INDEX, 
505 
Page 
Principles of classification. J. W. Powell... 462 
-museum administration. G. Brown 
Goode. 449 
Pritchett, H. S.: 'Estimate of the population 
of United States in 1900. 488 
Probable state of sky along eclipse track of 
May 28, 1900. F. H. Bigelow. 466 
Problem of international cloud observa¬ 
tions. F. H. Bigelow......460 
Progress in transoceanic navigation in 18th 
and 19th centuries. G. W. Littlehales... 475 
Putnam, G. R.: Results of a transcontinental 
series of gravity measurements. 31, 437 
— Results of recent pendulum observations. 449 
Radelfinger, F. G.: Recent progress in the¬ 
ory of linear differential equations. 489 
Radiographs. G. M. Sternberg. 484 
Rainfall, Central American. M. W. Har¬ 
rington..*. 1, 438 
Recent advances in malacology. W. H. 
Dali. 454 
— discoveries of double stars in the south¬ 
ern hemisphere. T. J. J. See. 472 
— progress in development of the kite. C. 
F. Marvin. 464 
-geodesy. E. D. Preston. 251, 476 
-oceanography. A. Lindenkohl. 490 
-theory of linear differential equa¬ 
tions. F. G. Radelfinger. 489 
Reconnaissance in western Nevada and 
eastern California, A geologic. C. D. 
Walcott. 454 
— through Indian Territory, Oklahoma, 
and southwestern Kansas. L. F. Ward.. 454 
Refraction in height computations, A new 
treatment of. J. F. Hayford. 488 
Relation of science and scientific men to 
the general government, The. J. R. 
Eastman. 461 
Results of a transcontinental series of 
gravity measurements. G. R. Put¬ 
nam. 31, 437 
-balloon ascensions in determining tem¬ 
perature of the air. F. H. Bigelow. 474 
-density observations in Gulf Stream 
and Gulf of Mexico. A. Lindenkohl. 44 
-recent explorations of the upper atmos¬ 
phere. F. H. Bigelow. 493 
-pendulum observations. G. R. Put¬ 
nam. 449 
Rhees, W. J.: Obituai’y notice of W. B. Tay¬ 
lor. 418, 453 
Rifle, The army magazine, caliber 30, model 
of 1892. R. Birnie. 438 
Riley, C. V.: Caprifieation. 439 
— Death of. 442 
Page 
Riley, C. V., Obituary notice of, by L. O. 
Howard. 412, 453 
Rink, S.: Origin of the Eskimo name for the 
white man. 475 
Ritchie, A. M.: Thermophone. 450 
Sanitary lessons in the late war, Some. G. 
M. Sternberg. 486 
Saussure, Rene de: A new trigonometry. 454 
— Election to membership of.. 449 
— Graphical determinations of stream lines. 478 
— Graphic determinations of stream lines 
in vortex motion. 478 
— The motion of solid bodies. . 452 
Sehweinitz, E. A. de: Toxins and anti-tox¬ 
ins. 473 
Science and scientific men to the general 
government, The relation of. J. R. 
Eastman. 461 
Seaman, W. H.: Obituary notice of T. Anti¬ 
sell. 367, 453 
Second Washington Star catalogue. J. R. 
Eastman. 485 
Secretaries, Report of, for 1895. 444 
- 1896. 456 
- 1897... 468 
- 1898. 479 
- 1899. 493 
Secular change in the direction of the ter¬ 
restrial magnetic field at the earth’s 
surface. G. W. Littlehales. 269, 465 
— variation of terrestrial magnetism. L. A. 
Bauer. 441 
See, T. J. J.: An extension of Helmholtz’s 
theory of the sun. 489 
— Recent discoveries of double stars in the 
southern hemisphere... 472 
Semi-diurnal periods, Two remarkable. F. 
H. Bigelow. 478 
Seriland, An expedition to. W J McGee.... 450 
Seventh international congress of geolo¬ 
gists. G. P. Merrill. 467 
Shade-glasses for telescopes in observing 
the sun. W. Harkness. 436 
Shellabarger, S., Death of.. 453 
— Obituary notice of, by M. Baker. 416 
Shidy, L. P., Election to membership of. 439 
— Obituary notice of R. S. Avery. 438 
Shorthand writing, French, German, and 
English systems of. E. D. Preston. 452 
Sky along eclipse track of May 28,1900, 
Probable state of. F. H. Bigelow. 466 
Socialism, A Dutch experiment in. J. H. 
Gore. 454 
Solar azimuth tables in problem of acceler¬ 
ating ocean transit, Prospective place 
of. G. W. Littlehales. 487 
