CONTENTS AND INDEX. 



NEW SERIES. VOL. XLVII.-JANUARY TO JUNE, 1918 



THE NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS 



Abbot, C. G., Pyrheliometry, 609 



Acidosis, Catalase in, W. E. Burge, 347 



Adams, F. D., Chemical Analyses of Igneous Rocks, 



H. S. Washington, 368 

 Adams, J., Recording Temperature, 539 

 Adams, R., Manufacture of Organic Chemicals, 225 

 Aeronautics, 37 

 Age and Area Hypothesis, E. F. Andrews, 142; J. 



C. Willis, 626 

 Agricultural, Education and Research, W. H. Jor- 

 dan, 125; Instruction, H. Ness, 240 

 Agriculture, French, 232 

 Alaska Fishery and Fur Products, 557 

 Allen, E. W., Amer. Assoc. Adv. Sci., Section M — 



Agriculture, 444 

 Alway, F. J., "Rawness" of Subsoils, 196 

 American Association for the Advancement of Sci- 

 ence, Address of the President, 1, 27; Pitts- 

 burgh Meeting, 48; Addresses of the Vice-presi- 

 dents, Section B, 51; Section D, 75; Section G, 

 101; Section M, 125; Section F, 151; Section I, 

 201; Section E, 325; Report of the Treasurer, 

 199; of the Permanent Secretary, 200; the Com- 

 mittee on Policy, L. O. Howard, 443 ; Botany, 

 A. F. Blakeslee, 99; Zoology, H. V. Neal, 247; 

 Agriculture, E. W. Allen, 444; Geology and 

 Geography, R. T. Chamberlin, 467, 492; Balti- 

 more Meeting, 482; Engineering, A. H. Blanch- 

 ARD, 543; Physics, G. W. Stewart, 569 

 Anatomy, Comparative, Scott on, E. C. Jeffrey, 

 343; Canons of, W. P. Thompson, 517; of 

 Woody Plants, H. S. Conard, E. C. Jeffrey, 316 

 Andrews, E. F., Age and Area Hypothesis, 142 

 Animal Census of Two City Lots, G. N. Wolcott, 



371 

 Antarctic Ice Cap, K. F. Mather, 218 

 Anti-Vivisectionists and the Red Cross, W. W. 



Keen, 175 

 Antiquity of Man, W. H. Holmes, 561 

 Arber, E. A., Mesozoic Floras, E. W. Berry, 518 

 Aronovitch, B., and F. H. Pike, Otic Labyrinth 



and Attitude of the Head, 519 

 Artichoke, Jerusalem, L. O. Howard, 344 

 Astigmatism and Coma, C. W. Woodworth, 459 

 Astronomical Day, W. S. Eichelberger, 23 

 Atomic Weights, and X-Rays, C. W. Kanolt, 123; 



G. L. Wendt, 442 

 Audibility, Areas of, W. J. Fisher, 417; of Sound, 



461 

 Aurora, Borealis, C. W. Tomlinson; C. M. Smith, 

 291 ; J. Stebbins, J. E. Smith, G. H. Bbetnall, 

 314; and Magnetic Storm, 359; F. P. Whitman, 

 393 

 Auroral Convergent, L. D. Burling, 460 



B. Coli Index, W. F. Wells, 46; W. D. Cairns, 



239 

 B., E. W., Cyrille Grand 'Eury, 62 

 Babcock, E. B., and R. E. Clausen, Genetics and 



Agriculture, A. H. Sturtevant, 641 

 Bacteria, Evolution of, R. E. Buchanan, 320; I. J. 



Kligler, 589 

 Bailey, C. H., Extracts of Wheat Floiir, 645 

 Bailey, L. H., Indigen and Cultigen, 306 

 Baker, F. C, Garden Pest, 391 

 Bancroft, W. D., Nature of Solutions, H. 0. Jones, 



145 

 Barbour, T., and L. Stejneger, N. A. Amphibians 



and Reptiles, A. G. Ruthven, 440 

 Barite in Georgia, W. A. Nelson, 71 

 Barker, L. F., Theodore Caldwell Janeway, 273 

 Barnard, P. P., Casting-Counter and Counting- 

 Board, D. E. Smith, 144 

 Bather, F. A., Systematists and General Biologists, 



345 

 Bauer, L. A., Observations on Solar Eclipse, 486 

 Beebe, W., Costa Ricau Natural History, A. S., and 



P. P. Calvert, 222 

 Benedict, R. C, The Yellow Clothes Moth, 392 

 Benton, J. R., Drawings on Lantern Slides, 489 

 Bergen, Joseph Young, E. H. Hall, 14, 144 

 Berry, E. W., Mesozoic Floras, E. A. Arber, 518; 



Plants, Seeds and Currents, H. B. Guppy, 612 

 Bevan, a. D., Medical Profession and the War, 



597 

 Biological Research, 6. R. La Rue, 381 

 Biologists, General, and Systematists, F. A. 



Bather, 345 

 Biology, Experimental, Federation of Amer. Soc. 



for, 295 

 Birth Rate, Declining, L. I. Dublin, 201 

 Blakeslee, A. F., Amer. Assoc, for Adv. of Sci., 



Section G, 99 

 Blanchard, a. H., Amer. Assoc, for the Adv. of 



Sci., Section D, 543 

 Botanical Abstracts, 558 

 Botany in America, C. Stuart G.voer, 101 

 Bread, Whole-Wheat, R. A. Dutcher, 228 

 Bretnall, G. H., Aurora of March 7, 1918, 315 

 British, Museum and the War, 165; Government, 



Reconstruction Commissions of, 338; Civil Serv- 

 ice Estimates for Science and Education, 454 

 Brooks, C. F., Meteorology and Climatology, 565 

 Brown, Amos Peaslee, 37 



Bryan, M. K., Marking Microscope Slides, 171 

 Buchanan, R. E., Evolution of Bacteria, 320 

 Bumstead, H. A., Theoretical Physics, 51 

 Burge, W. E. Catalase in Acidosis, 347 

 Burling, L. D., Translations, 367; The Auroral 



Convergent, 460; Lantern Slides, 639 



