608 INDEX 



T Page 



Taylor, Frank A xi 



(The Historic American Merchant Marine Survey) 595 



Thiessen, Alfred H., Brooks, Charles F., and (The meteorology of great 



floods in the eastern United States) 325 



Tolman, Ruel P., acting director, National Collection of Fine Arts__ xi, xii, 38, 42 



Trembly, R. H., superintendent of buildings and labor, National Museum. xi 



True, Webster P., editor of the Institution ix, 120 



U 



Universe and of matter, New conceptions of the (Louis-Jaray) 129 



Unobservable, the, Science and (Dingle) 209 



V 



Vaillant, George C. (History and stratigraphy in the Valley of Mexico) 521 



Van Riper, Walker. (See D'Amour, Fred E.) 



Virus proteins, The reproduction of (Stanley) 499 



von Frisch, Prof. K. (The language of bees) 423 



W 



Walcott fund, Charles D. and Mary Vaux 122 



Walker, Ernest P., assistant director, National Zoological Park xii 



(Eyes that shine at night) 349 



Wallace, Henry A., Secretary of Agriculture (member of the Institution).. ix 



Watkins, William H xi 



Wedel, Dr. Waldo R x, 13, 22 



Weidlein, Edward R. (A world of change) 187 



Weintraub, Dr. Robert L 105 



Wenley, Archibald G., associate in research, Freer Gallery of Art xii 



Wetmore, Dr. Alexander, assistant secretary of the Institution ix, x 



12,20,24,27, 111 

 White, Philip R. ("Root-pressure" — an unappreciated force in sap move- 

 ment) 489 



Whitebread, Dr. Charles xi 



Wimperis, H. R. (The natural limits to human flight) 579 



Woodring, Henry Hines, Secretary of War (member of the Institution) ix 



World of change, A (Weidlein) 187 



Y 



Yaeger, William L 127 



Yaeger & Co., William L 127 



Younger, Helen Walcott 122 



Z 



Zerbee, Frances Brinckle 122 



Zoological Park, National 1, 5 



accessions 70 



animals in the collection, June 30, 1938 78 



director x, xii, 13, 68, 97 



report 67 



staff xii 



visitors 70 



o 



