INDEX TO VOLUMES I-xX. 
Page. 
Henry, Joseph, communication on—Cont’d. 
electricity engendered by the driving 
belt of the machinery for ventilating 
the Capitol at Washington. Abstract.ii 40 
sound in connection with fog signals. 
PAP ERELLE Ota wanescudseadassctneaashineodsxes saaxcsnsn ii 57 
Deal-VIsions | DUtle ONUY.....-csse<sasevencessaes: ii 60 
researches on sound in its application 
to fog signals. Presidential address. 
TROP ONC COs winccecsecteszsecs Sra cetanvaeanseoes cane ae ii 60 
illuminating materials. Title only......41 71 
Crookes’ radiometers. Abstract..........41 80 
[fog signals.] Abstract......... Weesttesveacccckly, (80 
paper made of asbestos. Title only......ii 86 
scientific method and its application to 
acoustic researches in connection with 
fog signals. Presidential address. In 
MUMS esdenstadercssesesa acct 
WALCTSPOULS......ccccsececccceee 
Resolutions on the death Of......0s.seeeee li 196 
Henry, Mrs. Joseph, Death of... vw 97 
PEPETME Vp NOUGAT Sievzevcsdnescosstdecccccvepccscscaassss ii 113 
Heraclitus, cited on philosophy...... .. Wii xxxi 
Herapath, J., cited on elasticity........ feececeree v 130 
Hering’s theory Of Col0r.......s0sssecssvescccenees iv 54 
Hermann, cited on muscular contraction 
v 58, 59 
nerve currents............. arcercerpeecreaercercen 6 Lo! 
Hermaphrodite, Alleged..........scessseeeeee deconaehn OH 
Herschel, Sir John, cited on cohesion........ v 129 
NONCOitcsarassvevacasdeatases aNukepasecsesetussaces v 151, 153 
MANY Scaaseeses ances Seccects suasacxeadsesacecusaauccsonancsec v 169 
RUNMGALC Mit Oa cusdeddectivercercteoeccescceseassW LLG 
satellites of Uranus...............+4 
temperature of space.... 
TIOOLY OL GLLOMS<, casas saccsucarsxereesesse wi 138, 140 
Herschel, Sir William, cited on relation of 
DSTO HPAL csavcsesersctesssecsvdesdssescaccaseen'™ LOS 
Satellites Of UTanus.........0scececcssssereseeese-d (30) 
PUMP tenceraaseecarsestuscasvebvagsedbvcresratcssvaenc ii 102 
Saturn’s ringS........0. Srosoeoocncen ppccanecereo wi 43 
BEISH-heeled SHOCS....ccscccersssesonscccpecseseosseeccW LIT 
High power definition.................. Ssantivenansaee i 47 
PRIN SIGrraSlACICLS 00... cccveccccdsbesecutercoocas wii 5 
Hilgard, J. E., cited on earthquake tides...w 144 
communication on the distange trav- 
ersed by approaching the North Pole 
on aloxodromic curve. Title only.....i 21 
achronograph. Wo abstract.............00+ i 22° 
the geographical centre of the United 
BGSteR a CA OBETECE.cacscesscncotseasverere Crete 124 
147 
Page. 
Hilgard, J. E., communication on—Cont’d. 
achronoscope. Wo abstract......ccccccseeees #223 
the distribution of the population in the 
United States. Title only ..........0006 0 i 29 
an exponential formula having reference 
to the tolerance allowed at the U.S. 
WINGS TULLE Oa. newecevestonscedsocscessecver>s i. 31 
the westward movement of the popula- 
tion of the United States. Reference.i 3 
the aurora of February 4th. Abstract...i 47 
Hindoo arithmetic. Title only.............- i 53 
the recording systems of the trans-At- 
lantic cables. Title only......s.cccseesseeees bbs 
the Goldschmidt aneroid barometer. Vo 
GDSENGCE.......000000 Selaaivancauavaeaceneneeneretncnces i 65 
the proceedings of the International 
Metrological Commission. Title 
ONLY....000 Mianeaaadanneae Octo oertenseosaenenabc receieros 
an inquiry into the law of probability. 
DULG, ORG Sreacvcsstteeyvacsscessoeseseensadteyataen’ i 34 
the air thermometer of Prof. Jolly. Title 
OTe cnvaacmuseunenecarsenace van suscsesa oecasearareenenee i 89 
the recent determination of the longi- 
tude between Paris and Greenwich. 
Title only .......00.0 Ssecataceacenrsceesanessnaucases i 89 
recent experimental researches in 
acoustics, by Prof. A.M. Mayer. Title 
OM far ssuseen eertdewccsesasesl witesccsicctnewminatceete i 90 
the determination of the personal errors 
in the observation of astronomical 
transits. Title only....... eiabbsserssanceuae sek 92 
f& new apparatus for the investigation of 
personal error in astronomical transit 
Observations. Title o7ly......ssseceeseeees i 106 
a proposed reformation of the Gregorian 
Calendar.) ADStract:.:....ssstscnecscadesce ii 29, 30 
the proceedings of the International 
Metrical Commission. Title only.....di 41 
iron facing copper plates. Abstract....ii 42 
the measurement of a base-line for the 
primary triangulation of the United 
States Coast Survey near Atlanta, 
Georgia. Abstract and reference........ di 50 
standard scales, or measures of length. 
Abstract....... dazaabeencyenactscedeseteene ee neers ii 136 
an optical salinometer. Abstract......... ii 185 
Jablokoff’s electric candle. Title 
ONLY... 00000 ateecne meadadicnaevescetherreuatecsatenG iii 19 
phosphorescent clocks. <Abstract......i4i 33 
remarks commemorative of Jonathan 
Homer Lane.) Ft! fublcccic. .ccccsscncsctes iil 122 
a model of the basin of the Gulf of Mex- 
1COs ~ADSPRACE :ctcctsecnersee seveucee eareeeny wiv 52 
Siemens’ deep sea thermometer and 
Carré’s ice machine. Title only,........ v 100 
FEMALES ON DULOLAS....0c0.ceevsescesccesen eee wel 46, 48 
