Zack 97 Zw 



a. Factors governing dentin formation. Mus musculus (Rodentia) 



b. Role of the odontoblasts in the formation of secondary dentin. Mus 

 musculus (Rodentia) 



c. Cartilage and bone formation in vitro. Homo sapiens (Primates) 

 ZACKRY D. — Dept of Pathol., Coll. of Med., Baylor Univ., 1200 M. D. 



Anderson Blvd. Texas Med. Center. HOUSTON 5, Tex.. U.S.A. 

 a. An investigation dealing with the transplantabihty of Hodgkin's 

 Disease tissue in foreign species, using growth stimulating substances 

 and modifying the donor tissue in various ways (in collaboration with 

 B. L. NEWTON and J. M. ROSE) 

 ZACWILICHOWSKA, Miss K. D.Sc. — Zool. Dept of the Jagellonian 

 Univ., KRAKOW (Cracow), St Anne 6, Poland, 

 a. Early developmental stages. Asellus aquaticus L, (Isopoda, Crustacea) 

 (this work is temporarily in abeyance) 

 ZAHND, J. P. — Inst. d'Embryol., Fac. de Med.. 1 Place de I'Hopital. 

 STRASBOURG. France, 

 a. Devcloppement du squelette. Facteurs influenqant le developpement. 

 Anas (Aves) 

 ZENKER. W. J. DrMed. — Anat. Inst, der Univ. Wien, Wahringerstr. 13, 

 WIEN IX, Oesterreich. 

 a. The prenatal and postnatal development of the Chiewitz' organ. Homo 

 sapiens (Primates) (in collaboration with HALZL) 

 ZEUTHEN, E. Dr Phil. — Lab. of Zoophysiol., Nat. Sci. Fac. Univ., of 

 Copenhagen, Juliane Mariesvej 32, COPENHAGEN P, Denmark. 



a. Study with Cartesian divers of mitotic rhythm in metabohsm during 

 cleavage period. (Echinodermata and Amphibia) (in collaboration with 

 H. HOLTER) 



b. Determination of desoxyribonucleic acid in eggs and embryos, evidence 

 of cytoplasmic desoxyribosides. (Amphibia) (in collaboration with E. 

 HOFF-JORGENSEN) 



c. Mitotic rhythm in reduced weight (weight below water) during cleavage. 

 Psammechinus microtuberculatus (Echinoidea) 



ZUCKERMAN, S. M.A., M.D., D.Sc. M.R.C.S.. L.R.C.P.. F.R.S., Prof. 



— Dept of Anat., The Med. School, Birmingham Univ., Edgbaston, 



BIRMINGHAM 15, England (U.K.) 

 a. Study of oogenetic function. (Rodentia), ( Anthropoidea) , Mustela pu- 



torius furo L. (Carnivora) 

 ZUIDWEG, M. H. J. — Anat.-Embryol. Inst., Gemeentelijke Univ. van 



Amsterdam, Mauritskade 61, AMSTERDAM O., Holland, 

 a. Quantitative development of different proteins in the embryonic eye- 

 lens. Gallus domesticus (Aves) 

 ZWILLING. E. Ph.D., Assoc. Prof. — Dept of Genet., Coll. of Agric, 



Univ. of Connecticut, Storrs Agric. Exper. Stat., STORRS, Conn., 



U.S.A. 



a. Effects of thyroxin on the embryo. Gallus domesticus (Aves) 



b. Analysis of tail development. Gallus domesticus (Aves) 



c In vitro growth of embryo femur — effect of insulin. Gallus domes- 

 ticus (Aves) 



d. Culture behavior of early embryonic tissues. Gallus domesticus (Aves) 



