582 
Oldham, R. D., Support of Himalaya, 
134. 
Ophiolithic Rocks, Liguria, 447, 489. 
Ordovician in Cader Idris, 30. 
Ore Deposits, Alaska Peninsula, 230. 
Origin of Agates, 525. 
of Trias, 139. 
Orionastrea, 574. 
Oxford and Ampthill Clays, 395. 
ACKARD, E. L., Mactrine of 
Pacific Coast, 376. 
Pale@ocheniides mioceanus, gen. et 
sp. nov., R. W. Shufeldt, 347. 
Paleoliths of Kansas, 35. 
Paleontographical Society, 472. 
of Petrograd, 384. 
Paleozoic Fishes, New York State 
Museum, 36 
Fossils of Burma, Lower, 225. 
Panama Canal, Geology, 521. 
Parapavo calvfornicus, 283. 
Parkinson, J., Structure of Jubaland, 
EK. Africa, 42. 
Parry, T. W., Tyrephining a Pre- 
historic Art, 372. 
Penmaenmawr Porphyrite, Axinite 
Veins in, 5. 
Pennines, Northern, Structure of, 547. 
Percival, F. G., Punctation of Tere- 
bratulid Shells, 51. 
Permian in Alps of Piémont and 
Savoy, 7. 
Petrography of Arran, 193. 
of South Georgia, 435. 
Petrological and Quantitative Methods 
in Stratigraphy, 105, 163. 
Petrology of North Sea Drift, 334. 
Philippine Islands, Minerals of, 89. 
Phillipsastrea hennahi, 574. : 
Pickering, A. J., Water-borings, 
Hinckley, 68. 
Picrite-Teschenite Sill of Lugar, 237. 
Piémont Alps, Crystalline Rocks of, 
198, 250, 304, 348. 
Dauphiné and Savoy, 7 
“*Pietre Verdi,’’ Piémontese Alps, 156. 
Pillow Structures in Sandstone, 146. 
Pirsson, Louis V., Text-Book of 
Geology, 424. 
Pit and Mound Structures through 
Sedimentation, 542. 
Pitchstone Xenoliths in Basalt, 
Arran, 193. 
Pleistocene Beds, Barnwell, Arctic 
Flora, 339. 
Fossil Mammals of China and 
Japan, 127. 
Indiana and Michigan, 281. 
-—— Mammals, Iowa, 35. 
Index 
Plesiastrea horizontalis, n.sp., 486. 
Pliocene Fauna, California, 378. 
Floras of Dutch - Prussian 
Border, 227. 
Mollusca, Great Britain, 472. 
Pliohippus proversus, 283. 
Pneumatolytic Alteration of Granite, 
441, 
Polyzoa, Calcium Carbonate in, 73. 
New Chalk, 97, 241, 337, 433. 
Porcupine, Geology of, 124. 
Porites _ deshayesana, Mich., 
mequisepta, var. noy., 530. 
Porosity of Rocks, Karoo System, 41. 
Portugal, Geological Survey, 329. 
Pre-Cambrian, Great Lakes, 475. 
Ontario, 573. 
Prehistoric Archeology, 34, 527. 
Preller, C. S. du R., Permian of 
Piémontese Alps, 7; Carrara Marble 
District, 92; Pietre Verdi of Pié- 
montese Alps, 156; Crystalline 
Rocks of Piémont, 198, 250, 304, 
348; Contact-Zone of Alps and 
Apennines, 400 ; Ophiolithic Rocks, 
Liguria, 447, 489. 
Pressure in Formation of Rocks and 
Minerals, 233. 
Prismatic Structure in inane Rocks, 
572. 
Pseudo-Megalithic Tor, 335. 
Pseudo-Trachylyte of Orange Free 
State, 236. 
Pterostichites grandis, sp. nov., A. R- 
Horwood, 411. 
Punctation of Terebratulid Shells, 
51. 
Purbeck Charas, C. and EH. Reid, 475. 
var. 
graphy, 105, 163. 
Quartz after Tridymite in Icelandic 
Rocks, 205. 
Queensland, Geological Notes on, 288. 
() sraphy, 105, 1 Methods in Strati- 
ACHITOMOUS  Stegocephalian, 
Upper Permian, 83. 
Radio-activity and Geology, 176. 
and Isostasy, 265. 
Ramsay, Sir William, Obituary, 384. 
Rastall, R. H., Agricultural Geology, 
474, 
Red Indians, New Jersey, 34. 
Reed, F. R. C., Notes on Trimucleus, 
118; On the genus Trinuclews, 
169; Lower Paleozoic Fossils, 
Burma, 225; Carboniferous Fossils, 
Siam, 284. 
Reeves, E. A., Mapping Harth’s 
face, 564. 
Sur- 
