b Etude experimentale de la cydopie, consequences sur le developpement cranien. Gallus 



gallus (Aves) 

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



Sts.Peres, PARIS Vie, France 

 a Placenta et annexes foetales. Homo sapiens (Primates) 

 b Malformations. Homo sapiens (Primates) 

 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, (in col- 

 laboration with Miss L. RINALDI) 

 SCHREIBER. G. Ph.D.. Prof. — Dept. de Biol. Geral. Inst, de Cienc. Biol, da U.F.M.G., 



Rua Carangola 288 - 4°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, Gastropoda), Aplysia brasiliana. Bulla striata (Ophisthobranchia, Gastropoda) 

 h Study of nuclear size and DNA content (cytophotometry) of different organs in embryo 



and larva. Ascidia nigra (Ascidiae) 

 c Study of the DNA synthesis of endometrium, myometrium and placenta (autoradiography 



and cytophotometry). Mus musculus (Rodentia) 

 SCHROEDER, P. C. Ph.D. — Dept. of Zool., V/ashington 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. studies of nucleolus formation in eleocytes and 



autoradiography of uridine metabolism. 3. possible hormonal control of fertilizin synthesis 



during oogenesis. Nereis grubei (Polychaeta) 

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

 SCHUETZ, A. W. Ph.D. — Div. of Popul. Dynamics. School of Hyg. and Publ. 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) 

 SCHULMAN. H. M. Ph.D. — Dept. of Biol.. Univ. of California. San Diego. P.O. Box 109. 



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

 a Development of erythroid tissues. 

 SCHULTZ. Miss I. Dipl.biol. — Inst, fiir Zellphysiol.. Deutsche Akad. der Wissensch. zu 



Berlin. Lindenberger Weg 70. 1115 BERLIN-Buch. East.Germany 

 SCHULTZ. R. L. Ph.D.. Prof. — Dept. of Anat., Univ. of Colorado Med. School. 4200 



E. 9th Ave.. DENVER. Colo. 80220. U.S.A. 

 SCHUMACHER. G. H. Dr.med.. Dr.med.dent., Prof. — Anat. Inst, der Univ., Gertruden- 



str. 9, 25 ROSTOCK 1, East.Germany 

 a Allometrische Organuntersuchungen und Osteogenese. Mesocricetus auratus (Rodentia) 

 h Craniogenese und Osteogenese. Larus ridibundus, Gallus domesticus (Aves) 

 c Experimentelle Untersuchungen zur Frage von Organ- und Schadelveranderungen auf 



Grund statischer Veranderungen in der Postnatalperiode (Amputation der Vorderextre- 



mitaten). Rattus norvegicus (Rodentia) 

 SCHUNZEL. G. Dr.rer.nat. — Biol. Inst.. Med. Akad., Erich-Weinertstr. 3. 3014 MAG- 

 DEBURG. East.Germany 

 SCHWAIER. Miss A. Dr. — Stadt. Museum fur Naturk., Gerberau 32, 78 FREIBURG 



i.Br.. W.Germany 

 SCHWANDER. J. — Lab. de Physiol. Gener.. Fac. des Sci., 15 Place Carnot, 54 NANCY, 



France 



(no embryological work in progress) 

 SCHWARTZ, R. J. B.S. — Dept. of Biol.. Grad. School of Arts and Sci.; Lab. of Histol. 



and Embryol., School of Dental Med.. Univ. of Pennsylvania. PHILADELPHIA, Pa. 



19104. U.S.A. 

 a Embryonic development of neural retinal tissue in relation to protein products and nucleic 



acid synthesis. Gallus domesticus (Aves) 

 SCHWARTZ, V. Dr.rer.nat.. Prof. — Zool. Inst, der Univ.. Holderlinstr. 12, 74 TUBIN- 

 GEN. W.Germany 

 SCHWEIGER. H. G. Dr.med. — Max-Planck. Inst, fur Zellbiol.. Anton-Dohrn-Weg, Post- 



fach 1009 D 294 WILHELMSHAVEN. W.Germany 

 a Biochemical aspects of nucleo-cytoplasmic interrelationships, (unicellular Algae) 

 b Autonomy of chloroplasts. (Algae) 



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