scHMECKEBiEK.] POWELL, AND WHEELER STJRVET8. 181 



Silica, infusorial, analysis of, from Nevada, Kawsoh Mountains K, ii, p 768 



Silliman (B.), the telluride ores of the Bed Cloud and Cold Springmines, Gold 



Hill H, Ann 7, pp 688-691 



Silurian fossils; invertebrates of Fortieth Parallel region K, i v, pp 17-25, 205-246 



invertebrates of Nevada and New Mexico W, Unci 6, pp 6-14 



of Nevada, Utah, New Mexico, and Arizona W, iv, pp 32-78 



of Southwest •- W, iv, pp 32-78 



(See, also, Invertebrates, fossil.) 



of Montana, Utah, and Wyoming H, Ann 6, pp 431^32, 463-465, 479^87 



(See, also. Vertebrates, fossil; Invertebrates, fossil. ) 



Silurian rocks of Basin Eange W, in, pp 180-186 



of Black Hills BH, pp 80-107 



of Colorado, central W, in, pp 355-361 



Eagle and Grand rivers -" H, Ann 8, pp 110-114 



northwestern H, Ann 10, p 23 



Sangre de Cristo Kange H, Ann 9, p 113 



of Idaho, Bear River Eange H, Ann 11, p 613 



of Wyoming, Sweetwater Valley H, Ann 11, pp 101-103 



Wind River Eange H, Ann 11, pp 70-73 



Silurian and Cambrian rocks of Great Basin K, i, pp 184-221 



Silver in New Mexico, Santa Fe, vicinity of W, iii, Supp, pp 403-404 



Silver Bend district, Nevada, notes on , . . W, 1871, pp 41-42 



Silver Era Peak, California, geology of W, 1878, pp 181-183 



Silver Mountain district, California, notes on W, 1878, pp 88-89 



Silver ore, treatment of, in Colorado K, in, pp 606-616 



Silver Peak and Eed Mountain districts, Nevada, notes on W, 1871, pp 48-49 



Silver and gold mines of Colorado H, Ann 3, pp 87-89; H, Ann 1-3, pp 187-189 



Silver mining in Colorado, Georgetown district K, in, pp 589-605 



in Colorado, Snake Elver region K, in, pp 617-624 



Sinter, siliceous, analysis of, from Nevada, Virginia Eange K, ii, p 826 



Sit-ka-kwan language, vocabulary of Eth, i, pp 121-133 



(See, also. Ethnology and archseology. ) 



Sioux Lake (Tertiary), extent of K, i, pp 451-454 



Sirenia, bibliography of Cete and H, Bull, vol vi. No 3, pp 399-562 



(See, also. Vertebrates.) 



Skat-kwan language, vocabulary of Eth, i, pp 121-133 



(See, also. Ethnology and archseology. ) 



Skeletons and crania collected in 1872-1874, notes on W, vii, pp 391-397 



(See, also, Ethnology and archaeology.) 



Skit-a-get language, vocabulary of Eth, i, pp 136-142 



(See, also, Ethnology and archseology.) 

 Skokomish Eeservation, Washington, Twana Indians of, customs, language, 



etc., of H, Bull, vol in, No 1, pp 57-114 



(See, also, Ethnology and archseology.) 



Skoylpeli language, vocabulary of Eth, i, pp 248-265 



(See, also. Ethnology and archseology. ) 



Skull from Chaco Canyon, New Mexico, report on H, Ann 10, pp 453-457 



(See, also. Human remains; Cranium; Ethnology and archseology.) 

 Skulls from Santa Barbara Islands, California, observations on... W, vii, pp 277-292 

 (See, also, Human remains; Cranium; Ethnology and archseology.) 



Skulls and skeletons collected in 1872-1874, notes on W, vn, pp 391-397 



(See, also, Human remains; Cranium; Ethnology and archseology.) 



Slate of Black Hills, petrography of .' BH, pp 476-483 



Slate Creek, Wyoming, geology near H, Ann 11, pp 531-532 



