Wa 107 Whita 



WADDINGTON, C. H. Regional specificity in living and dead or- 

 ganizers. Triton alpestris. II lb. 7. J. 



Cinematographic study of morphogenetic movements. Amphibians 



and Birds. L 2a. d. J. and L. 



Transplantation of cell constituents. Triton alpestris. II lb. 2c. J. 



Developmental efforts of some genes in Drosophila melanogaster 



(Insecta). IIIc. 3. D. 



WANG. Y. T. Mit Hilfe der Exstirpation des Entoderms im Neurula- 

 stadium und der Defektsetzung in der Seitenplatte einer Spatgas- 

 trula und Fruhneurula soil die Entstehung der Geschlechtszellen 

 studiert werden. Rana nigromaculata. Ilia. 17. J. 



Der Zeitpunkt der Determination und der Auswanderung der Ge- 

 schlechtszellen werden mit der Wiederholung der oben genanntcn 

 Versuchen in verschiedenen Entwicklungsstadien zum fc^tstellen 

 versucht. Rana nigromaculata. Ilia. 17. 



WARD, Miss M. Development and reproduction in the hamster. 



I. 2a. M. 



WEBER, A. Developpement des synapses dans les centres nerveux. 

 Leur degenerescence et leur regeneration. Mammiferes (?). 



IV. 5. M. (?) 



WEDIN, B. Treatise on the head coeloms during the development of 

 lower vertebrates. (Thesis). II. 16. LV. 



Wr^GLARSKA, B. Early developmental stages of Insects. Agelastica 

 alni (Coleoptera) . I. 2a. D. 



WEISS, P. (data not yet received). 



WEISSENBERG, J. R. (data not yet received). 



WEISZ. P. B. Differentiation of cilia in Protozoa, Ciliata.; regenera- 

 tion. IV. 2. 



The role of the macronuclei. Ciliata. IIIc. lb. 



WEL, W. H. v. d. Investigations on congenital heart-malformations. 



Homo. Hid. 4. M. 



(in collaboration with J. DANKMEYER and H. A. SNELLEN) 

 WELLS, L. }. Development of the pleural sacs and diaphragm. Homo 

 sapiens. I. 16. M. 



Development of the broncho-pulmonary segments. Homo sapiens. 



(in collaboration with E. A. BOYDEN) I. 14. M. 



Functioning of the glands of internal secretion in the fetus (hypo- 

 physis, gonads, adrenals, thyroid). Rattus norvegicus albinus. 



Illb. 18. M. 



Capacity of the fetus to digest food experimentally introduced 



into the fetal stomach. Rattus norvegicus albinus. Illb. 13. g. M. 

 (in collaboration with J. F. HARTMANN) 



WENGER, E. L. Radio-active tracer study of amphibian eggs, with 

 special reference to organizer action. Illb. 7. d. J. 



(in collaboration with F. MOOG) 



Analysis of interrelations between parts of the embryonic spinal 



cord by means of defect experiments. Gallus domesticus. Ilia. 9. L. 



WESTHUIZEN, C. M. v. d. Ontogenesis of the skull of Heleophayne 

 purcelli. I- 1 1 • J- 



WHITAKER. D. (data not yet received). 



