146 J. STANLEY-BROWN INDEX TO VOLUMES 1 TO 10 



Page 



Pensauken formation of New Jersey 6, 485 



a possible analogue of the Lafaj'ette 6, 488 



Percival, J. G. , cited on Connecticut geology 1, 557 



deformation in Wisconsin 5, 25, 31 



trap-sheets , 2, 417 



— , Reference to geologic work by 10, 363 



Pereira, a. B., quoted on Brazilian temperature 7, 286 



Periarchus alius redefined 3, 105 



Permian age of Kansas gypsum 8, 240 



— . Fossil plants of the 3, 117 ; 5, 109 



— rocks of Kansas 6, 29 



— of Texas 6, 376 



, Discussion of the 3, 459 



— , Triassic, and Jurassic formations (On the) in the East Indian archi- 

 pelago ; August Rothpletz 3, 14 



Permo-Carboniperous of Kansas 6, 29 



Pennsylvania 5, 58 



Pessoa, C. D. R., Jr., cited on rock decay 7, 259 



Petrographic excursion in the eastern Adirondack region 8, 3 



— section, Proceedings of. 10, 499 



, Reference to proceedings of 8, 393 



— work, A method of 2, 365 



— observations in Norway .■ . 1, 551 



Petrography of Adirondack gabbros 6, 269, 273 



— and structure of the Piedmont plateau in Maryland ; G. H. Williams. . . 2, 301 

 — , Anhedron suggested as a needed term in 7, 492 



— of aporhyolite 8, 394 



Brazilian gneisses 7, 283, 284 



diabase pitchstone and mu<l enclosures of the Triassic trap of New 



England 8, 69 



eastern Adirondack rocks 6, 252-259 



Massachusetts diabase 7, 350 



IMissouri granites and porphyries 7, 366, 367 



Piedmont rocks 2 , 305 



Square butte 6, 407 



syenite gneiss : 7, 107-119 



Petroleum Age (The), Reprint from '. 3, 208 



— and natural gas in southwestern Ontario 4, 225 



— field, The Mannington 3, 187 



— in Gaspe, Quebec 4, 241 



— , Geological probabilities as to 9, 85 



— , Origin of. 3, 202 ; 9, 87 



— , Permanency of 9,92 



— , Relation between grahamite deposits and 10, 281 



— in southwestern Ontario 4, 408 



— supply, Duration of 9, 99 



Petrology of the Adirondacks . . •. 5, 214 



— of Berkshire schists 4, 169 



