INDEX 



717 



Palajozoic rocks, 584, 613 



Palaeozoic strata, 361, 475 



Paliurns pentangulaius, 302 



Parapholas splienoideus, 300 



Paris Peak, 637 



Parker's geological notes on T6tou Eegiou, 



323 

 Passes, clevatious of, 686 

 Pasture areas, 704 



Pasture land of Green Eiver District, 704 

 Pavilion Spring, 592 

 Peale, A. C, Report of, 509 

 Peale, Dr., 400, 410, 425, 452 

 Peale, Dr.A. C, 153 

 .Pentacrinus asteriscus, 537, 540, 579, 581, 623 



624, 626, 627 

 Pentacrinus l)eds, 624 

 Permian,78, 105, 121 

 Periuo-Carboniferous, 384 ' 

 Permo-Carbouiferous fossils, 427 

 Petrifying Springs, 593 

 Petroleum, 151 

 Fhysa, 604 

 Physa carletoni, 306 

 Physical features of Green Eiver District, 



689 

 Pierre's Basin, 323, 411, 438 

 Pierre's Mountains, 425 

 Pierre's Eiver, 324 

 Pierre's Eiver, North Fork of, 412 

 Pilot Butte, 665 

 Pine Creek, 578 

 Pinev Creek, 529 

 Placers of Tin Cup Creek, 404 

 Flacunopsis liilUardensis, 278 

 Plains of T6ton District, 326 

 Planorbis, 564, 589, 601, 602, 605, 640, 641 

 Plateaus of Green Eiver District, 513 

 Plaiycrinus, 548, 619 

 Plicafnla Inidrotlieca, 279 

 Pliocene, 112, 132, 565, 569, 571, 586, 600, 



601, 602, 603, 635, 640 

 Pliocene beds, 476 



Pliocene lakes in Bear Eiver Valley, 589 

 Pliocene marls near South Pass, 524 

 Pliocene near Georgetown, 588 

 Plymouth, 60S 



Point of Eocks, fossils from, 216 

 PoJypora, 563 

 PoiTupine Creek, 372 

 Portage, 608 

 Portneuf Canon, 597 

 Portneuf, Lower Valley of, 565 

 Portneuf Mountains, 5i3 

 Portneuf Eauge. 328, 563, 567, 607, 701 

 Portneuf Eange, Carboniferous of, 618 

 Portneuf Eiver, 513, 563 

 Portneuf, Upper Canon of, 564 

 Portneuf Valley, 696 

 Post-Cretaceous, 88, 124, 533, 629 

 Post-Cretaceous orographj"^, 632 

 Post-Tertiary sands, 464 

 Potsdam, 615 



Potsdam Group, 70, 101, 119 

 Potsdam quartzite, 417, 446, 449 

 Preuss, Mount, 514, 590, 654 

 Preuss Eange, 557, 588 

 Preuss Eange, Carboniferous of, 618 

 Preuss Eange, geology of, 589 

 Primary triangulation, 651, 655 



Primary triangulation of 1878, 655 



Priscacara pealei, 535, 639 



Priscacara b-crrafa, 535, 639 



Prodiictiis, 530, 548, 557, 577, 584, 598, 619,620 



Productus cosfatus, 563, 609, 620 



Productus multisirtains 546, 547, 619, 622 



Productus praiicn'i, 609 



Productun praitcntanus, 620 



Product uv scmhrticulatus, 610, 620 



Proetus, 548, 619 



Promontory Peak, 407 



Provo Beach, 642 



Prozoic Eocks, 66, 98 



Pteria gastrodes, 280 



Pteria parherms, 279 



Pteria prophura, 281 



Ptylodi/ctia, 548, 619 



P«^;a,531,637 



Putnam Hills, 477 



Pyramid Creek, 360, 385, 388, 405 



Pyramid Springs, 592 



PyrguUfera, 533, 631 



PyrguU/cra humerosa, 575, 582, 632 



Quaternary deposits, 440, 443, 601, 641 



Quaternary drift, 563, 587, 641 



Quaternary gravels, 405 



Quaternary lakes, 589, 601, 604, 608 



Quartzite, Ogden, 598 



Quartzites on Swan Creek, 588 



Quebec Group, 415, 417, 420, 448, 456, 469, 



567, 571, 614 

 Eailroads, 708 



Eailroads in Green Eiver District, 708 

 Ealston Creek, trap outflow in, 194 

 Eanches on Foutenelle Creek, 517 

 Eawliugs Springs, 32 

 Eawlins base-line, 651, 662 

 Eawlins Peak, 655, 662 

 Eavnolds, Capt. W. P., 323, 448 

 Eed Beds, 435, 624, 625, 629 

 Eed Creek, 549, 552. 609 

 Eed Paint Mine, 148 

 Eed Eock Gap, 565, 608, 642 

 Eed Eock Pass, 606 

 Eeport of A. C. Peale, 509 

 Eeport of A. D. Wilson, 649 

 Eeport of Henry Gannett, 673, 675 

 Eeport of Orestes St. John, 321 

 Ee])ort on primary triangulation of 1878, 



655 

 Eeport on the geological tield-wordof the 



T^tou Division, 323 

 Eeport on the geology of the Green Eiver 



District, 511 

 Eeport on the primary triangulation of 



1877 and 1878, 651 

 Eeport on triangulation of 1877 and 1878, 



6.31 

 Eesume of geological formations, 611 

 Pliomhopora, 546, 563, 619 

 PJtomJmpora lepklodendroides, 557, 609, 620 

 BkynchoncUa, 599, 620 

 Bliynclionella pusiulosa, 598, 620 

 MhynchoneUa rockymontanns, 598,620 

 PJuinclwnella uta. 609 

 Philtopltora meelii, 575, 632 

 Eichmond, 603 

 Eiver Springs, 592 

 Eock Creek, 51 4, 574 

 Eock, Independence, 31 



