580 INDEX 



w 



Page 



Walcott, Mrs. Mary Vaux 85 



Walcott research fund, Charles D. and Mary Vaux 82 



Walker, Ernest P., assistant director. National Zoological Park xiv, 26 



Walker, Sir Gilbert T. (Seasonal weather and its prediction) 117 



Walker, Winslow M 11, 35 



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



V/alsh, Senator David I 20 



Water, irrigation, The salinity of (Scofield) 275 



Watkins, William N xin 



Weather governed by changes in the sun's radiation (Abbot) 93 



Weather, Seasonal, and its prediction (Walker) 117 



Wenley, Archibald G., assistant, Freer Gallery of Art xiv 



Wetmore, Dr. Alexander, assistant secretary of the Institution xi, xii, 19 



What is electricity? (Heyl) 215 



White, Dr. David . 19 



Wings over the sea: Are landing places necessary for the commercial aerial 



crossing of the North Atlantic? (Bldriot) 453 



Wright, F. E. (The surface features of the moon) 169 



Y 



Yaeger & Co., William L 87 



Younger fund, Helen Walcott 82 



Z 



Zerbee fund, Frances Brinckl^ 82 



Zoological Park, National 4, 86 



library 55, 71 



report 48 



staff XIV 



O 



