48 

 Pyramiddellid mollusks — Dall, 81. 



Q 



Quaternary — Russell, 259. 



Quaternary and recent molusca of Great Basin — Call and Gilbert, 21. 



Quicksilver ores — Wendeborn, 317. 



Quicksilver mines — Todd, 293; Dennis, 88a. 



Quicksilver — Quicksilver Production in Oregon, 248. 



Quicksilver — Deniaree, 89. 



R 



Rare minerals— Lindgren, 192. 



Relation of Cascades to Sierra Nevada and Coast Range mountains — Becker, 9. 



Report of State geologist — Condon, 32. 



Report on navigation of upper Columbia River — Symons, 288. 



Review of geologic maps of United States and British Columbia — Blake, 16. 



Rhinoceridae of North America — Cope, 46. 



Rocks— Button, 128. 



Rock specimens — Diller, 102. 



Rodentia of North America, extinct — Cope, 60. 



Rodentia of American miocene — Cope, 58. 



Rodentia of North America — Cope, 57. 



Rye Valley Gold Mines— Mathez, 212a. 



S 



Sabre-tooth — Cope, 51. 



Saxointe — Diller 93. 



Saxonite with Ni. — Von Foullon, 303. 



Saxonite containing Ni. — Austen, 6. 



Secondary fossils in Oregon — Blake, 17. 



Selondont Artiodatyla — Scott, 269. 



Shasta-Chico series — Diller and Stanton, 120. 



Silification of Knoxville — Diller, 114. 



Six years on the Columbia River— Cox, R., 76. 



Soil surveys. Baker City— Whitney, M., 324. 



Soil survey of Baker City area — Jensen and Mackie, 163. 



Soil surveys, Salem — Jensen, 162. 



Soil surveys, Salem — Whitney, 324. 



Southeastern Oregon — Call and Gilbert, 21. 



Spheroidal weathering — Diller, 102. 



Status of Mesozoic floras— Ward, L. W., 307. 



Stone age — Eells, 131. 



Structural material — Darton, 86. 



Structure of Klamath Mountains — Diller, 110. 



Submerged valleys — Davidson, 85. 



Submerged trees of the Columbia River — Gilbert, 147b; Emmons, 136a; Dut- 



ton, 126a. 

 Surface geology of Southeastern Oregon— Biddle, 12. 

 Surface geology— Newberry, 233. 



T 



Tapir fossil form — Sinclair, 272. 



Tejon strata of Oregon — Clark, W. B., 25. 



Temnocyon — Everman, 135. 



Tertiary strata of the Great Basin — Cope, 53. 



Tertiary fossils — Shumard, 270, 271. 



Tertiary boundary lines — Gannett, 143. 



Tertiary beds and fossils of the Columbia — P^remont, 141. 



Tertiary revolution in topography — Diller, 97. 



The Roscburg folio — Diller, 103. 



Thomas Condon — Washburn, 313. 



