SCHOLL, G. Dr.rer.nat. — I. Zool. Inst., Friedrich-Alexander Univ., Universitatsstr. 19, 



852 ERLANGEN, W.Germany 

 a Development. Limulus polyphemus (Xiphosura) 

 SCHOONEVELD, H. Ph.D. — Lab. of Entomol., Agric. Univ., Binnenhaven 7, P.O.B. 62, 



WAGENINGEN, Netherlands 

 a Influence of juvenile hormones on embryology, morphogenesis, metamorphosis and 



reproduction and their use as possible insecticides. Various spp. (Insecta) 

 b Elucidation of the nature and physiological significance of various neurosecretory 



hormones. Leptinotarsa decemlineata (Coleoptera) 

 SCHOTTfi, O. E. Ph.D., Prof.(Emer.) — Dept. of Biol., Amherst Coll., AMHERST, Mass. 



01002, U.S.A. • 



SCHOUTEN, A. A. Med.drs. — Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 



61, AMSTERDAM-O., Netherlands 

 a Early differentiation of the endoderm. Mus musculus (Rodentia) (with C. D. A. VER- 



WOERD and C. G van OOSTROM) 

 SCHOUTEN, S. C. M. Drs. — Genet. Inst., Univ. of Utrecht, Opaalweg 20, UTRECHT, 



Netherlands 

 a Development of quantitative characters. Drosophila melanogaster (Diptera) 

 SCHOWING, J. Dr.es Sci., Prof. — Inst, de Biol. Anim., Fac. des Sci., Univ. de Fribourg, 



1700 FRIBOURG, Switzerland 

 a Skull morphogenesis and cephalic induction. Gallus gallus (Aves) 



b Interspecific associations between various organs. Gallus gallus, Coturnix spec. (Aves) 

 c Teratogenesis. Gallus gallus (Aves) 

 SCHRAMM, B. Dr.en Med., Prof. — Lab. d'Histol.-Embryol. B, Fac. de Med., 45 rue des 



Sts. Peres, 75 PARIS Vie, France 

 SCHREIBER, B. Prof. — 1st. di Zool, Univ. di Parma, Via Universita 12, 43100 PARMA, 



Italy • 



a Experimental morphology of bone induction and inhibitory action of thalidomide. Mus 



musculus, Rattus spec. (Rodentia) (with L. RINALDI) 

 SCHREIBER, G. Ph.D., Prof. — Dept. of Gen. Biol., Inst, of Biol. Sci., Fed. Univ. of Minas 



Gerais, Rua Carangola 288 - 4 c andar, C.P. 253, BELO HORIZONTE, M.G, Brazil 

 a Relations between DNA and nuclear size (non-histonic proteins) among specialized tissues 



of adult, embryonic tissues, and germinal line. Biomphalaria (— Australorbis) glabrata 



(Pulmonata) , Aplysia brasiliana. Bulla striata (Ophisthobranchia, Gastropoda) 

 b Nuclear size and DNA content (cytophotometry) of different organs in embryo and larva. 



Ascidia nigra (Ascidiacea) 

 c Comparison between somatic and germinal chromosomes. Parascaris equorum (Nematoda) 

 SCHROEDER, P. C. Ph.D. — Dept. of Zool., Coll. of Sci. and Arts, Washington State 



Univ., PULLMAN, Wash. 99163, U.S.A. 

 a Oogenesis and its hormonal control: 1. in vitro study of possible material transfer 



from coelomocytes to coelomic oocytes; 2. nucleolus formation in eleocytes and auto- 

 radiography of uridine metabolism; 3. possible hormonal control of fertilizin synthesis. 



Nereis gcubei (Polychaeta) 

 SCHROEDER, Th. E. Dr. — Dept. of Anat., Sch. of Med., Stanford Univ., STANFORD, 



Calif. 94305, U.S.A. • 



SCHRYVER, H. F. Ph.D., D.V.M., Prof. — Dept. of Large Anim. Med., Equine Research 



Program, New York State Vet. Coll., Cornell Univ., ITHACA, N.Y. 14850, U.S.A. 

 a Morphologic and biochemical aspects of skeletal development of the early embryo in 



organ culture. (Mammalia) 

 b Studies on chondrocyte hypertrophy including influences on hypertrophy and fate of 



hypertrophic cells. (Mammalia) 

 c Calcium metabolism in development. (Mammalia) 



SCHUBIGER, G. Ph.D. — Developm. Biol. Lab. and Center for Pathobiol., Univ. of Califor- 

 nia, IRVINE, Calif. 92664, U.S.A. 

 a Analysis of mutants with defective endocrine systems. Drosophila melanogaster (Diptera) 

 b Developmental capacities of imaginal discs and embryos. Same species as a 

 SCHUBIGER (STAUB), Mrs. M. Ph.D. — Developm. Biol. Lab. and Center for Pathobiol., 



Univ. of California, IRVINE, Calif. 92664, U.S.A. 

 a Analysis of chemically induced temperature sensitive mutants effecting late larval, prepupal, 



and pupal stages. Drosophila melanogaster (Diptera) 

 SCHUETZ, A. W. Ph.D. — Dept. of Popul. Dynamics, Sch. of Hyg. and Public Health, 



Johns Hopkins Univ., 615 N.Wolfe St., BALTIMORE, Md. 21205, U.S.A. 

 a Control and secretion of gonadotrophic hormones. (Mammalia) 

 b Gonadal steroidogenesis. (Amphibia; Mammalia) 

 c Testis differentiation and spermatogenesis. (Mammalia) 

 d Oocyte maturation. (Asteroidea; Amphibia; Mammalia) 

 e Membrane structure and function. (Asteroidea; Amphibia) 

 f Protein synthesis in oocytes. (Asteroidea; Amphibia; Mammalia) 



161 



