White 108 Windle 



WHITELEY, A. H. Study of the importance of the phosphorylated 

 compounds in the energetic changes accompanying activation of 

 the eggs. Strongylocentrotus purpuratus and Dendraster excentri- 

 cus. * IIIb.4. b. G. 



WICKLUND, Miss E. On fertilizability of the egg under different 

 conditions acting on sperm and eggs. Psammechinus miliaris, Stron- 

 gylocentrotus droebackiensis and Arbacia lixula. Illb. 4. G. 



WILENS, S. Vital staining of mesoderm and entoderm under the 

 hindbrain and ear. Ambly stoma punctatum. Ilia. 2b**. J. 



WILLIAMS, R. G. Studies on growth of various implanted tissues with 

 the rabbit's ear chamber technique. Ilia. 19. M. 



(in collaboration with E. R. CLARK) 



WILLIAMS, S. C. Tissue culture of young isolated neuroblasts from 

 special areas of brain, esp. cerebellum, trigeminal. Chick and Man. 

 (in collaboration with Miss M. J. HOGUE) Ula. 9. L. and M. 



Early development of human teeth. I. 8. M. 



WILLIAMS, T. W. Study of the ear by modern methods involving 



use of plastics and photographic procedure. Man. I. 10. M. 



Study of the capillary bed in various organs, making use of special 



technique to visualize the capillaires. Illustrated by sterioscopic 

 photography. Various small mammals. I. 15. M. 



WILLIER, B. H. The mechanisms whereby feather color patterns are 

 produced. 



a) Interaction of pigment cells of known genotype with feather 

 germ ("the builder" of the structural parts of the feather); 



b) Factors regulating migration of pigment cells and their growth 

 (multiplication) and differentiation (synthesis of specific me- 

 lanin granules); 



c) The role that sex and other hormones play in modifying the 

 expression of pigment cells in color feather formation. 



(Utilizing various techniques such as grafting and in vitro cultures) 

 Gallus domesticus (various breds and varieties). Ilia. 8. f. L. 



(in collaboration with Miss M. E. RAWLES and students) 



WILSON, J. W. A study of mitotic activity and other cytological 



phenomena in liver regeneration. Vertebrates. IV. 5. V. 



WINBLAD, J. Development of all systems of the toadfish in relation 



to behavior. Ilia. 2a. I. 



(in collaboration with H. C. TRACY and Th. BATTY) 

 WINDLE, W. F. Development of fiber tracts in brain of human 



embryos of 4th to 7th week. I. 9. M. 



Development of chromophil substance in central nervous system 



neurons. Guinea pig and man. I. 9. M. 



(in collaboration with A. LAVELLE) 



Regeneration in mammalian central nervous system. (Recovery 



of neurons following trauma, alterations in their internal environ- 

 ment). Cat and dog. IV. 5. M. 

 (in collaboration with J. C. LIU and other coworkers) 



Changes in pulmonary blood volume at birth and in early postnatal 



life. Guinea pig. Illb. 14. M. 



