PERIPHERAL PERSIA 225 



Page 



Peripheral ranges of Asia and Europe 21, 190-199 



Perisphinctin^, Development of the costte in the 33, ir)2 



Per»ssouactyla ; J. W. Gidley 23, SO, 179 



— , Classification of 23, 179 



Perkins, G. II. ; ^Memorial of Henry Martyn Seely by 29, 65 



Perkins, R. W. ; Photographs of Hawaiian Islands 28, 501 



Permanence of the continents and oceans ; W. B. Scott 24, 106 



Permian, Arid period of 27, 181 



— beds of northern Texas, Character of 21, 250 



— , Chelydrosauria from Texas 21, 75 



— floras in the western "red beds" ; David White 21, 75 



— glaciiil periods. Reference to 25, 589 



— glaeiation 25, 578-588 



— of Brazil 30, 211 



New Mexico, Complete skeleton of a new group of large reptiles 



from the ; 22, 95 



Texas, Mounted skeleton of Varanosaurus from the 22, 95 



— reptiles, New genus of ; S. SV. Williston 21, 75, 250-283 



— Tetrapoda, Cranial elements in the 28, 973 



— vertebrates. New genera of 21, 75, 250-283 



• , Explanation of plates 21. 283, 284 



Permo-carbonic conglomerates of south Brazil ; J. B. Woodworth. . 21,30, 779 

 Permocarboniferous, Banded glacial slates of 27, 110 



— beds of Texas, Climatic oscillations in 25, -11 



— • ( ?) conglomerate of Alaska 25, 199 



— ice age 27, 184 



Pebmo-Triassic formations of Arizona 30, 471, 491 



fossils 30, 471, 491 



of northwestern Arizona ; H. W. Shimer 30, 155, 471 



Pernambuco, Geology of 30, 291 



Peronopora, Development of 23, 361 



Perret, F. A., cited on condition of Stromboli, 1914 26, 387 



"Pele's Tears" 27, 53 



— • — — "repose" conditions of Vesuvius 26, 376 



volcanic vents 28, 253, 255, 265, 274 



Perry, Alexis, First scientific observatior. of Alaskan earthquake by.. . 



21,398,399 



Perrier, , cited on island subsidence 29, 493 



Perry, J. H., Analysis of porphyry by 25, 469 



• — riebeckite-porphyry by 25, 466 



— — cited on Bellingham series 25, 449 



granite dike 25, 468 



Milford granite 25, 454 



Quincy granite 25, 465 



porphyry 25, 463 



— , Mapping of quartz diorite area by 25, 452 



— , Work in the Diamond Hill-Cumberland district by 25, 438-441 



Persia, Petroleum supply of 28, 614 



XV — Bull. Geol. Soc. Am. 



