INDEX 
Page 
Abbe, C.: Continental deficit of gravity and 
its meteorological bearings................ 536 
— Formation of rain............ 523 
— Height of the Aurora Borealis.... 522 
— Measurement of the growth of plants with 
an auxanometer....... 522 
— Obituary notice of William Ferrel. 511, 548 
Address of President Fletcher, 1894............ 540 
-President Gilbert, 1893.. 513 
-President Mendenhall, 1892........ 504 
Adler, Cyrus, elected member. 521 
African problems, Some modern. Albrecht 
Wirth .. 536 
Agricultural experiment station exhibit at 
the World’s Fair. A. W. Harris. 511 
Alaska, Recent astronomic work in. Fre¬ 
mont Morse... 533 
Aldis, Asa Owen, Obituary notice of, by J. 
K. McCammon... 433, 511, 537 
Analysis, exact, Fundamental principles 
of. A. Macfarlane. 535 
Ancient Pueblo arches. F. H. Cushing....... 523 
Antiquity of man in America. W J McGee. 536 
Antisell, Thomas, Death of.. 524 
Appalachian structure, Illustrations of. Ar¬ 
thur Keith. 507 
Appalachicola river, Notes on the explora¬ 
tion of. W. H. Dali..... 532 
Art, Anatomy and. Robert Fletcher. 411,540 
Artificial transformation of simple organ- 
isms. Elmer Gates... 537 
Astronomical work in Alaska, Recent. Fre¬ 
mont Morse. 533 
Attempted explanation of a social problem. 
B. P. Mann...... 506 
Atomic weight of oxygen. F. W. Clarke. 534 
Auditing committee, Report on Treasurer’s 
accounts for 1892...... 519 
- 1893........ 531 
Aurora Borealis, Height of the. C. Abbe. 522 
Auroras and sun spots. H. A Hazen...... 538 
Automatic mercurial barograph. C. F. Mar¬ 
vin .. 534 
Avery, R. S., Death of.... 538 
— Obituary notice of, by L. P. Shidy. 435 
Baker, M., delegate to the Joint Commis¬ 
sion . 533 
— Relief maps...... 349, 533 
Ballooning, Scientific. H. A. Hazen... 510 
Page 
Bancroft, George, Obituary notice of, by J. B. 
Marvin..... 442, 511 
Barograph, An automatic mercurial. C. F. 
Marvin. 534 
Barometer, Diurnal variations of the. A. S. 
Christie. 67, 506 
Base lines, Application of interference 
methods to the measurement of. F. L. 
O. Wadsworth. 546 
— Use of steel tapes for measuring. R. S. 
Woodward... 520 
Bauer, L. A : The earliest isoclinics and ob¬ 
servations of magnetic force....397, 539 
— Wild’s explication of the secular variation 
phenomena of terrestrial magnetism. 505 
Bolography of the infra-red spectrum. 538 
Bigelow, F. H.: A model globe.. 522 
— Temperature inversions in the solar mag¬ 
netic period. 537 
Bigelow’s curve, A possible explanation of 
the periodic inversion of. C. K. Wead.. 538 
California, Two Neocene rivers of. W. Lind- 
gren. 521 
Capture of comets. Asaph Hall.. 545 
Chilhowee mountain, Tennessee, Geology 
of. A. Keith. 71, 510 
Christie, A. S.: Diurnal variation of the ba¬ 
rometer. 67, 506 
— Method employed to find the latitude- 
variation tide. 510 
Clarke, F. W : Atomic weight of oxygen. 534 
Classification—chiefly geological. W J Mc¬ 
Gee. 524 
Cline, I. M.: Summer hot winds on the Great 
plains... 309, 583 
“Clover,” Cruise of the; further observa¬ 
tions on the aberrations of the audibility 
of fog signals. A. B. Johnson. 525, 533 
-Results—echoes of fog signals. 
C. A. White... 526 
Coloi’ado, Electrical phenomena on Mount 
Elbert. P. A. Welker... 539 
Continental deficit of gravity and its mete¬ 
orological beai’ings. C. Abbe. 536 
Comets, The capture of. Asaph Hall. 545 
Committee on communications, 1892. 503 
— -1893. 518 
-1894........ 531 
-publications, 1892 .. 503 
(563) 
