SCHMECKEBIEE.] POWELL, AND WHEELER SURVEYS. 157 



Pecos River, New Mexico, mountain ranges lietvvei'u La \'eta I'asi^ and tlie 



head of, geology of _ W, 1,S7(5, pp 199-202 



Pecos ^'alley, New JFexico, agriculture in 11, Ann 4, pp 207-208 



Pennell, Jlount, I'tah, geology of WSl, pp 35-38 



Peoquop Range, Nevada, geology of K, ii, pp 505-512 



granite of K, i, pp 58-59 



Permian rocks of Colorado, Eagle and Grand Rivers H, Ann 8, pp 117-120 



of Texas, Batrachia and Rejitilia of, some new. . .H, Bull, vol vi, No 1, pp 79-82 



of Wyoming, Wind River Range, vicinity of .H, Ann 11, pp 78-79 



Pestles and mortars from graves in southern California '\V, vii, pp 70-92 



(See, also. Ethnology and archseology. ) 



Pttrographic notes on the volcanic rocks of Yellowstone Park H, Ann 12, 



II, pp 57-62 

 Petrography, microscopic, of Black Hills BH, pp 469-527 



of Fortieth Parallel region K, vi 



Petzite, analysis of, from Colorado H, Ann 10, p 148 



Phonolite of Black Hills, petrography of BH, pp 492^94, 503-505 



thin section of, from Black Hills BH, p 528 



Phalenidae of the United States, monograph on H, Mon x 



(See, also. Invertebrates.) 

 Photographs, descriptive catalogue of H, Miscl 5 (2 editions) 



of Indians, catalogue of H, Miscl 5 (Isted), pp 67-83; H, Miscl 9 



Phyllopod Crustacea of North America, monograph of H, Ann 12, i, pp 295-457 



of the West, descriptions of new H, Bull, vol iii, No 1, pp 171-185 



(See, also. Invertebrates.) 

 Physidfe and TJnionidee, fossil, collected in Montana in 1876, descriptions of. .H, Bnll, 



vol III, No 3, pp 599-602 



(See, also. Invertebrates, fossil.) 



Physiological effects of a very hot climate W, 1876, pp 328-330 



Pickerinzite, analysis of, from Colorado, Monument Park H, Ann 10, p 148 



Pierre group. (See Fort Pierre group. ) 



Pierres Hole, Idaho, geology near H, Ann 11, pp 438^41 



Pierres ^Mountains, Idaho, geology of , H, Ann 11, pp 425^32 



Pigs, solid-hoofed, apparently established in Texas, discussion of H, Bull, 



vol IV, No 1, pp 295-297 



(See, also, Vertebrates.) 



Pinal ;\Iountainp, Arizona, mines in, notes on W, 1871, pp 56-59 



Pine, insects injuring H, Ann IC, pp 527-531 



Pine timber, destruction of, in Rocky Mountains H, Ann 7, pp 538-539 



Piney Creek, Wyoming, geology near H, Ann 11, p 529 



Pinnipeds, history of North American H, Miscl 12 



(See, also. Vertebrates.) 



Pinon Range, Nevada, geology of K, ii, pp 551-564 



Pinos Altos mining district, New Mexico, notes on W, 1879, p 195 



Pioche, Nevada, astronomical determinations at W, ii, pp 75-96 



Pipes, stone, from graves of southern California W, vii, pp 125-134 



(See, also, Ethnology and archaeology.) 

 Piskwaus language, vocabulary of Eth, i, pp 249-265 



(See, also, Ethnology and archeology.) 



Placers in Idaho, Iowa Gulch H, .\nn 11, pp 404-405 



Placerville district, California, notes on W, 1878, pp 82-84 



Placiere Mountains, New Mexico, geology of H, Ann3, pp 66-68 ; 



H, Ann 1-3, pp 166-168 



