132 
Page. 
Dall, W. H.: recent advances in our knowl- 
edge of the limpets.............06 pkinvenseahs aeouey 1k 
— — — What is a glacier ’?....... ploucsiiensessrewatseue 38 
—remarks on Alaskan volcanoes... 34 
— — — deflection Of rivers... .......eeccecesseeceveee 24 
— — — Crifting Of DUOYS......scercerceccecer see cence ys a6 
— — — tOFNAOEB...... ...ccscseececceceecncencees aanealave 3 
Dalton, John, contribution to atomic the- 
GEV edcccuchracscspseusveanvsanencs spavhunsavecce xlvii, 1, lvi 
Darwin, Cited On GEMMULES .....cereecrereeerrees lili 
Death of Gen. Benjamin Kivauas ey GP 82-7 4 
—— Gen, O. E. BabcCock...ccccssssrscsccscccsrsscvsece 72 
—— H. W. Blair.......000 iethaseeue aecanabaten' divalaterigl 
— — Gen. Chas. EWing...........ccsseesceeseees assis Kite 
—— Gen. A. A. Humphreys.......0:0.6 vans .3, 4 
— = Dr. Ji J: WOOAWANGL. cccisssccssissreoccssccecsesee 02 
— — — Resolutions CONCErNiNG.......sereeeeree 75 
Deceased members, List of....... .-Xxiii 
Deflection Of rivers.....ccccccssscesseecceee senatacneaeeh 21 
Deposits of voleanic dustin the Great Basin. 18 
Dewey, F. P., Election to membership of..... 36 
Dilier, J. S.; communication on the voleanic 
sand which fell at Unalashka Oct. 20, 1883, 
and some considerations ee its 
composition.. en sdeeeusadrereey OO 
— Election to metabareiin ‘of deapansaceaadeencuvetamere 
Discontinuity in elliptic orbits...... cee ee 
Discussion of a concrete problem in hydro- 
statics proposed by Mr. G. K. Gilbert..... 101 
Diversion of water-courses by the rotation 
OF the CAarthi....iscccvecsesscvsescosscens Saueeu se oeyesny 21 
Doolittle, M. H.: communication on the 
verification of predictions............se+seeees 122 
— —— music and the chemical elements.... 27 
Dust, Volcamic..........cccccsescecccesesesreceeones seevrsvlOy Oo 
Dutton, C. E.: communication on the volca- 
noes and lava fields of New Mexico........ 76 
— —— What is a glacier ?.,....cccccsscssccccssssneese 39 
— remarks on the forms of continents ........ 24 
— — — — Navajos as scientific observers..... 74 
— — — PeCtrOZraphy.......cceccerseeeesseeceesecseracecee 36 
— — — SUN-ZIOWS.......:.ceeeeeceeeee ceeneee eospies eeckcs 35 
Earll, R. E., Election to membership of....... 72 
Earthquake of Sept. 19.......cccccessssereeeeees Went 73 
Eastman, J. R.: communication on a new 
WNGGOOTTEC sis. iscvaysasveccnchscconse tenses snacauveaesscre 32 
——— the Rochester (Minn.) tornado........ 3 
Eimbeck, William, Election to membership 
Olccctnsccsatidaceeouvteapeste Ravatntny tavavsoaaveusssaese 26 
Election of officers...........ssees0 evedeavasesenedhae 82, 87 
—— new members....xi, 5, 10, 15, 18, 21, 25, 26, 32 
36, 72, 81 
Electric Lighting. .ccsrccsccccscsescsccscccccesecnscnccerse OO 
Elements, Periodic law Of.........:.ss000+ ceanencces 15 
Elliott, E. B.: calendar for the use of the 
society ...... bas cesneeeuse aevadaansis in ceeunente wdaepecceeakid 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page, 
Elliott, E. B.: communication on electric 
Tigtin es cei cepcceesp sere Cassnneee poennt espe euacenesnean 
— memorial to General Alvord..............css008 
— remarks on the etharmonic organ........0. 
—— —— irrigation of the upper Missouri 
WAL Ys icesdivecuacsss ae soseeassy 
— — — BSUD-GIOWS... ccccsccerceccesereeee dusia taxes eapone 
— — — tornadoes.,.........sceeeeeeee paceandeenre Saucueee 
Emmons, S. F.: communication on What is 
&) WlACISL Pics. coc sasestescdoccvensssceseusteranere 
— remarks on glaciers............. porwivossaasnanien 
Empirical formule for the diminution of 
amplitude of a freely-oscillating pendu- 
80 
28 
Henne eee eeeeeereeeenes 
20 
17 
3 
seeeee 
of 
Ewing, Charles, Death of............... dapetneanaee xxiii 
Existing glaciers of the High Sierra of Cali- 
FOVTIIG toes cnaceccnvew sansco advdes vector ds teen iabese 5 
Eyes of animals, why they shine in the 
dark.......... Snersseoeeunnene an waivakaegyl aiseatdeaeiaed 
Faraday cited on the nature of matter........ 5 
Farquhar, Edward: remarks on ocean cur- 
rents... peeumned ancanvesenee, 
a tanneninns seuuseosisedssspaneetelQwiawae heanepaven 3 
———the late Dr. Woodwaraelt podeseontsastate ; 
Farquhar, Henry: communication on em- 
pirical formule for the diminution of 
amplitude of a freely-oscillating pendu- 
lum... mo ays aaeaue 
oe the ihooretiesl ‘disohinslon in Prof. Py 
G. Tait’s Encyclopedia Britannica article 
on mechanics..........-+« eabvalunelee sipplbunebemeetin 
— election as Secretary of the Mathemati- 
cal Section ........... seccsensecucel on beecsiunnWeneneas 87 
— remarks on drifting of buoys........ apeeutasee 15 
— report as Secretary... wicevesubeauneas xxiii 
Ferrel, William, cited on rotational deflee- 
SOOO ee eee tee eeeneeennsee 
we nee anennee coves 
29 
Finley’s tornado predictions 
Fisheries exhibitions............... 
Force, Reality of......:.....-0« be 
Form of the multinominal theorem........ pace) LOL 
Formula for the length of a seconds-pen- 
QUIDM scsenes s cuubkvanwdueeeeepteny 
Formule for computing the position of a 
BALCLILUC. ..<csccsneccnccseotineensesnensennenen 
101 
eee eeeeee ee eeeesenee 
sescenatvieeene 
General Meeting, Bulletin Of.............ccc00.eee0 1,3 
Geological section of water-works shaft......69, 70 
Gihon, A. L.: remarks on the late Dr. J. J. 
Woodward... sCekvonsiadacke tenant 
Gilbert, G. K.: communication on a concrete 
problem in hydrostatics..........seecereeseeee 
— — — the diversion of water-courses by the 
rotation of the earth....... 
cecccees cov eceveccsesas 76 
92 
Senne ren nereeeseseeeees 
0 ee 
———- = 
