500 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page 
Ben6t, S. V., Death of... 437 
— Obituary notice of, by R. Birnie. 370, 453 
Bibliographical conference at London. S. 
Newcomb. 454 
Bigelow, F. H.: Distribution of the sun spots 
on different meridians. 442 
— Electric farming. 486 
— Lemstrom on electricity and vegetation.. 486 
— Results of balloon ascensions in deter¬ 
mining the temperature of the air. 474 
-recent explorations of the upper at¬ 
mosphere. i . 493 
— State of the Philosophical Society. 475 
— Status of the atomic theory. 492 
— The earth, a magnetic shell... 440 
-earth’s magnetic field. 465 
-function of criticism in the advance¬ 
ment of science... 337, 484 
-probable state of sky along eclipse 
track of May 28, 1900. 466 
-problem of international cloud obser¬ 
vations . 460 
— Two remarkable semi-diurnal periods. 478 
Billings, J. S.: Municipal mortality statistics 
in the United States. 440 
Binomial theorem expressed in the form of 
a factorial which is always convergent, 
A. C. H. Kummell. 460 
Birnie, R.: Army magazine rifle, caliber 30, 
model of 1892. 438 
— Obituary notice of S. V. BenOt. 370, 453 
— Steel cylinders for gun construction, 
stresses due to interior cooling. 87, 441 
Bliss, L. D.: Some applications of Herzian 
waves. 490 
Boundary of the District of Columbia. 
M. Baker. 462 
Briggs, L. J.: Electrical methods of inves¬ 
tigating moisture, temperature, and sol¬ 
uble salt content of soils. 487 
Brockett, P., Election to membership of..... 463 
Brown, G.: Early government architecture. 452 
Browne, J. M., Obituary notice of, by R. 
Fletcher. 453 
Calendar, The Jewish. C. Adler. 461 
Cameron, F. K.: Some objections to atomic 
theory. 492 
Caprification. C. V. Riley.. 439 
Casanowicz, I. M.: Election to member¬ 
ship. 451 
Casey, T. L., Death of. 451 
— Obituary notice of, by B.' R. Green ... 374, 453 
Catalogue of Egyptian papyri and royal 
monuments, A proposed. C. Adler. 464 
Central American rainfall. M. W. Harring¬ 
ton. 1, 438 
Page 
Century of geography in the United States, 
A. M. Baker. 223, 475 
Certain influences of aridity on life. W J 
McGee. 440 
Chapman, D. C., Death of.. 436 
— Obituary notice of, by H. G. Ogden... 381, 454 
Charity, A Dutch practical. J. H. Gore. 462 
Chemistry in the United States. F. W. 
Clarke. 183, 455 
Christie, A. S.: The latitude-variation 
tide..L.. 103, 441 
Clarke, F. W.: Chemistry in the United 
States. 183, 455 
— The new gas in the atmosphere. 439 
Classification of textile and other useful 
fibers of the world, The systematic. 
C. R. Dodge. 461 
— Principles of. J. W. Powell. 462 
Cloud classifications, New. A. McAdie.. 77, 438 
— formation and cloud nomenclature. C. 
Abbe. 442 
— observations, Problem of international. 
F. II. Bigelow. 460 
Commercial relations of Germany and the 
United States. J. H. Gore. 490 
Committee on Communications for 1896. 447 
- 1897. 459 
- 1898. 471 
-Publications for 1896.. 447 
- 1897. 459 
- 1898. 471 
Comparison of line and end standards. L. A. 
Fischer... 241, 476 
Compensation of vibrations and other mo¬ 
tions of a vessel at sea for the constant 
level base of the solarometer. W. H. 
Beehler... 448 
Condition of Tertiary paleontology^in the 
United States. W. H. Dali. 474 
Cook, J. R., Election to membership of.. 450 
Cotton grotto, an ancient quarry in Jerusa¬ 
lem, The. C. Adler. 440 
Criticism in the advancement of science, 
The function of. F. H. Bigelow. 337, 484 
Curtis, G. E., Death of...... 438 
— Obituary notice of, by J. S. Differ and 
O. L. Fassig.. 384, 465 
Dali, W. II.: Alaska as it was and is, 1865- 
1895 . 123, 443 
— Discovery of marine fossils in the Pam- 
pean formation by Dr. H. von Hiring. 438 
— Proposed university of the United States. 478 
— Recent advances in malacology. 454 
— Some characteristics of genus Spirula.450 
— The condition of Tertiary paleontology 
in the United States. 474 
