Weiss 94 Weng 



a. Fate of embryonic cells after dissociation and reinjection into embryos. 

 Gallus domesticus (Aves) (in collaboration with G. ANDRES) 



b. Mitogcnic stimulation of epidermis by fragments of nervous system. 

 (Urodela) (in collaboration with Miss J. OVERTON) 



c. Cytological and electronmicroscopic studies on embryonic induction. 

 Gallus domesticus (Aves) (in collaboration with D. McCULLOCH and 

 R. PETZOLD) 



d. Embryonic effects of organ-specific antibodies combined with radioactive 

 tracers. Gallus domesticus (Aves) (in collaboration with R. PETZOLD) 



e. Fate of tissue culture cells introduced into embryos after prolonged 

 cultivation in vitro. Gallus domesticus (Aves) (in collaboration with 

 Miss I. FISCHER) 



f. Development of intrinsic functional differences among brain parts tested 

 by larval deplantation. (Amphibia) 



g. Organ-specific effects of immune bodies on embryonic growth and dif- 

 rerentiation. 



h. Effects of organ-specific substances of the embryo on growth and dif- 

 ferentiation in vitro. 

 j. Electronmicroscopic studies of pigment development. 

 k. Electronmicroscopic studies on notochord regeneration. 

 1. Development of concentric fibrils in longitudinal muscle fibers. (Uro- 

 dela) (in collaboration with R. JAMES) 

 WEISZ. P. B. B.Sc. M.Sc, Ph.D. — Arnold Biol. Lab.. Brown Univ., 

 PROVIDENCE 12, R.I.. U.S.A. 

 a. Study of morphogenesis. Stentor and Blepharisma (Ciliata) 

 h. Study of self-reproducing organelles. (Ciliata) 

 WEL. W. H. V. d. Med. Drs — Anat.-Embryol. Lab. of the Univ., Fac. 

 of Med., Wassenaarseweg, Boerhaavekwartier, LEIDEN, Holland, 

 a. Development of the circulatory system. Homo, Mus rattus, Cavia, Bos 

 taurus ? (Mammalia) 

 WELLER, E. — Dept of Zool., Univ. of Cahfornia, LOS ANGELES 24, 

 Cal., U.S.A. 

 a. Studies of the lipid in the serum of the developing embryo. Gallus 

 domesticus (Aves) (in collaboration with A. M. SCHECHTMAN) 

 WELLS, L. J. Ph.D., Prof. — Dept of Anat., School of Med., Univ. of 

 Minnesota, MINNEAPOLIS 14, Minn., U.S.A. 

 a. Development of the diaphragm and pleural sacs. Homo (Primates) 

 WENDT. G. G. DrMcd. — Anat. Inst, der Univ., Robert Kochstr. 6, 

 MARBURG/Lahn, Deutschland. 

 a. Ablauf und Bedingungen embryonalen Muskelwachstum.s. Anderungen 

 des Gewichts, des Volumens und der Faser-Histochcmie wahrend des 

 Wachstums. Mus musculus (Stamm Strong A.) (Rodentia) 

 WENGER. B. S. B.S., M.S., Ph.D. — Dept of Anat., Univ. of Kansas, 

 LAWRENCE, Kansas, U.S.A. 



a. Patterns of chemical and enzymatic development in different spinal cord 

 levels of the embryo studied by ultramicrochemical techniques. Gallus 

 domesticus (Aves) 



b. Method for staining embryos in toto with iron hematoxyhn. 



c. Fabrication of metallic instruments for embryonic operations. 

 WENGER, Mrs E. L. B.A., M.A., Ph.D. — Dept of Anat., Univ. of Kansas. 



LAWRENCE, Kansas, U.S.A. 



