INDEX. 



375 



PAGE. 



MacDougal, Daniel T., on Growth of the 



Arizona Ash 74 



on Growth of Beach and Sycamore Trees 77 



on Growth of the Chihuahua Pine 75 



on Growth of the Monterey Pine 75 



on Growth of an Oak Trunk 77 



on Hydration of Biocolloids simulating 



certain Features of Protoplasm .... 60 

 on Measurements of Growth in Terms of 



Volume 67 



on Origination of Zerophytism in Plants 99 

 on Solution and Fixation accompanying 

 Swelling and Drying of Biocolloids 



and Plant Tissues 64 



Publication by 38 



Report as Director of Department of 



Botanical Research 57-102 



MacDowell, E. C 124 



Publication by 38 



Mace, E. F 305 



Maclrmes, D. A 325 



MacNeill, Frances L 216 



MacNeill, Helen M 216 



MacVeagh, Wayne iv 



Magnesia, Binary and Ternary Systems of. . 155 



Magnet-Photography 295, 304 



Magnetic and Electric Observations made 



during Solar Eclipse of June 8, 1918 306 



Magnetic Work of the Ocean 277 



Magnetism in General 282 



Magnetization Produced by Rotation 295 



Magrini, G. P 310 



Malladra, A 310 



Mallory, WilUam G 368 



Publication by 38 



Mann, Albert v 



Report on Investigations on Diatomaceae 322 



Manning, P. D. V., Publication by 36 



Publication on Equilibrium Studies 



upon Bucher Process 170 



Marine Biology, Department of 185-210 



Publications of Department of 191 



Mar-v-in, C. F 310 



Mathematical Physics, Investigations in 349-351 



Matteson, David M 180, 184 



Mauchly, S. J 281, 282, 283, 285, 292, 296, 300 



on a Note on a Possible Explanation of 

 the "Electric Tide" Observed at 



Jersey 316 



on Results of Magnetic and Electric 

 Observations made during Solar 



Eclipse of June 8, 1918 306 



Publications by 34, 38 



Mayor, Alfred G v, 189, 190, 194 



on Detection of Ocean Currents by 

 Observing their Hydrogen-ion Con- 

 centration 186 



on Effect of Diminution of Oxygen on 



Rate of Nerve Conduction 186 



on Effects of Currents in Transporting- 



Sediment over Reefs 186 



on Growth-rate of Samoan Corals at 

 Various Depths down to 8.5 



Fathoms 186 



on Losses in Reef Material due to Bor- 

 ing Algae, Solution, Holothurians, 



etc 186 



Mayor, Alfred G., on Rate of Nerve Con- 

 duction in Regenerating Tissue 



Lacking Muscles 186 



Publication by 38 



Publication on Detecting Ocean Cur- 

 rents by Ob erving their Hydrogen- 

 ion Concentration 191 



Publication on Growth-rate of Samoan 



Coral-Reefs 191 



Report as Director of Department of 



Marine Biology 185-210 



McClendon, J. F 189, 190, 195, 196, 199 



on Effect of Anesthetics on Basal Meta- 

 bolism 202 



Publication on Anesthesia in Marine 



Animals 186 



McDowell, Louise S 367 



Mcintosh, William A 107 



Publication by 38 



McMurrich, J. Playfair 348 



Mendel, Lafayette B v 



on Continuation and Extension of Work 



on Vegetable Proteins 352-361 



Publications by 38, 39 



Meridian Astrometry, Report of Department 



of 211-216 



Merrill, Paul W . . . . 227, 228, 245, 256, 257, 260, 262 



Publications by 37, 38 



Merwin, Herbert E., Publications by 36, 38, 39 



Publication on Ammonium Picrate and 

 Potassixma Trithionate : Optical 

 Dispersion and Anomalous Crystal 



Angles 170 



Publication on Bucher Cyanide Process 



for Fixation of Nitrogen 161 



Publication on Hematite and Rutile 

 Formed by Action of Chlorine at 



High Temperatures 169 



Publication on the Hydrated Ferric 



Oxides 163 



Publications on Ternary System CaO- 



MgO-Si02 159, 165 



Publication on Wallastonite (CaO. 

 SiOj) and related Solid Solutions in 

 Ternary System Lime-Magnesia- 

 Silica 166 



Metabolism and Nutrition 78 



Metabolism during Muscular Work 268 



Metabolism in Large Animals, Study of ... . 269 



Metabolism of Cold-Blooded Animals 270 



Metabolism of Normal Children 268 



Metabolism, Studies of, with Varying Envi- 

 ronmental Temperatures 268 



Metallic Spectra in High Vacua, Production 



of 257 



Meteorology, Report of Investigations in . . 351-352 



Meteorological Service of Argentina 279, 288 



Metz, C. W 124 



Publication by 38 



Meyer, Arthur W 110, 121 



Publication by 38 



Mice, Heredity in 140 



Michelson, A. A v, 227 



Miehle, L 285 



Miles, Walter R 265, 267, 268, 269 



on Human Vitality and Efficiency under 



Prolonged Restricted Diet 275 



