PROCEEDINGS, VOLS. 1-50 



GOLD-GROSS 



Gold (continued). 



— mines of California, effect of, 

 upon the value of the precious 

 metais. 5, 148. 



— -natural dissemination of, 8, 273. 



— San Domingo Rhodium, 11, 439. 



— sand from Philadelphia, 11, 439. 

 Goodale, George Lincoln, influence 



of Darwin on the natural sciences. 



48, 15. 



Goode. G. Brown. literary labors of 

 Benjamin Franklin, 28, 177. 



Goodspeed, Arthur W.. properties of 

 the held surrounding a Crookes 

 tube, 42, 96. 



Rontgen ray, 35, 17. 



Goodwin, Daniel R., obituary notice 

 of, 28, 227. 



. of Ed. Hitchcock. 9, 443. 



, of Samuel Vaughan Mer- 

 rick. II, 584. 



Goodwin. Joseph H., electrolytic cal- 

 cium, 43, 381. 



Gortyna and allied genera. 39, 346. 



Gowen. Franklin B.. obituary notice 

 of. 28, 61. 



Gradients, computation of the effect 

 of. 12, 9. 



Graff. Frederick, obituary notice of. 

 28, 104. 



, of Strickland Kneass, 21, 



451- 



Graham. James D.. contributions to 

 geography, 6, 347, 352: 7, 25. 123. 



earthquake, 2, 259. 



— - — electrical telegraphic determina- 

 tion of longitudes, 6, 312. 



-lunar tidal wave in Lake Michi- 

 gan, 7, 378. 



-magnetic dip, 4, 205. 



-northeast boundary, 4, 53. 



reflectors. 2, 260. 



Gramophone. 24, 420. 



— and telephone records, possible 

 methods for preparation of, 25, 144. 



Grapeville gas wells, 29, 11. 



Grating, elliptical interference with 

 reflecting, 50, 125. 



Gravels, auriferous, in North Caro- 

 lina, 19, 477. 



Graveyard, ^^lerovingian, 10, 3. 



Gravitating waves, 14, 344. 



Gravitation, 18, 41. 



Gravity, correlation of. with the ver- 

 tical deflection of needle, 10, iii. 



— cosmical relations of light to. 11, 

 103. 



— determination of, by means of 

 pendulum apparatus, 32, 84. 



— relations of magnetic declination 

 to. 10, 97, III. 



— • and density, relations of tempera- 

 ture to, 10, 261. 



Gray. Asa, early botanists of the So- 

 ciety. 18, 535. 



Green. Samuel A., Benjamin Frank- 

 lin, printer, patriot and philosopher, 

 32, 4-2- 



Green, William H., action of hydro- 

 chloric acid and chlorine on aceto- 

 benzoic anhydrate. 19, 13. 



— — dibenzyl, 18, 345. 



— • — dioxyethyl-methylene, 18, 346. 



saligenin, synthesis of. 18, 451. 



Greene, General Nathanael, calendar 

 of correspondence of, 39, 154. 



Greenland, Danish explorations in, 

 22, 280. 



di Gregorio, ]vlarchese Antonio, 

 names of animals and plants erron- 

 eously paired in synonymy, 42, 263. 



Gregory. Henry D., obituary notice 

 of, Memorial Volume, i, 123. 



Gresham, law of, 47, 18. 



Grit, millstone, 9, 197. 



— Schoharie, equivalent of, in middle 

 Pennsylvania, 20, 534. 



Gross. Samuel D., obituarj- notice of, 



22, 7?,. 

 , of Charles Wilkins Short, 



10, 171. 



