400 INDEX. 



PAGE. 



Osborne, Tliomaa B 20, 46 



Investigations in Nutrition -iSS 



Publications by 31, 32, 36 



Osgood, Charles G 10, 21, 23 



Osgood, Herbert L 20, 46 



Historical Investigations of 360 



Osmotic Concentration of Tissue Fluids of Desert Plants 79 



Pressure based on Depression of Freezing-point 134 



Osmotic Pressure of Solutions 348 



Properties of Tissue Fluids of Parasitic Plants 79 



Oxides, Common Refractory 156 



of Iron 137, 146 



Pacific Islands, History of 178 



Painted Deseit, Surface of . . ■ 94 



Paleontology, Investigations in 373-375 



Palitszch, Sven 354 



Palolo Worm, Eunice fucata 178 



Parallaxes and Proper Motions, Measurement of 245 



Pardee, K 346 



Parker, Edward W 97 



Parkinson, W. C 290, 316 



Parliament, Proceedings and Debates respecting North America from 1585 to 1783 . . 166 



Parsons, L. W 314 



Parsons, Wm. Barclay (3), (4), xi 



Pass, Harold de 171 



Pathological Effects of Atmosphere rich in Oxygen, PubUcation concerning 284 



Paton, Stewart (3), (4), xi, xii 



PauUin, Charles O 165, 169 



PubUcation by 32 



Paulus, M. G 345 



Peabody, F. W., Publication by 30, 32, 284 



Pearl, Ilaymond 283 



Pease, Francis G 233, 244, 253, 263 



Publications bv 26, 32 



Pepper, George W . . " (3), (4), xi 



P6rez, Luis Marino 166, 168 



Perret, F. A. . 143 



Publication by 32 



Personal Equation and Steadiness of Judgment in 134 



Peters, C. H. F 8, 21 



Peters, W. J 291 



Publications by 32, 325, 331 



Petrographic Microscope in Anal3\sis 153 



Position of Vibration Plane of Polarizer in 144 



Recent Improvement in 152 



Phillips, P. Lee 161, 165 



Philology 375 



Photograplus of Sjjiral NebuUc 244 



Photosynthesis, Studios in 54 



Physical Laboratory at Mount Wilson 256 



Physics, Investigations in 377 



Physiology, Investigations in 386 



Phytolacca, Transmission or RecuiTence of Environic Effects in 83 



Planets, Stars, and Nebute, Investigations of 242 



Population, Publication concerning 97 



Portland Cement, Chemistry of 155, 156 



Power, A. D 303 



Pratt, Henry S., Publications by 32, 178 



Precision Auxograph 57 



Projection Plot 157 



President of Institution, Report of 1-25 



Price, Waterhouse and Co., Report as Auditors of the Institution 48 



Pritchett, Henry S (3), (4), xi, 322 



Proper-motion Stars, Intensity of Continuous Spectrum in Large and Small 253 



Protoplasm, Behavior as a Colloidal Complex 67 



Factors affecting Growth of 67 



Psychological Laboratory . 275 



Psychologj', Investigation-s in 386 



