376 



INDEX. 



Milea, Walter R. on Sex Expression of Men 

 Lu'ing on a Lowered Nutritional 

 Level 270 



on Temperature of the Human Skin . . . 274 



Publications by 30, 34, 38 



Miller. Addie L 227 



Miller, Charles H., Publication by 39 



Mills, D. O IV 



Mills, E.S 268 



Mills, John 185 



Mills. R. R 279, 286. 287 



Minutes of Eighteenth Meeting of Board of 



Trustees 1-3 



Mitchell, S. Weir iv 



Mogenson, Anne, Publication by 42 



Mohr, O. L 325 



Publications by 31, 35, 39 



Mongrel Blood, Elimination of, by Out- 

 Breeding 150 



Montague, Andrew i"i iv, 3 



Monterey Pine, Growth of 75 



Monterey Pine, Stem Analysis and Elonga- 

 tion of Shoots in 88 



Moodie, Edith 178 



Moore, Charles 176 



Moore, H. F 365 



Moorehead, W. K 362 



Morey, George W., Publication by 39 



Publication in Improved Method of 



Optical Glass Manufacture 162 



Morgan, T. H v 



on Constitution of Germ-Plasm in re- 

 lation to Heredity 324 



Publications by 30, 31, 39, 41 



Morize, H 288. 290 



Morley, Frank v 



Morley, Sylvanus G v 



Report of Investigations in Archeology 317-321 



Morrow, William W ni, iv, 3 



Morse, H. N v 



Moss, S. A 351 



Moulton, F. R v 



List of Papers by 350 



on Investigations in Mathematics, Cos- 

 mogony, and Celestial Mechanics 349-351 



Publication by 39 



Mount Wilson Observatory, Report of ... . 217-264 



Miiller, W. Max, Death of 16 



Muncey, Elizabeth C 149 



Munro, Dana C 175 



National Academy of Sciences 284 



Navigator Islands, Map of 188 



Nichols, E. L v 



Publication by 39 



Researches in Physics 366 



Nicholson, Seth B 228, 229, 230, 235, 243 



Publications by 36, 39 



Nebulffi and Clusters, Photographs of 238 



Nebulae and Star-Clusters, Spectroscopy of . . 249 



Nonidez, J. F 325 



Norman, Sybil 179 



Norris, Edgar H., Publication by 39 



North America, Land-Sur^'ey and Special 



Expeditions in 287 



North America, Magnetic Work in 279 



Norwegian North Polar Expedition 279, 287 



Nova Aquilse No. 3, Spectrum of 247 



PAOE. 



Noyes, Arthur A v 



Report on Researches in Chemistry . . . 325-326 



Nutrition and Metabolism 78 



Nutrition, Human, Cooperative Work on. . . 143 



Nutrition Laboratory, Report of 265-276 



Nutrition, Report on Work in 352-361 



Oak Trunk, Growth of 77 



Observatory Work at Washington 298 



Observing Conditions at Mount Wilson 237 



Officers of Institution for Year 1919 ni 



O'Gara, P. J 333 



Olivier, C. P 351 



One-Hundred-Inch Hooker Telescope 259 



Optical Shop, Mount Wilson Observatory. . . . 258 

 Organic Acids and their Amino-Compounda. 



Effects on Hydration and Growth. . 62 



Organization, Plan, and Scope ix 



Osborne, Thomas B v 



Publication by 39 



Report on Continuation and Extension 



of Work on Vegetable Proteins. . .352-361 



Osgood, H. L 347 



Paleontology, Reports on 361 



Palitzsch, S., Publication by 39 



Parallaxes 211 



Parkinson, W. C 280, 290, 291 



Parmelee, James in, iv, 3 



Parsons, Wm. Barclay in, iv, 3, 45 



Paton, Stewart in, iv, 3. 45 



Paullin, Charles 179. 184 



Publication by 39 



Peabody, Dorothy A 268 



Pearl, Raymond 135 



Pease, Francis G 226, 238, 260, 263 



Publication by 39 



Pemberton, Russell 285 



Pennybacker, John Y 139 



Pepper, George W in, rv 



P6rez, Luis Marino 178 



Permanent Quadrats 338 



Perrier, G 310 



Peru, Observatory Work in 280 



Peters, W. J 282 



Phillips, P. Lee 176 



Phillips, v.. Publication by 41 



Philosophical Society of Washington 296 



Photographic Magnitudes for Selected Areas 241 

 Photosynthesis and Respiration, Interrelation 



of 78 



Photosynthetic Efficiency 332 



Photovisual Magnitudes for Selected Areas 241 

 Physical Laboratory, Mount Wilson Observa- 

 tory 250 



Physics, History of 348 



Physics, Investigations in 363-368 



Phytometer Method 331 



Pigeons, Chemistry of Brains of Ataxic 142 



Pitman, Frank W 347 



Plant Habits and Habitats in More Arid 



Portions of South Australia 90 



Plants, Flowering 137 



Polarization of Night Sky 237 



Pole Effect, Nature of 256 



Poole, R. J., Publication by 42 



Poor, C. L 303 



Port Dickson, Magnetic Station at 279 



