SCIENCE A WEEKLY JOURNAL DEVOTED TO THE ADVANCEMENT OF SCIENCE. EDITORIAL COMMITTEE: S. NEWCOMB, Mathematics; R. S. WOODWARD, Mechanics; E. C. PICKERing, NEW SERIES. VOLUME IX. JANUARY-JUNE, 1899. NEW YORK THE MACMILLAN COMPANY 1899 Boglogy Fiedlon 22277 CONTENTS AND INDEX. N. S. VOL. IX.-JANUARY TO JUNE, 1899. The Names of Contributors are Printed in Small Capitals. ABBE, CLEVELAND, Catalogue for Meteorology, 871 Age of the Earth, LORD KELVIN, 665, 704; T. C. Allen, Alfred H., Commercial Organic Analysis, W. ALLEN, J. A., Birds, A. H. Evans, 647 American Association for the Advancement of Science, Amerind-A Designation for the Aboriginal Tribes AMES, J. S., Text-book of Physics, Charles S. Hast- Anatomists, American, Association, D. S. LAMB, 320 Angot, Alfred, Météorologie, Frank Waldo, 743 Anschütz, R., Organic Chemistry, E. RENOUF, 749 Anthropological, Section of the American Association, 145; Society of Washington, J. H. MCCORMICK, 218, 590 Anthropology, Current Notes on, D. G. BRINTON, Arc of Peru, Remeasurement of, 916 Astronomical Notes, WINSLOW UPTON, 36, 224; E. Atomic Weights, FERDINAND G. WIECHMANN, 23; Quarter Century's Progress, F. P. VENABLE, 477 B., H. C., The Statistical Method in Zoology, 74 Bailey, L. H., The Principles of Agriculture, ELISHA Bailey, Solon I., Peruvian Meteorology, R. DeC. BARROWS, FRANKLIN W., New York State Science BARUS, CARL, The Objective Presentation of Har- BATHER, F. A., Zoological Bibliography, 154; The Storage of Pamphlets, 720; Some Smithsonian BAUER, L. A., Trowbridge's Theory of the Earth's BEAN, TARLETON H., Fishes of the South Shore of Long Island, 52; Identity of Common and Lab- Beddard, F. E., Structure and Classification of Birds, F. A. LUCAS, 212; Elementary Zoology, CHAS. Bell, Alexander Graham, on the Development by Se- Berry, Arthur, A Short History of Astronomy, David BESSEY, CHARLES E., 74, 226, 555, 689, 880; The OULD, 165; Society of Washington, O. F. Cook, 257, 486, 847; Fresh Water Stations of the World, HENRY B. WARD, 497; Text-Books and Teachers, O. F. Cook, 541; Bulletin, 652 BLACKFORD, EUGENE G., Note on the Spawning BLISS, C. B., Section of Psychology and Anthropology, New York Academy of Sciences, 219, 376 BOAS, FRANZ, Teaching of Anthropology, 93 BOLTON, H. CARRINGTON, and W. P. CUTTER, Cata- logue for Chemistry, 867 Boston Society of Natural History, SAMUEL HEN- Botanical Club, Torrey, E. S. BURGESS, 33, 295, 520, 591, 819, 876; of Washington, CHARLES LOUIS POLLARD, 291, 914; of the University of Chi- cago, 413; Notes, CHARLES E. BESSEY, 74, 226, 555, 689, 880; Gazette, 376, 589, 620 dents' Club of Harvard University, 33, 113, 335, BRIGHAM, A. P., Physical Geography, W. M. Davis BRINTON, D. G., Current Notes on Anthropology, 37, 76, 117, 156, 185, 227, 266, 299, 338 BRITCHER, H. W., Onondaga Academy, 114, 376 ful Century, A. R. Wallace, 511 Brunissure of the Vine, ALBERT F. Woods, 508 BUMPUS, H. C., Marine Biological Laboratory, 228 BURGESS, E. S., Torrey Botanical Club, 33, 295, 520, Burnside, W., Theory of Groups of Finite Order, F. C., C. G., Practical Astronomy, W. W. Campbell, 842 C., F. C., Physical Notes, 116, 378, 493, 555 CALKINS, GARY N., Biological Section of the New |