352 INDEX. 



PAGE. 



Lewis, Margaret Reed 102, 108 



Publication by 33 



Lindsay, William iv, x 



Literature, Researches in 320 



Livingston, Burton E :■•••. ^ 



on Role of Climatic Conditions in determining Distribution of Vegetation in 



the United States 95 



Publication by 41 



Lloyd, Francis E., Colloidal Phenomena on the Protoplasm of Pollen Tubes 63 



PubUcations by 41 



Lodge, Henry Cabot iii, iv 



Loew, EUas A v, 30 



Researches in Paleography 330 



Lombard, Robert H., Publications by 36, 41, 142 



Long, E. R 63, 81 



on Desiccation and Respiration in Succulent Plants 80 



Publication by 41 



Longley, W. H 163, 165, 185, 186 



Publications by 41, 166 



Lothrop, S. K 288 



Low, Seth IV, X 



Luminosity and Parallax, Spectroscopic Determinations of 223 



Lynch, Clara J 290 



MacDougal, Daniel T v, 63, 64, 65, 66, 73, 80, 81, 98 



Construction of a Biocolloid exhibiting some Water-relations of Living Plants 59 

 Imbibition in Biocolloids as affected by Acidosis, Alkalies, and NeutraUzation 60 



on Growth of Wheat and Corn 85 



on Measurement of Light in Physiological Aspects 87 



on Physical Basis of Parasitism 71 



on Rate and Course of Growth of Succulents 83 



Publications by 41 



Report as Director of Department of Botanical Research 59-98 



MacDoweU, E. C 112, 115, 117, 118 



Publications by 41 



Mace, F. F 270 



MacGill, Caroline E., PubUcation by 33 



Macklin, Charles C 102, 108, 109 



PubUcation by 33, 41, 44 



MacVeagh, Isaac Wayne iv, x, 8 



Magnet-photography, Experiments concerning 270-273 



Magnetic Field of the Sun 209 



Magnetic Observations in Africa 265 



Asia 265 



Australasia 266 



South America 267 



Magnetic Observatory Standards during 1915-1917 274 



Observatory Work 252 



Survey of the Earth 12 



MaU, Franklin P v, 102 



Publications by 33, 41 



Report as Director of Department of Embryology 99-109 



Malladra, A 135, 138 



Mallory, W. G 342 



Man, Heredity in 128 



Marine Algse, Experiments on the Imbibitional Swelling of 64 



Biologj', Report of Department of 161-189 



Mathematics, Researches in 321 



Matteson, D. M 156 



Matthews, J. R 305 



Mauchly, S. J 254, 279 



Publications by 41, 45 



Maury, C. J 319 



Mayer, Alfred G v, 31, 161, 163, 165, 175, 186 



Publications by 34, 41, 166 



Report as Director of Department of Marine Biology 161-189 



McClendon, J. F 162, 163, 165, 186, 187 



PubUcation by 34, 41, 166 



McCUntock, Francis Leopold 129 



