502 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page 
Geodesy in the United States, Beginnings 
of. J. H. Gore... 485 
— Recent progress in. E. D. Preston.251, 476 
Geodetic operations in Spain, Recent. E. D. 
Preston. 488 
-the United States. E. D. Preston.... 485 
— problem, A new solution of the. C. H. 
Kummell. 450 
— work in Spitzbergen. J. H. Gore. 489 
Geographic changes in tropical America in 
late geologic time. R. T. Hill. 466 
— names. H. Gannett. 451 
Geography as a university study, Need of 
reorganizing. W. M. Davis. 437 
— in the United States, A century of. M. 
Baker. 223, 475 
Geologic reconnaissance in western Nevada 
and eastern California. C. D. Walcott.... 454 
Geological trip to Newfoundland, A. C. D. 
Walcott. 491 
Geologists, Seventh international congress 
of. G. P. Merrill. 467 
Gheel, a colony of the insane. J. H. Gore.... 473 
Gilbert, G. K.: Notes on the gravity determi¬ 
nations reported by G. R. Putnam. 61, 437 
— Additional notes on gravity determina¬ 
tions. 439 
— Stratigraphic measurements of geologic 
time... 437 
Godding, W. W., Death of.. 490 
— Obituary notice of, by R. Fletcher. 390 
Goode, G. B., Death of.. 454 
— Obituary notice of, by C. Adler. 396, 492 
-R. E. Earll. 388, 453 
— Principles of museum administration. 449 
Goodfellow, E., Death of. 490 
— Obituary notice of, by H. G. Ogden... 399, 492 
— -W. L. Nicholson. 407, 453 
— The Philippines.. 477 
Gore, J. H.: A Dutch experiment in social¬ 
ism. 454 
--practical charity.. 462 
— Beginnings of geodesy in United States.. 485 
— Commercial relations of Germany and the 
United States. 490 
—• Geodetic work in Spitzbergen..1. 489 
— Gheel, a colony of the insane. 473 
— International bibliography of mathe¬ 
matics. 442 
— Obituary notice of J. C. Welling. 438 
— Poor colonies of Holland. 443 
— The Antwerp nations. 466 
-Groningen land-lease system.. 450 
Graphical determinations of stream lines. 
R. de Saussure. 478 
Graphic determinations of stream lines in 
vortex motion. R. de Saussure. 478 
Page 
Graphic reduction of star places. E. D. 
Preston.:. 163, 448 
Gravity determinations reported by G. R. 
Putnam, Notes on. G. K. Gilbert. 61, 437 
-Additional notes on. G. K. Gilbert. 439 
— measurements, Results of a transconti¬ 
nental series of. G. R. Putnam. 31, 437 
Green, B. R.: Obituary notice of T. L. Casey, 
374, 453 
Groningen land-lease system. J. H. Gore... 450 
Gun construction, Steel cylinders for. R. 
Harkness, W.: Shade glasses for telescopes 
in observing the sun. 436 
Harrington, M. W.: Central American rain¬ 
fall...... 1, 438 
Harris, R. A.: Particular solutions of certain 
partial differential equations occurring 
in mathematical physics. 477 
— The analysis and prediction of tides. 452 
Hawaii, Language of. E. D. Preston. 492 
Hay ford, J. F.: New treatment of refraction 
in height computations. 488 
Hazen, H. A.: Aberrations of fog signals. 443 
— Electric and magnetic weather. 487 
— Evolution of a soaring kite. 464 
— Is the water level of Lake Michigan grad¬ 
ually diminishing?. 465 
— Obituary notice of, by C. Abbe. 401 
— Weather folk-lore. 474 
Helmholtz’s theory of the sun, An exten¬ 
sion of. T. J. J. See. 489 
Herzian waves, Some applications of. L. D. 
Bliss... 490 
Hill, R. T.: Geographic changes in tropical 
America in late geologic time. 466 
Hodgkins, W. C., Election to membership 
of.1. 474 
Holland, Poor colonies of. J. H. Gore. 443 
Hopi in relation to their plant environ¬ 
ment, The. W. Hough. 455 
Hough, W.: Origin and range of Eskimo 
lamp... 473 
— The Hopi in relation to their plant envi¬ 
ronment. 455 
Howard, L. O.: Obituary notice of C. V. 
Riley. 412, 453 
Influence of climate upon architecture. 
W. M. Aiken. 452 
Infra-red spectrum, More recent observa¬ 
tions on. S. P. Langley. 451 
Insane, Gheel, a colony of. J. H. Gore. 473 
International bibliography of mathematics. 
J. H. Gore. 442 
