302 INDEX. 



Thorium — Continued : Page 



Alkyls 146 



Compounds with certain Sulphonic Acid Salts 148 



Inactive, Extraction of 142 



Metallic, Preparation of 139 



New Method for showing Complexity 144 



On the Cobalt-amines of the Components of 143 



Sulphate in Solution I45 



Tilhnghast, J. A 168 



Tingle, J. Bishop 49 



Investigation of Derivations of Camphor and Allied Bodies 157 



Publication by 49 



Tittmann, O. H 267, 268 



Tower, W. L 19, 26, 89 



Tower, Walter Sheldon 164 



Tower, William W., Investigations by 286 



Trans-Caspian Archeological Expedition 55 



Trustees, Annual Meeting of Board 11,12 



Tschermak, E- E., Papers on Experimental Evolution published by 107 



Tucker, R. H 83 



Publication bj' 49 



Tucson, Botanical Laboratory at 126 



Tunell, G. G 164 



Upton, G. B., Publication by 49 



Upton, Winslow 59 



Usher, R.J 164 



Vail, A. M 42,98 



Van Orstrand, C. E 223 



Variability in Plants 88 



Walcott, Charles D. : 



Resignation as Secretary of Board of Trustees 11 



Elected Member of Executive Committee 12 



Wallace, L. B., Investigation at Woods Hole 289 



Wallis, W. F 272 



Walters, Charles H : 90 



Ward, William H., On Study of Oriental Art recorded on Seals 55 



Washburn, Edward W 154 



Washington, Henry S., Chemical Investigation of Igneous Rocks 158 



Watts, Oliver P 248 



Weeks, F. B 86 



Wells, George Frederick 161 



Wells, Roger Clark 42, 48, 49, 155 



West, Andrew F 54 



Weston, N. A '. 168 



Wheeler, James R 54 



Whish, John D. 90 



White, W. P. , Publication by 43. 49 



Whitehead, John B 20, 49 



Research Assistant 41 



Study of Magnetic Effect of Electric Displacement 255 



Whitney, D. D., Investigation at Woods Hole 289 



Whitney, P. C 268 



Whittlesey, W. L 166 



Wieland, G. R 19, 26 



R esearches on Existing and Fossil Cycads 241 



Publication by 49, 50 



Wilczynski, E. J .... .*...'.'.'.*......*. '50 



Publication by 50 



Research Assistant 41 



Wilgus, Horace L 166 



Willcox, Walter F !..!!!..................'.'!.!..*! 160 



Publication by [[ 50 



Williams, Ira A ..',....'................ 163 



