128 
PHILOSOPHICAL SOCIETY OP WASHINGTON. 
Page. 
Census, Vital statistics of the Tenth.viii 4 
Centre of population of United States.I 35 
United States.i ‘^2 
Centres for light-, form-, and color-percep¬ 
tion .vii 72 
Ceremonial institutions, Origin of certain..ix 19 
Cernuschi, cited on bi-metallism.iii 108 
Chadwick, Lt. Com’d’r F. E., cited on sound 
anomalies. v 34 
Challis, Prof. J., eife<d on elasticity.v 152,154 
force.V 128 
Chamberlin, T. C., communication on What 
is a glacier? Abstract .vii 38 
the varying attitudes of former level 
surfaces in the Great Lake region and 
the applicability of proposed explana¬ 
tions. Title only .ix 15, IG 
remarks on the loess of Iowa and Ne¬ 
braska.iv 121 
Champlain, Ice on Lake.il (22) 
Changes of terrestrial level surfaces due to 
variations in the distribution of super¬ 
ficial matter.vii 92.101, ix 15, 53 
Ch.apman’s Flora of the Southern States, 
iv 99 
Charles, Law of .v 139 
Charleston earthquake.ix 37, 38, x 17, 28 
Charts of archteology.ii 72 
Chase, Salmon P., Resolutions on death of..i 87 
Chatard, T. M., remarks on earth tremors, 
viii 28 
Chemical equivalency.vii xlvii 
rays.v 135 
side of vitality... v 53 
Society, Invitation from.viii 29, ix 4G 
theory of volcanism.vi 90, 93 
Clicmistry, LLt of papers on : 
[exhibition of apparatus for the genera- 
tion of ozone.] B. F. Craig. No ab¬ 
stract .i 52 
on the cause and remedy of the potato rot. 
L. D. Gale. Title only .i 97' 
on the chemistry of the Bessemer pro¬ 
cess. C. E. Dutton. Title only .i 98 
on the atomic volumes of crystallized and 
double salts. F. W. Clarke. Refer¬ 
ence... .i 103 
on the molecular heats of similar com¬ 
pounds. F. W. Clarke. Abstract .i 104 
on the coloring agent of gems. F. M. End- 
lich. Abstract .ii 31 
the estimation of manganese as pyrophos¬ 
phate. C. E. Munroe. Comniunicated 
by T. Antisell. Reference .ii 132 
chemical remarks on terrestrial geogony. 
T. Antisell. Title only .ii 132,133,134 
Page. 
Cliemisti’y, List of papers on—Cont’d. 
observations on chemical molecular 
changes. T. Antisell. Title only . iii 28 
the origin of the chemical elements. L. 
F. Ward. Title only . iii 33 
a case of peculiar corrosive action on me¬ 
tallic tin. J.W. Osborne. Title only..Hi 44 
determination of the specific gravity of 
solids by the common hydrometer. 
C. E. Munroe. In full .vi 2G 
the periodic law of chemical elements. F. 
W. Clarke. Abstract .vii 15 
music and the chemical elements. M. H. 
Doolittle. Abstract .vii 26, 27 
an attempt at a theory of odor. F. W. 
Clarke. Abstract .viii 27 
Chickering, J. W., communication on the 
correlation of tke winds and the tem¬ 
peratures of the surface waters of the 
ocean along the coast of New Hamp¬ 
shire. Abstract .ii 17 
Luray cave. Title only ..iii 65 
Roan Mountain, N. C- In full .iv 60 
the thermal belts of North Carolina. Ab¬ 
stract .vi 11 
the Muir glacier, Alaska. Title only...-x. 15 
Chesapeake and Ohio Railroad, Geology 
along.ii (26) 
Chesapeake Bay geology.x 16 
Chico group in Northern California.ix 4 
Chimaera, New species of.ii 182 
Chinese language..ii 28 
Chitonidee.;..ii 193 
Chlamydoconcha Orcutti.viii 5 
Chorography.x 14 
Christie, A. S., communication on a sj'stem 
of standard time. Abstract .v 112 
a quasi general ditferentiation. Title 
only .vi 122 
contact of plane curves. Abstract .vi 157 
a form of the multinomial theorem. 
Title only .vii 101 
a problem in probabilities. Abstract...ic 89 
remark on infinitesimals.vi 135 
Christmas eve meteor. ii 139 
Chronograph readings. Relative frequency 
of digits in.i 85 
Circle, Quadrature of.i 57 
Circles related to Feuerbach’s circle.viii 45 
Circular on the meteor of Dec. 24, 1873.ii 139 
Circumference, Ratio of, to diameter.i 57 
Clark, Alvan, communication on the con¬ 
struction of the lenses and other inter¬ 
esting portions of the large telescope 
now established at the Naval Observa¬ 
tory. Title only... .1 92 
