INDEX. 



377 



PAOE. 



Poanjak, Eugen, Publication by 39 



Publication on Bucher Cyanide Process 



for Fixation of Nitrogen 161 



Publication on Hydrated Ferric Oxides. 163 



Poultry, Heredity in 140 



President of Institution, Report of 6-42 



Pritchett, Henry S m, rv, 3, 45 



Protein-Production, Control of, in Egg 



White by Quinine 141 



Protoplasm, Character of, Fundamental to 



Growth 57 



Publications, Growth and Extent of 32 



Publications of Department of Terrestrial 



Magnetism 302 



Publications of Geophysical Laboratory. . .168-174 



Publications of Nutrition Laboratory 270 



Publications, Sales and Value of 31 



Puerto Deseado 280 



Puerto Montt, Magnetic Work in 279 



Punta Arenas, Magnetic Work in 279 



Pursuit-Meter Apparatus 266, 268 



Pursuit Penduliun, Acqmsition of Skill in 



Test with 265, 267 



Putnam, Herbert 176 



Quadrat-Transect for Study of the Biome. . 338 



Radial Velocities 245 



Rathbun, Mary J 346 



Publication by 31 



Raymond, Harry 211, 215 



Publication by 34 



Real Estate and Equipment, Schedxile of ... . 63 

 Receipts and Disbursements of Institution 



from Organization to Date 46 



Reichert, E. T., Publication by 30 



Reina, Vincenzo 310 



Reports, Aids, and Guides, Historical Re- 

 search 176, 183 



Reproduction, Physiology of 141 



Research Council, International 309 



Researches of Year 25 



Respiration Chamber for Large Animals .... 266 



Retirement and Insurance, Plans for 24 



Ricc6, A 310 



Richards, H. M., Publication by 38 



Richards, Theodore W v 



Publication by 39 



Report on Researches in Chemistry . . 326-328 



Richmond, Myrtle L 227, 241, 243 



Publication by 40 



Riddle, Oscar 142 



Publication by 30 



Riefler Clocks 214 



Ritchey, George W 226, 227 



Ritchie, Mary 227, 244 



Ritzman, E. G 226, 269 



Roberts, Howard S., Publication by 37, 39, 42 



Publication on Cooling of Optical Glass 



Melts 167 



Publication on Electrical Apparatus for 



Use in Electrometric Titration. . . . 166 

 Publication on Electrometric Titrations, 

 with Special Reference to Determi- 

 nation of Ferrous and Ferric Iron ... 165 

 Publication on Thermocouple Installa- 

 tion in Annealing Kilns for Optical 

 Glass 168 



Roberts, Howard S., Publication on Vola- 

 tilization of Iron from Optical 

 Glass Pots by Chlorine at High 



Temperatures 164 



Rodfis, Luis 228 



Publication by 40 



Roosevelt, Theodore, Death of 15 



Root, Elihu Ill, IV, 3, 46 



Roots of Species with Dissimilar Habitats, 

 Reactions to different amounts of 



Carbon Dioxid in Soil 92 



Rose, J. N., Publication by 30 



Rosemberg. F. G 280, 288, 292 



Rotation Produced by Magnetization, In- 

 vestigation of 276 



Roth, Paul, on Human Vitality and Effi- 

 ciency under Prolonged Restricted 



Diet 275 



Publication by 30 



Roy, Arthur J 213, 215 



Rubber Plants 343 



Ruby, C. E 325 



Ruling Machine 259 



Russell, H. N 303 



Russell, W. J 304, 305, 306 



Ryerson, Martin A iv 



Saeland, S 306 



Safir, S. R 326 



Salt Requirements of Plants, some Factors in 82 



Sameshima, J 326, 327 



Publication by 39, 40 



Samoa, Geology of 192 



Map of 188 



Sanford, Roscoe F 213, 227, 239, 245, 249, 263 



Publications by 40, 41 



San Luis 213, 214 



Santiago, Magnetic Work in 279 



Saps, Vegetable, Osmotic Concentration of . . 143 



Sarton, George v 



Publication by 40 



Report on History of Science 347 



Sawyer, H. E 279, 286 



Schaeffer, Asa A 190 



on Specific Characters of Marine 



Ainoebas at Tortugas 204 



Publication on Marine Amoebas from 



Tortugas 186 



Schaf er, Joseph 176 



Schultz, A. H 119 



Publication by 40 



Schumb, W. C 328 



Publication by 39 



Schuster, Arthur 296, 310 



Science, History of 348 



Scudder, Mary F 147 



Publication by 30 



Scares, Frederick H 218, 226, 233 



Publications by 40 



Senior, H. D., Publication by 40 



Sex Expression of Men Living on a Lowered 



Nutritional Level 270 



Sex in Mucors 137 



Sex in Pigeons 132 



Sex Intergrades in Daphnia 132 



Sex-Ratio in Man 135 



Sex, Significance and Control of 132 



