a Change of regional effect in primary induction with special reference to molecular structure 



of inducing agent. Tciturus pyrrhogaster (Urodela), Gallus domesticus (Aves) 

 b Transformation of primarily activated ectoderm by RNA. Triturus pyrrhogaster (Urodela) 

 c Reactivity of ectoderm cells in primary induction. Same species as b 

 SATHANANTHAN, A. H. Ph.D. — Dept. of Zool., Univ. of Ceylon, COLOMBO 3, 



Ceylon 

 a Morphological, cytochemical and ultra-structural aspects of early development from second 



maturation division (oviposition) to the post-gastrula stage. Arion ater rufus (Pulmonata, 



Gastropoda) 

 b Cell movements in morphogenesis. Arion ater rufus (Pulmonata, Gastropoda) 

 SATO, G. H. Ph.D., Prof. — Dept. of Biol., Univ. of California, San Diego, P.O.Box 109, 



LA JOLLA, Calif. 92037, U.S.A. 

 a Hormone dependent cell cultures. (Mammalia) 



SATO H. D.Sc, Prof. — Dept. of Biol., Univ. of Pennsylvania, 217 Leidy Lab., PHILA- 

 DELPHIA, Pa. 19104, U.S.A. 

 SATO, T. D.Sc, D.phil.nat, Prof. (Emer.) — Biol. Inst., Fac. of Sci., Nagoya Univ., 



Chikusa-ku, NAGOYA, Japan • 



SAUER, H. W. Dr.rer.nat.habil. — Physiol. Lehrstuhl, Zool. Inst, der Univ., Berlinerstr. 15, 



69 HEIDELBERG, W.Germany • 



a The significance of radioactively labelled DNA, RNA and protein for the events of 



primary determination and primary differentiation. Acheta domesticus (Orthoptera) 

 b The regulation of growth (naturally synchronous mitoses) and differentiation (sporulation) 



of a plasmodium. The possibility of a sequential transcription of the genome via positive 



control mechanisms. Physarum polycephalum (Eumycetozoina) 

 SAUNDERS, J. W., Jr. Ph.D., Prof. — Dept. of Biol. Sci., State Univ. of New York, 1400 



Washington Ave., ALBANY, N.Y. 12203, U.S.A. • 



a The role of ectoderm in limb development. Gallus domesticus (Aves) 

 b Factors affecting tract-specificity in embryonic feather areas. Same species as a 

 c Ectoderm-mesoderm interactions in limb formation. Same species a as 

 d Cellular deaths in morphogenesis. Gallus domesticus (Aves), Campanularia flexuosa 



(Hydrozoa) 

 e Origin of electrical communication between blastomeres. Echinarachnius parma (Echinoidea) 

 SAUSSEY, M. Dr.es Sci. — Lab. d'Embryol., Unite de Sci., Univ. de Caen, 14 CAEN, 



France 

 a Regeneration, sexuality and diapause. Allolobophora icterica, A. spp. (Oligochaeta) 

 SAUZIN, Miss M. J. — Lab. de Biol. Anim., Fac. des Sci., Univ. Paris Sud, 91 ORSAY, 



France 

 a Ultrastructure du blasteme de regeneration: la differentiation des neoblastes. (Planariidae, 



Turbellaria) 

 SAWADA, N. D.Sc, Prof. — Biol. Inst., Ehime Univ., Bunkyo-cho, MATSUYAMA, 790 



Japan 

 a Mitotic apparatus. (Echinodermata; Echiuroidea) 

 b Ultrastructural changes in oogenesis and spermatogenesis. (Sipunculoidea; Echiuroidea; 



Gastropoda) 

 SAWAI, T. B.A. — Embryol. Sect, Biol. Dept., Tokyo Metropolitan Univ., 2-1-1 chome, 



Fukazawa-machi, Setagaya-ku, TOKYO 158, Japan 

 a Studies of cleavage. Triturus pyrrhogaster (Urodela) 

 SAXEN, L. O. M.D., Phil.lic, Prof. — Lab. of Exper. Embryol., III. Dept. of Pathol., Univ. 



of Helsinki, Haartmaninkatu 3, HELSINKI 29, Finland • 



a Mechanism of primary induction. Triturus spec. (Urodela) (with S. I. TOIVONEN, 



Dept. of Zool.) 

 b Mechanism of kidney tubulogenesis. Mus musculus (Rodentia) (with J. J. WARTIO- 



VAARA and others) 

 c Drug-induced teratogenesis in vitro. Mus musculus (Rodentia) (with A. LAHTI 



and I. KAITILA) 

 d Virus-induced abnormalities in embryonic development. Homo sapiens (Primates) (with 



O. J. KOSKIMIES, Dept. of Zool.) 

 e Virus-induced cataract. Gallus gallus (Aves) (with M. JAASKELAINEN) 

 SAXOD, R. Lic.es Sci. — Lab. de Zool., Inst, de Rech. Biol., Univ. Scient. et Med. de 



Grenoble, Cedex 53, 38 GRENOBLE, France 

 a Experiments on the differentiation of the cutaneous sensory corpuscles. Gallus domesticus. 



Anas boschas (Aves) 

 b Herbst's and Grandry's cutaneous sensory corpuscles: 1. origin; 2. electron microscopy of 



cholinesterases. Anas boschas, Gallus domesticus, Coturnix c. japonica (Aves) 

 c Effects of x-rays on the innervation of the skin. Gallus domesticus (Aves) 

 SAZHINA, Miss M. V. Cand.biol.sci. — Phenogenet. Lab., Inst, of Gen. Genet., Acad, of 



Sci. of the U.S.S.R., Profsojuznaya St. 7 (1), MOSCOW B-133, U.S.S.R. 

 a Developmental study of mutant gene effects on cell proliferation. Mus musculus (Rodentia) 



158 



