INDEX TO VOLUMES I-X. 
Page. 
Storm centres, Retardation of........ ev 108 
BSPOLINS ANGAUTOTAS...vccosseceseccseclhucvcesertse csehes a 45 
EUW OL vaste Atavus pesakhatencdntuassvecesveucossuncazesces 
Thunder 
Storr, Dr. G. C. C., cited on the classification 
of mammals....... Bosnecartet ap seube cet eeacaathed fi (3) 
Strata exposed in shaft of water-works ex- 
HOUIBION sbseticteccsscs ceearedecanteoearstase cect vii 69 
Struve, Otto, cited on determination of 
planet’s mass from observations on 
RPLDCNI UGGS se ecetcrassscvecses- cer ucaess cesses eterst wi 132 
Satellites) of Uranus. ...c....esccsesscocscecescnses 
SARC OSsantcnsseacaccss<csscusesbooesebssans 
Stryker artesian well............. 
BUWDStRNGO.i..2.00acccesses nuccheecrae os 
Sugar beet culture and climate........... seoeokdd 142 
from sorghum........... Gaeetasemavensnerteesaneh iii 140 
Sumner, W.G., cited on bi-metallism...... ili 84 
Sumner’s method in navigation... ......... 44 105 
Suan, Heat Of.ic..<05025 00000 Bs cpestenenitcttedetschassencns i. SE 
viewed by light of any desired wave 
COTrOna::.2i.55 Ricdbarasesuehi cawepstsssscnes 431, 411 116, 121 
Surplus, Proposal to distribute the........... vi 103 
Sweeping mechanism. fii 142 
Swift, Dean, cited on the scientific crank, 
viii xl 
Swift's comet, Orbit of...........sccssssscecesssneds iv 59 
Swordfish and its allies...............c.cssseeeeees iv 162 
Sylvester, J. J., communication on the 
theory of invariants. Title only....... fi 95 
Trisection linkage Of.............0044.. 99 
Symbols, Archeologic........... aioccasavedcekontonesy 72 
Symons, Prof. G. J., Bibliographic work of, 
x 21, 23 
Symposium on the cause of the glacial cli- 
MI FEED ceceatace nu antasucatencdiehsdauepeeacauess sees ii 43, 45 
the silver question.....s00.seceee eeseee df 78, 107 
the Charleston earthquake ix 37, 38 
Whats TOpOLrapny 2 eccisac.sedestecccesscesseee x 14 
a problem in probabilities... ..............% 87, 89 
Systems of mineralogy........0. secce oe maakastvaanse rir 
Taconic system of Emmon........... Rsalicsvones 6 
Tainter, S., Photophonic experiments by. 
iv 145, 150 
Tait, Prof. P. G., cited on force..v 128, 152, vii 29 
Talbot, H. F.,cited on the history of Mal- 
fatti’s problem.......... mies aatiane peeecdes coos dd 114 
PUP OUU A TOL asc ncreiectntgacscoscwscivesresecusves x 91 
Target-shooting and the theory of errors..vi 138 
Taxonomic terms of Storr...... seeeers(T) 
Taylor, F. W., Analysis Dy.....sccsesessssseees vil 32 
171 
Page. 
Taylor, W. B., communication on the nature 
and origin of force. Abstract and ref- 
EPENCE...00000 paceniaecd cass Hwacesoaseceaascenedae nas Ak 27 
the aurora. Abstract 43 
our present knowledge of the planet 
Jupiter. Title only........0.- sacunewakeeutnsee i 62 
waves, molecules, and atoms. Abstract, 
i 66 
a calendar proposed by a Persian astron- 
omer in1079. Abstract....... a sacavadicees ii 38 
the causes of the glacial climate. Ab- 
SETACT....008 Chee Byaennesnceneseesdseanataeds ii 43, 46 
acoustic refraction. Abstract.............. ii 57 
the temperature of space. Abstract.....ii 73 
Joseph Henry. Asketch of his scientific 
WOT. Tit fiill...rccccerecocssoroseeseseese 203, 230 
a panoramic photograph. Abstract.....v 21 
the total lunar eclipse of June 11, 1881. 
A DSU GC hisestenatascssesesssysayer Ab Secctenericd v 90 
aremarkable halo. Abstract..............- v 112 
physics and occult qualities. Presiden- 
tial address. In full... Revecearens Vv 125, 126 
the rings of Saturn. <Abstract............ vi 41 
a case of discontinuity in elliptic orbits. 
PAUSUL.W.Clcacnucsovaneossenscssevhstheveisexsctsenes vii 122 
geological and physical theories. Ab- 
the crumpling of the earth’s crust. Ab- 
SERACE.ONA TEFETENCE, .c.cesercsscensusteres viii 18 
slight modification of the Newtonian 
formula of gravitation. Abstract...viii 39 
Professor Baird as an administrator. In 
NfUillecwokcnunvardaessads vreddswaesnpenanvun wacvemsensterd x 49 
remarks on calendar reform.......... sees ii 30 
interior Of the Carth.......ccscccscsersssesces i176, 77 
MALI OMI GLO. oc cchtacnscwsvorscuenocssneresscrensteaey ii 80 
Planetary MOtIONS............02 cesses seeeee ii 188, 189 
amplitude of light waves..... ........44l 120, 125 
death of J. H. Lane.......... iene senevasebengeae tii 124 
taboo.........00. Gavcceuanvaunepuarersscedepspneteses .Lii 138 
Henry’s acoustic researches.... .......... iv 140 
TACLOPWOWYseveccacssccescscotccsashenerscucsssisstayy iv 162 
anomplies of sound v 37 
DINALY STIGHMETIC! i. cleccsscccsecee say vencyenn Wie tg 
Sling thermMOmMete’.......cscssscsssssecssseeses vi 47 
SBPELITGES(OLDITS.<:cccsecosen cosvsie>nanensvuvaccss wi 133 
WL NITCSIMAL SI cs cescdassvervosscasusuenevwsvabssa wi 135 
BUN! SLOWS siasctusantouccctecs vebench acevateaveenys vii 35 
topoOphone.......ssecseeeeee whsdutusspsseenatceees viii 13 
resolutions on the death of G.C. Schaeffer, 
i 90 
Telephone, Exhibition Of...............sses00 ii 67, 103 
COMMENES ON Neintsscssdonccsanasnacyueceseasesveees ii 111 
Telephonic study of binaural audition......ii% 69 
PelopHotescisc!dasvecscdsesacercubsnatecestae'steeys . ki 192 
Telescope for Naval Observatory.............. i 62, 63 
