INDEX TO VOLUMES I-X, 
147 
Page. 
Henry, Joseph, communication on—Cont’d. 
electricity engendered by the driving 
belt of the machinery for ventilating 
the Capitol at Washington. Ahstract.Xi 40 
sound in connection with fog signals. 
Reference .li 57 
half-vision. Title only .ii 60 
researches on sound in its application 
to fog signals. Presidential address. 
Reference .ii 60 
illuminating materials. Title only .ii 71 
Crookes’ radiometers. Abstract .ii 80 
[fog signals.] Abstract .ii 85 
paper made of asbestos. Title only .ii 86 
scientific method and its application to 
acoustic researches in connection with 
fog signals. Presidential address. In 
full .ii 162 
Memoir on the scientific work of.ii 230 
Memorial services of. iii 27 
Portrait of..ii frontispiece- 
remarks on auroras.i 46, 48 
Japan.ii 71 
waterspouts.ii 105 
Resolutions on the death of.ii 196 
Henry, Mrs. Joseph, Death of.v 97 
Henry Mountains.ii 113 
Heraclitus, cited on philo.sophy.vii xxxi 
Herapath, J., cited on elasticity.v 130 
Hering’s theory of color.iv 54 
Hermann, cited on muscular contraction 
V 58, 59 
nerve currents.v 61 
Hermaphrodite, Alleged.i 24 
Hersehel, Sir John, cited on cohesion.v 129 
force. V 151,153 
laws.-v 169 
standard time.v 115 
satellites of Uranus.i (.30), (34) 
temperature of space.ii 73 
theory of errors.vi 138,140 
Hersehel, Sir William, cited on relation of 
light to heat.v 135 
satellites of Uranus.i (.30) 
Saturn... ii 102 
Saturn’s rings.vi 43 
High heeled shoes.v 117 
High power definition.i 47 
High Sierra glaciers.vii 5 
Hilgard, J. E., cited on earthquake tides...v 144 
communication on the distance trav¬ 
ersed by approaching the North Pole 
on a loxodromic curve. Title only .i 21 
a chronograph. No abstract .i 22 
the geographical centre of the United 
States. Abstract ...*.i 22 
Page. 
Hilgard, J. E., communication on—Cont’d. 
a chronoscope. No abstract . .....i 23 
the distribution of the population in the 
United States. Title only .i 29 
an exponential formula having reference 
to the tolerance allowed at the U. S. 
mint. Title only .i 31 
the westward movement of the popula¬ 
tion of the United States. Reference..i 35 
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 .i 53 
the Goldschmidt aneroid barometer. No 
abstract .i 65 
the proceedings of the International 
Metrological Commission. Title 
only . i 68 
an inquiry into the law of probability. 
Title only. . 1 84 
the air thermometer of Prof Jolly. Title 
only . i 89 
the recent determination of the longi¬ 
tude between Paris and Greenwich. 
Title only ... i 89 
recent experimental researches in 
acoustics, by Prof. A. M. Mayer. Title 
only . i 90 
the determination of tlie personal errors 
in the observation of astronomical 
transits. Title only . i 92 
a new apparatus for the investigation of 
personal error in astronomical transit 
observations. Title only .. i 106 
a proposed reformation of the Gregorian 
calendar. Abstract .ii 29, 30 
the proceedings of the International 
Metrical Commission. Title only .ii 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 .ii 50 
standard scales, or measures of length. 
Abstract . ii 136 
an optical salinometer. Abstract .ii 185 
Jablokotf’s electric candle. Title 
only .iii 19 
phosphorescent clocks. Abstract .iii 33 
remarks commemorative of Jonathan 
Homer Lane. In full .iii 122 
a model of the basin of the Gulf of Mex¬ 
ico. Abstract .iv 52 
Siemens’ deep sea thermometer and 
Carry’s ice machine. Title only .v 100 
remarks on auroras.i 46, 48 
