856 DEPARTMENT OF THE INTERIOR 



2 GEORGE V., A. 1912 



Page. 



Terraces 589,590,614,615 



Tobacco Plains 98 



Tonalose 537 



Torso, mountain 630 



Toscanose ' . . 287, 461 



Trachyte 400, 530, 571 



Trail batholith 346, 729, 787 



Tree-line, discussions of 616,637 



Trematospira Ill 



Trench, definition of 26 



Triassic in Skagit range 507,516 



Trigonia 488 



Trouton, F. T , 582 



Truncated alluvial cones 616 



Turner, H. W 534, 555, 726 



Turritella 85 



Two-phase convection 711 



Tyrrell, G. W 251 



U 



Ulmus columbiana .. .. 810 



protoamericana 809 



protoracemosa 809 



— speciosa 351 



Unconformities in: — 



Hozomeen range 443, 480, 504 



Midway mountains 421 



B/Ossland mountains 371 



(Selkirk range 142,279 



Skagit range 546 



Unconformity postulated above the Belt terrane 186 



between Mississippian and Beltian 114 



V 



Valhalla mountains 35 



Valvata 87 



Vancouver range 41 



Van Hise, C.R 666,726 



Vedder greenstone 507,522 



Vesicular dikes.. .- 439,464 



Vogesite 349,787 



Vogt, J. H. L 671, 753, 770 



Vulcanism, theory of 574, 707, 777 



W 



Walcott, CD 3, 65, 171, 176, 177, 179, 180, 181, 183, 184, 185, 186, 188, 189, 190, 200, 



203, 204, 649, 657. 



Walker, T. L 774 



Warren, C. H 54 



Water ton formation. . .. 50 



glacier .' 5,79 



lake 50 



Weed, W. H 86, 187, 204, 251, 718 



Weeks, F. B 200 



West Kootenay batholithic province 7 



Western geosynclinal belt 6, 196, 547,' 555, 556 



