596 INDEX. 



True, Frederick W. , executive curator 71 



head curator of department of biology 25 



report on department of biology by 25 



titles of papers by 147 



Tschermigite 416 



Tungus paddle 536 



Tunis, phosphates in , 373 



Twelve wineglasses 556 



Two. silver rings 559 



Tyjies of American water craft, by areas and families 526 



Uintaite 450 



Ulexite 397 



composition of 397 



Ultramarine, uses of 311 



Underwood, L. M. , examined fern groups 59 



specimens of plants sent to 61 



United States, distribution of specimens in 117 



Upham, E. P., assistant division of prehistoric archaeology 23 



title of joint paper by 148 



Uranates 402 



uraninite 402 



Uraninite 402 



analyses of 402 



composition of 402 



localities and mode of occurrence of : . . . 403 



uses of 404 



Urao 281 



U. S. Geological Survey, acquisition of Marsh collection through 8 



Uses of albertite 447 



allanite 312 



amber 456 



amblygonite 390 



arsenic 182 



arsenopyrite 189 



asbestos 303 



asphaltum 445 



barite 406 



bauxite 238 



boracite 402 



carbonite 450 



celestite 412 



cerite 314 



chalk 263 



chromite 248 



clays 344 



cobalt 189 



columl)ite 354 



corundum 227 



cryolite 215 



descloizite 390 



diamond 166 



diaspore 239 



