota) 



LEVI-MONTALCINI. Miss R. M.D.. M.I. I.E. — Dept of Zool.. Washing- 

 ton Univ., Lindell and Skinker Av.. ST LOUIS 5, Mo., U.S.A. 



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

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



LIEDKE. Mrs. K. BEYER Ph.D. — Dept of Biochem.. Francis Delafield 

 Hospital. Coll. of Physicians & Surgeons. NEW YORK 32, N.Y., 

 U.S.A. 



a. Further studies with purine analogues in development, involving trans- 

 plantation and explantation. Rana pipiens (Anura) 



b. Electronmicroscopic studies of embryonic tissues. Rana pipiens. Am- 

 bystoma punctatum (Amphibia) 



LI6VRE. Miss Fr. Lic.es Sci.. M.A. — Lab. d'Embryol. exper. du Coll. de 

 France, et Lab. d'Embryol. et de Teratol. exper. du C.N.R.S.. 11 Place 

 Marcelin Berthelot. PARIS Ve. France 

 a. Differenciation des cellules endocrines du pancreas chez I'embryon. et 

 I'influence de I'hypophysectomie sur cette differenciation. Gallus gallus 

 (Aves) 

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

 37. 111., U.S.A. 

 (deceased) 

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

 Janskerkhof 3, UTRECHT, Holland 

 a. Origin of the asymmetry of the gonads. Anas boschas (Aves) 

 h. Sex differentiation. Anas boschas (Aves) 



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