c. Electron microscopic studies of the salivary glands. Bradysia spec. (Scia- 

 ridae, Diptera), Smittia spec. (Chironomidae, Diptera) (in collabora- 

 tion with J. JACOB) 



d. Biochemical cytology of the salivary glands. Bradysia spec. (Sciaridae, 

 Diptera), Smittia spec. (Chironomidae, Diptera) (in collaboration with 

 J.JACOB) 



e. Cytochemistry of nucleoli. Bradysia spec. (Sciaridae, Diptera), Smittia 

 spec. (Chironomidae, Diptera) (in collaboration with C. J. TANDLER) 



SJOSTRAND. F. S. M.D., Ph.D., Prof. — Dept. of Zool., Univ. of Califor- 

 nia. LOS ANGELES 24, Calif.. U.S.A. 

 a. Descriptive and biochemical molecular morphogenesis. 



SLABY, O. MUDr., RNDr.. D.Sc. Prof. — Inst, of Histol. and Embryol., 

 Fac. of Med., Charles Univ.. Karlovarska ul.48, PLZEN, Czechoslo- 

 vakia 



a. The development of the skull. (Amniota, inch Homo sapiens) 



b. The development of the limbs. (Amniota, incl. Homo sapiens) 



c. The development of the nasal cavity. (Amniota, incl. Homo sapiens) 



d. Experimental analysis of the morphogenesis of the limbs. Rattus rattus 

 (Rodentia), Homo sapiens (Primates) 



e. Experimental production of congenital defects of limbs. Rattus rattus 

 (Rodentia), Homo sapiens (Primates) 



f. Factors producing malformations. (Amniota, incl. Homo sapiens) 

 SKOWRON ( CENDRZAK ) , Mrs. A. Ph.D. — Dept. of Exper. Zool., Polish 



Acad, of Sci., ul. Kopernika 7, KRAKOW, Poland 

 a. Experimental induction of immunological tolerance in embryos and adult 

 animals. Transfer of immunological tolerance to Fi generation. Meso- 

 cricetus auratus, Mus musculus, Rattus spec. (Rodentia) (in collabora- 

 tion with Mrs. I. SPISAK (PLONKA) and J. ZABlNSKI) 

 SKOWRON, S. Ph.D., Prof. — Dept. of Biol, and Embryol., Acad, of Med., 

 and Dept. of Exper. Zool., Polish Acad, of Sci., ul. Kopernika 7, KRA- 

 KOW. Poland 



a. Properties of regeneration blastemal cells. Ambystoma mexicanum (llro- 



dela) (in collaboration with H. ROGUSKI) 



b. Stimulation of the regeneration process by blastemal tissue homogenates. 

 Ambystoma mexicanum (Urodela) (in collaboration with K. MARON 

 andK. RZEHAK) 



SKREB, N. M.D., D.Sc, M.I.I.E., Prof. — Inst, of Biol., Fac. of Med., 

 ZAGREB, Salata, Yugoslavia) 



a. Investigation on the differentiation of the embryo in the anterior chamber 

 of the eye. Rattus norvegicus albinus (Rodentia) (in collaboration with 

 Mrs. B. LEVAK (SVAJGER) 



b. Action of several antimitotics on development. Rattus norvegicus albinus 

 (Rodentia) (in collaboration with M. MOLLER) 



c. Relative growth of organs in the embryo. Rattus norvegicus albinus (Ro- 

 dentia) (in collaboration with L. HOFMAN) 



d. Metabolism of some embryonic stages. Rattus norvegicus albinus (Ro- 

 dentia) (in collaboration with D. SERMAN) 



SLADEcEK, F. RNDr., C.Sc, Prof. — Dept. of Gener. and Exp. Zool., 

 Charles Univ., Vinicna 7, PRAHA 2, Czechoslovakia 

 a. Transplantation of nuclei and cytoplasmic components. (Amphibia) (in 

 collaboration with Mrs. Z. STEFANOVA (MAZAKOVA) ) 



151 



