scHMECKEBiER.] POWELL, AND "WHEELEB SURVEYS. 69 



Altitudes, determination of, methods of H, Ann 10, pp 299-303 



in Black Hills BH, pp 551-553 



in Colorado H, Ann 7, 



pp 667-669, 678-681; H, Ann 8, pp 429-433, 

 441-442; H, Bull, vol i, ser i. No 2, pp 75-77 



Sangre de Cristo Range H, Ann 9, pp 299-300 



in Dakota, Minnesota, and Nebraska H, Ann 6, pp 286-297 



in Idaho, Wyoming, and Uteh H, Ann 6, pp 799-802 



in Yellowstone Park H, Ann 12, ii, pp 457^63 



list of. . W, 1878, pp 68-78; W, Vnd 16, pp 121-261 ; H, Bull, vol v. No 3, pp 441-470 



of datum points on the Great Lakes and in the Eocky Mountains H, Ann 7, 



pp 629-659 



west of Mississippi River H, Miscl 1 



west of one hundredth meridian W, ii, pp 556-566 



Aium, analysis of, from Utah, Benada Peak, vicinity of K, ii, p 424 



Amargosa mines, California, notes on W, 1871, p 52 



American aborigines, houses and house life of Eth, iv 



(See, also. Ethnology and archaeology.) 



Amulets, cranial, and prehistoric trephining Eth, v 



(See, also. Ethnology and archaeology.) 



Amyzon beds, vertebrata of.. H, Mon in, pp 742-757 



Amyzon shales, wading bird from : H, Bull, vol vi. No 1, pp 83-85 



Analyses. (See name of substance. ) 

 Ancient art. (See Art, ancient.) 

 Ancient ruins. (See Ruins, ancient.) 



Andesite, analysis of, from Cziffar K, vi, p 124 



analysis of, from Germany, Siebengebirge K, vi, p 124 



from Hungary, Macska and Tokay K, vi, p 124 



from Italy, Monte Sieva K, vi, p 124 



from Java, Gunung Patna K, vi, p 124 



from Nevada, Comstock lode K, in, p 90 



Gold Hill Peak K, vi, p 123 



Pappoose Peak region K, ii, p 582 



Wachoe Mountains K, i, p 576; K, ii, p 477 



Washoe, Cortez Mountains, and Palisade Canyon K, i, p 576 



from Utah, Cedar Mountains K, i, p 576; K, ii, p 464 



Grass Valley W, in, p 650 



of Colorado, occurrence and character of H, Ann 10, pp 213-214 



of Nevada, Washoe district K, in, pp 30-33 



Andesite and propylite, characteristics of .HP, pp 108-110 



Animals, organization of, influence of external conditions of life upon . . .H, Ann 12, 



I, pp 473-514 



Animas region, Colorado, physical features of W, 1876, pp 100-102 



Antelope district, Nevada, notes on W, 1871, p 39 



Antelope Hills, Nevada, geology of K, n, pp 483-486 



Aphididse of the United States, notes on, with descriptions of species occuring 



west of the Mississippi River H, Bull, vol v. No 1, pp 1-32 



(See, also, Invertebrates.) 



Apishpa Creek, Colorado, geology near H, Ann 3, p 53; H, Ann 1-3, p 153 



Appalachian Mountains, elevations in H, Miscl 1 (4th ed), pp U2-116 



Aquarius Plateau, Utah, geology of HP, pp 284-298 



Aqui Mountains, Utah, geology of K, n, pp 456-460 



Arachnida, description of new H, Ann 6, p 740 



(See, also. Invertebrates.) 



