504 



INDEX, 



Pareiasauridae 303 



PariotichidiE 303 



Parker, Herschel C, Altitude 

 Observations with the Hyp- 

 someter in the canadian 



Rockies (Abstract) 299, 300 



Parts of speech (Yukaghir) .. 103-138 



Passive voice (Yukaghir) 130 



Patapsco River 431 



Patella, experiments on eggs of, 



372-377 

 Patella, The Cleavage-Mosaic 

 IN, E. B. Wilson (title only), 



332, 333 

 Patton, H. B.; ref. on serpentin- 



oid and amphibole 404 



Paulmier; ref 22, 25, 27, 40 



Pawnee beds 312 



Pearson; ref 172, 240 



Peat and Lignite, The Recent 

 Advances in the Utilization 

 OF, H. H. Wotherspoon, Jr. 



(Abstract) 321-323 



Pectolite 301. 33^ 



Pectoral scutes 313 



Pedicellina americana, fertiliza- 

 tion and cleavage in, 



31-32 



sex relations of 4-8 



spermatogenesis in 8-17 



Pedicellina americana Leidy, 

 The History of the Germ 

 Cells of, Louis I. Dublin. ... 1-64 



Pedicellina belgica 5; 7 



P. benedeni 5 



P. echinata 5> 7 



P. glabra 5, 7 



Pedicellinidce 4 



Peekskill, dikes in 398 



Pegmatite. .315, 388, 391, 392, 393. 

 398, 404, 405, 428, 429, 430, 

 433, 438, 440 

 occlusions on Manhattan 



Island 392 



occlusions on west bank of 



Hudson 427-428 



Pegmatitic impregnation 390 



Pegram, George B., The Genera- 

 t I o n of Electrical 

 Charges by Radium (Ab- 

 stract) 340, 342 



The Year's Work with 



Radium (Abstract).. . .311-312 

 and Harold Webb, Energy 

 Liberated by Thorium 



(Abstract) 328, 329 



Peloneustes .' 450, 469 



Pelycosauria 303 



Penck, Albrecht; Hon. Mem..., 355 

 The Glacial Surface Feat- 

 ures of the Alps (Ab- 

 stract) 355 



Pendulum apparatus for deter- 

 mining the acceleration of 



gravity 340 



Pendulum, Double Suspension, 

 The Theory of a, R. S. Wood- 

 ward (Abstract) 340 



Pennsylvania, crystalline schists 



of 433-435 



Pepper, George H., Ethnologic- 

 al Survey of the Pueblos of 

 New Mexico and, Arizona 

 during the summer of i903 



(Abstract) 317-318 



Perfective mode (Yukaghir) . 120, 128 



Perfect tense (Yukaghir) 119 



Perido-steatite 435 



Peridotite, 



405,^ 418, 425, 426, 431, 434, 435 



Perihelion 311 



Periodic Comet of 1889, 1896 

 AND 1903, Researches as to 

 THE Identity of Lexell's Lost 

 Comet of 1770 with the, 

 Charles Lane Poor (Abstract). 311 

 Peripatiis, 



II, 21, 22, 27, 36, 39, 41, 42, 43, 46, 47 

 Permian strata in Spitzbergen. . . 84 

 Perrine, C. D., Recent Progress 

 Made in the Study of Nebula 

 by Photographic Methods 



(title only) 346 



Personal pronouns (Yukaghir).. 116 



Phenocryst 396 



Philadelphia, amphibolite schists 



in 398 



Philosophy, A Neglected Point 

 in Hume's, W. P. Montague 



(Abstract) 324, 327 



Phoccrna. .451, 454, 456, 458, 469, 470 

 Phonology of Yukaghir language, 



100-103 



Phosphates in Spitzbergen 83 



Phosphorescence in Diamonds 

 Produced by Pitchblende, 

 George F. Kunz and Charles 

 Baskerville (Abstract). 299, 300-301 



Photometer 330 



Phyllite 429 



Physics, Section of, 



Meeting, Jan. 4, 1904. . .299-302 



Feb. I, 1904 3 1 1-3 1 2 



Mar. 7, 1904 320 



