470 INDEX 



Page 



Soper, C. C 132 



Spaatz, Geo. Carl 3, 124 



Spence, T. H 57 



Spenceley, F. (Comparison of propeller and reaction-propelled airplane 



performances) 429 



Stage, H. H. (Mosquito control tests from the Arctic to the Tropics) 349 



Stanton, T. W vii 



Stephenson, Robert L 75 



Sternberg, G. F 22 



Stevenson, John A vii 



Steward, Julian H 62 



Stewart, Leo L 73 



Stewart, T. Dale vi, 17 



Stirling, M. W. (Chief, Bureau of American Ethnology) viii, 53, 82 



Stout, William B viii, 3. 124 



Sunspots, Large (Nicholson) 173 



Swallen, Jason R__ vii, 13 



Svv^anton, John R viii 



(The primary centers of civilization) 367 



Swingle, W. T vii 



T 



Talbert, G. D viii 



Taylor, Frank A . vii 



Taylor, W. W., Jr vi 



Telegraphy — pony express to beam radio (Hillis) 191 



Tolman, Ruel P., Director, National Collection of Fine Arts 39,44 



Treasurer of the Institution (Nicholas W. Dorsey) v 



True, Webster P., chief, editorial division . v, 161 



Truman, Harry S., President of the United States (Presiding Officer ex 



officio of the Institution) v 



Trust Funds' Employees included under Federal retirement system 7 



Tschopik, Harry, Jr 63 



Tsunami, The, of April 1, 1946, in the Hawaiian Islands (Macdonald, 



Shepard, and Cox) 257 



Tucker, Mae W 80 



V 



Vaughan, T. W --- vii 



Vesey-FitzGerald, Brian (The senses of bats) 317 



Vice President of the United States (member of the Institution) _ — v 



Vinson, Fred M., Chief Justice of the United States (Chancellor of the 



Institution) v, viii, 2, 24 



Visitors 8 



Freer Gallery of Art 50 



National Gallery of Art 26 



National Zoological Park 91 



Vorys, John M. (regent of the Institution) v, 2 



Voth, Paul D 140 



W 



Walcott, Frederic C. (regent of the Institution) v, 2 



Walker, Egbert H vii 



