INDEX TO VOLUME 13 



579 



Page 

 Pliocene period, orogenic movements before 

 and during 30-33 



— rocks of Montana, Character and occur- 



rence of 315 



Pomperaug valley, Connecticut, Sketch map 



of Newark area of 143 



Post-Tertiary elevation of the Sierra Ne- 

 vada; H. W. Turner 540-541 



Potholes. Photograph of, catalogued 465 



Potomac group, Age of. 212-214 



, Character, occurrence, and thickness 



of 188 



, Constituent formations of 190-204 



, Dip and strike of 188 



, Fauna of 189, 192, 195, 199, 202, 212 



— — , Flora of 188, 189, 192, 195, 199, 203, 212 



, Geology of, in the middle Atlantic 



slope 187-214 



, Interpretation of the deposits of... 204-209 



, Maps showing 187, 188 



, Surface configuration of 211-212 



, Taxonomic table of 190 



Potsdam formation in Canada, Character 



and position of 518 



Pottsville conglomerate. Thickness of. 124 



— formation, Maryland, Basal contact of..... 218 



, Composition and relations of. 218 



, Connoquenessing sandstones of. 219 



, Homewood sandstone of 220 



, Mercer coals of. 219-220 



, Mount Savage fire-clay and coal 



of 219-220 



, Quakertown coal of. 219 



— , Sharon coal in 219 



sandstone in 218 



Powell, J. W., Use of term "Pacific moun- 

 tains" by 254 



Pratt, J. H., Work of. 105 



President, Election of 486 



Prince of Wales island, Mountains on 255 



Princeton University, Paleontologic re- 

 searches of museum of 102 



Proceedings of the Cordilleran section... 539-546 



Thirteenth Summer Meeting, held 



at Denver, Colorado, August 27, 1901 ; 



H. L. Fairchild, Secretary 1-16 



Fourteenth Annual Meeting, held at 



Rochester, New York, December 3 1 , 1901 , 

 and January 1 and 2,1902, including Pro- 

 ceedings of the Third Annual Meeting 

 of the Cordilleran Section, held at San 

 Francisco, December 30 and 31, 1901 ; 

 Herman Le Roy Fairchild, Secretary.. 477-566 



Prosser, C. S., Work of. 105 



Publications, Aid to Geologists by 103 



— of the Geological Society of America, In- 



formation concerning ix-xii 



Pumpelly, R., cited on rock decay 524 



Pynchon, W. EL, Photographs by, Catalog; 



of. 400, 419 



Pyroxene-andesite, Analyses of. 365 



Quakertown coal, Pottsville formation of 



Maryland, Stratigraphie position of 219 



Quantico, Va., Record of well at 210 



Quarries, Photographs of, Catalog of.... 465-466 

 Queen Charlotte islands, Carboniferous and 

 Triassic rocks of 265 



Rainbow valley, Utah, Joint veins in 521-522 



Rainprints, Photographs of catalogued 466 



Ransome, F. L., Work of 107 



Rapid creek, South Dakota, Terraces along.. 35-36 

 Raritan formation, Boundary between the 



Matawanand 203 



Patapsco and 203 



, Dip, strike, and thickness of 202-203 



— —, Distribution of 2<>3 



, Economic products of. 204 



Page 

 Raritan formation, Maps showing 187, 188 



— — , Lithologic characters of. 201-202 



, Organic remains of. 203 



, Section of 203-204 



Rathbun, Mary J., Zanthopsis cretacea de- 

 scribed by 43-44 



— , cited on age of Maria Farinha beds 47 



Recent period, Geologic formations of, in 



Tennessee, Table showing 10 



Red Bed horizon, Occurrence and character 



of. 122-123 



Red Hill, Maryland, Section of Patapsco 



formation at 200 



Redstone limestone, Monongahela forma- 

 tion of Maryland, Character and occur- 

 rence of.....". 228 



Reed, D. R., Acknowledgment to 5 



Reed, H. W., Acknowledgment to 5 



Regeneration of clastic feldspar; N. H. 



Winchell 522-525 



Register of Denver meeting 16 



Rochester meeting 539 



San Francisco meeting of Cordilleran 



section 546 



Reid, H. F., cited on geology of south- 

 eastern Alaska 254 



— ; Notes on mounts Hood and Adams and 



their glaciers [abstract] 536 



— , Photographs by, Catalog of 382-383 



— , Work of 109 



Relief maps, Photographs of, Catalog of. 466 



Report of Committee on Photographs 526 



Council 477-478 



Editor 483-485 



Librarian 485-486 



Secretary 478-481 



Treasurer 481-482 



Rice, W. N., Record of remarks by.... 521 



Richmond basin, Former extent of Newark 



system in 140 



Richardson, A., Acknowledgment to 5 



Rideau formation, Canada, Character and 



position of 518 



Ries, H., Work of 104 



Riggs, R. B., Analysis by 365 



Rio Grande do Norte, Brazil, Geology of... 96-98 



Rio Piabas, Brazil, Fossils found near 47 



Ripple marks, Photographs of, Catalog of.... 467 

 River fiats, Photographs of, Catalog of. 467 



— meanders, Photographs of, Catalog of. 467 



— terraces, Photographs of, Catalog of.. 467-468 

 Riversdale formation, Nova Scotia, Meso- 



Carboniferous age of. 533-535 



Rochester meeting, Register of 539 



Rock basins of Helen mine, Michipicoten, 



Canada; Arthur P. Coleman 293-304 



Rock Hall, Md., Record of well at 211 



Rocky mountains, Front ranges of (See 



Lewis and Livingston ranges). 

 , Geological section of, in northern 



Alaska 233-252 



Rock-inclosed basins, Origin of..... 293-295 



Rogers, H. D., name "Allegheny series" 



proposed by 220 



— — "Monongahela series" proposed 



by 226-227 



Rogers, W. B., cited on taxonomy of the 



Potomac group (table opposite) 190 



— , Kanawha black flint first described by.... 119 

 Rotation of the earth, Changes in rate of.... 53I 

 Rowley, R. R., cited on vertical range of 



fossils at Louisiana 283 



Russell, I. C, cited on geology of south- 

 eastern Alaska 254 



the Newark system 139 147 



— ; Geology of Snake River plains, Idaho' 



[abstract] 527 



— , Photographs by, Catalog of. 380, 381,' 388, 



398, 409, 413, 423, 435, 436, 437, 442 



— , Record of remarks by 530 



— , Work of ing 



