Waechter 93 Web 



a. Determinationsvorgange in der Gastrula und Neurula von Triton. (Am- 

 phibien) (gemeinsam mit O. MANGOLD) 



b. Verhalten embryonaler Zellen im erwachsenen Wirt. Triton (Am- 

 phibien) 



WALANDER, A. Med. lie. — Tornblad-Inst. of comp. Embryol., Anat. 

 Dept of the Univ. of Lund, LUND, Sweden, 

 a. Prenatal development of the epithelial primordium of the larynx. Rat 

 (Mammals) 

 WALKER, P. M. B. B.A. — M.R.C. Biophysics Res. Unit, King's Coll., 

 Strand. LONDON W.C. 2, England, 

 a. Cytochemistry of cells growing in tissue culture, (including observations 

 with an ultra-violet microscope). (Aves and Mammalia) (in collaboration 

 with H. G. DAVIES) 

 WALLACE, D. R. J. B.Sc. — Dept of Zool.. Univ. of Edinburgh, West 

 Mains Rd, EDINBURGH 9, Scotland, 

 a. Growth and differentiation of acarine hypopi. (Arachnida) 

 WALLMANN, Miss S. B.S. — Dept of Zool., Univ. of Chicago, CHI- 

 CAGO 37, 111., U.S.A. 

 a. Development and growth of amphibian lung, (under direction of P. A. 

 WEISS) 

 WANG Y. T. B.S. — Dept of Zool., Coll. of Sci., Nat. Univ. of Peking, 

 Ching Shan Tung Chieh, PEIPING, China. 



a. Mit Hilfe der Exstirpation des Entoderms in Neurula-stadium und der 

 Defektsetzung in der Seitenplatte einer Spatgastrula und Friihneurula 

 soil die Entstehung der Geschlechtszellen studiert werden. Rana nigro- 

 maculata (Amphibia) 



b. Der Zeitpunkt der Determination und der Auswanderung der Ge- 

 schlechtszellen werden mit der Wiederholung der oben genannten Ver- 

 suchen in verschiedenen Entwicklungsstadien zum feststellen versucht. 

 Rana nigromaculata (Amphibia) 



WASHINGTON, Miss D. M.S. — Dept of Zool., Univ. of Chicago, 



CHICAGO 37, 111., U.S.A. 

 a. Factors responsible for degeneration of the mesonephros in birds. Gallus 



domesticus (under direction of P. A. WEISS) 

 WATTERSON, R. L. Ph.D. — Cresap Biol. Lab., Northwestern Univ., 



EVANSTON, 111., U.S.A. 



a. The paired primordia of the avian glycogen body as revealed by glycogen- 

 specific stains. Gallus domesticus (Aves) 



b. The production of twin glycogen bodies by mechanically preventing 

 fusion of the paired primordia. Gallus domesticus (Aves) 



c. Effects of extirpation of the glycogen body in posthatching stages. 

 Gallus domesticus (Aves) 



d. Quantitative analysis of the glycogen content of the glycogen body of 

 the chick from hatching to adult stages. Gallus domesticus (Aves) 



e. Factors which initiate development of — and control the size of the 

 chick glycogen body. Gallus domesticus (Aves) 



f. Effects of insulin injections upon development of the glycogen body. 

 Gallus domesticus (Aves) 



WEBER, A. Prof. (Emer.) — Lab. de Neurohistol., Inst. d'Anat., ficole 

 de Med., 20, Rue ficole de Med., GENfiVE, Suisse, 

 (no data received over this year) 



