scHMECKEBiKR.l POWELL, AND WHKELKK SHUVEYS. 157 



Pecos River, New INIexico, nnnintain laiiircs Ijctwccn l>a Vcta I'ass and tlie 



head of, geology of U', 1 srii, pp 199-202 



Pecos Valley, New INIexico, agriculture in II, Ann 4, pp 207-208 



Pennell, INIount, I'tah, geology of H3I, pp 35-38 



Peoquop Kange, Nevada, geology of K, ii, i)p 505-512 



granite of K, i, pp 58-59 



Permian rocks of Colorado, Eagle and ( Jrand Rivers II, Ann 8, ])p 117-120 



of Texas, Batrachia and Reptilia of, some new.-.H, P>ull, vol vi. No 1, pp 79-82 



of Wj-oming, Wind River Range, vicinity of II, Ann 11, pp 78-79 



Pestles and mortars from graves in southern California .AV, vii, pp 70-92 



(See, also, Ethnology and archteology. ) 



Petrographic 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 492-494, 503-505 



thin section of, from Black Hills BH, p 528 



Phalenida3 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 in. No 1 , pp 171-185 



(See, also. Invertebrates.) 

 Physidae and I'nionidfe, fossil, collected in ^Montana in 1876, descriptions of. .H, Bull, 



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 438-441 



Pierres Mountains, Idaho, geology of H, Ann 11, pp 425-432 



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



vol IV, No 1, pp 295-297 



(See, also. Vertebrates.) 



Pinal Mountains, Arizona, mines in, notes on W, 1871, pp 56-59 



Pine, insects injuring H, Ann 10, 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 INIexico, notes on W, 1879, p 195 



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



Pipes, stone, from graves of sf)uthern California W, vii, pp 125-134 



(See, also. Ethnology and archaeology.) 

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



(See, also. Ethnology and archteology.) 



Placers in Idaho, Iowa Gulch II, Ann 11 , pp 404-405 



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



Placiere Mountains, New Mexico, geology of H, Ann 3, pp 66-68; 



H, Ann 1-3, pp 166-168 



