e 
134 PHILOSOPHICAL 
Page. 
NOW MEMDETS.....cccsccrcccrecscccccsncccccesesescecscess xxiii 
— MEtCOTIEC.....0ccceecescccssccccsccrsccccccs coccsesecccces 32 
— Mexico, Volcanoes Of,.........ccessccseecesser coesee 
Newton, cited on atoms 
Norris, Basil, Election to membership of..... 25 
North Carolina, Mica mines Of......cec.seeseseeees 9 
OCEAN CUTLeNtS.........csecccccrccccerecserccsssaceesceees 
Officers, Election of.. 
RUN ASU Olsvouusssiececenaescudcccseseds'sraene sens ea 6 pe '¢ 
— of the Mathematical Section.............. 85, 86, 87 
Ogden, H. G., Election to membership of... 15 
Paul, H. M.: remarks on earthquakes........... 73 
— — — equipotential surfaces.........seeveeee. 92 
— — — SUN-ZlLOWS... ceesee eee SRSECCERC 35 
Peirce, Prof. Benjanien, eited’o on n the intHineio 
OQUALION........crscseccscncvecncnncunseeesess onceee cones 87 
Peirce, C. S., cited on pendulum observa- 
TIOIS.0...c0ccsesecneccscesecscenceeeccconscsansscncessconsce 90 
— — — the verification of predictions....... we. 124 
Pendulum, Formula for diminution of am- 
plitude of oscillation Of......csssecceseseesseere 89 
Periodic law of chemical elements.... 15 
Petrographic Methods.........seseseeeeseeee 36 
Physical basis of phenOMenA...........esee0+e0+0e 40 
— and economic features of the upper Mis- 
SOUL SYStOM.......cceccecccrensscesssesseccacscsceeres 20 
Plan for the subject bibliography of North 
American geologic literature..........s.sc00- 71 
Plateau COUNtTY........+0 Rare eunaeaeenecketnteennesses 76, 79 
Powell, J. W.: communication on a plan for 
the subject bibliography of North Amer- 
ican geologic literature.......... O nanestesievaca 71 
— remarks on the distribution of eruptions. 179 
— — — ZIACICTS........s020ccecerercereteeserenesseesecerees 8 
— —— the history of the society................. 81 
— = ——Jate Dr, WOOGWALG...cccccec-0-4- 
Predictions, Verification of..... ... 
Presidential AdALeSS......0. sesseeee 
Problem of the knight’s tour 
Pumice, Formation of........ Suncaseesen seseeeee20, 25, 26 
Quadric transformation of elliptic integrals, 
combined with the algorithm of the 
arithmetico-geometric MeAN............+. 102 
Ray, P. H., Election to membership of......... 5 
Recent advances in economic entomology... 10 
— —— our knowledge of the limpets........... 4 
Relation between northers and magnetic 
disturbances at Havana.....ccccsccsssescesereree 25 
Report of Secretaries.........ssseseeereeeereers xxiii, 82 
mere TNGASUUOD sc cccunescverosccvecscsanvsessersna xxiv, 15, 82 
Review of the theoretical discussion of Prof. 
P. G. Tait’s Encyclepedia Britannica 
article on mechanics...... 
snoscsccenecccsecscenese 0 
SOCIETY OF WASHINGTON. 
Page. 
Ricksecker, Eugene, Election to member- 
ship of........ as Sedacageeceuersl 6, sccussceoaisaetaeentene - 18 
Riley, C. V.: communication on recent ad- 
vances in economic entomology...... newved 10 
— remarks on the irrigation of the upper 
Missouri valley eae 
Rivers, deflection Of.............sscssses ainveaGanainvatten 21 
Robinson, Thomas: communication entitled 
Was the earthquake of Sept. 19 felt in 
the District of Columbia?...............ss.0. 73 
—— on the strata exposed in the east shaft 
of the water-works extension.......... Ronee!) 
— election to Membership..........cseeseceeeeees is 10 
— remarks on the deflection of rivers.......... 24 
Rochester (Minn.) tornad...........cccccccsessee o 
Rotation and rivers...........0..-.0ses 
Rules for the publication of the Bulletin.... xiii 
— of the General Committee......... Sedicey Le 
— — — Mathematical Section............02e20 85 
— — — SOCICtY... .cerecrereee sa badeeabeeeentreeene wade: SE 
Russell, I. C.: communication on deposits 
of volcanic dust in the Great Basin...... 18 
— — — the existing glaciers of the High 
Sierra of California....... 5 
— — — What is a glacier?........... sesegeseosees see BT 
Sand, Volcanic.......:....s0:.sccssscsssesessussesess Percent 
Satellite, Computation of position of a......... 93 
Seales, Musical......... pusvocsncnshaseascaersstec annie nena 27 
Secretaries’ report... ue et 82 
Sierra Nevada Paes snes ceeneuareeeemmnaes 
Some eccentricities of ocean 1 ope Sseaenes poms 
Standing rules of the General Committee..... xii 
— — — — Mathematical Section............... seus uae 
—— — — Society........ 6 sssewencses sess anes teneEmtnena ix 
Stearns, R. E. C., Election to membership of. 81 
Strata exposed in the east shaft of the 
water-works @XteNSiON.......s0:ceccecseeserseeee 69 
Sun-glows ...... aitisin sive Sannes tease eee scuccns aseneoliig OD 
Tait, Prof. P. G., on mechanics; reviewed.... 29 
Taylor, F. W.: analysis of meteorite............ 32 
Taylor, W. B.: communication on a case of 
discontinuity in elliptic orbits.............+.. 122 
— remarks ON SUN-G1]OWS......cceseeee-ceeeeees aaeaneah eee 
Thermometer exposure... weeks sae) OD) 
Thompson, Gilbert, Election me ‘member- 
ship of... necekbndees . 18 
— ponekeat on a vlagtere. a 8 
Toner, J. M.: remarks on nthe Tate ia “Wood: 
ward... 
Tornado a ‘Rochester (Minn. ee 
Treasurer’s report.......seceeseeeee 
Volcanic Gust........ssccscssssessocssssescesereceeseessesel Oy OB 
Verification of predictions... 
ae 
