128 
Page. 
Census, Vital statistics of the Tenth...... will 4 
Centre of population of United States......... 4 35 
United Spates....cccsccrcssrcess bsbbanekonaouaaencn ak 22 
Centres for light-,form-, and color-percep- 
AG cesnensrotunshssyassnennsn sapessaineeRaswane vii 72 
Ceremonial institutions, Origin of certain.ix 19 
Cernuschi, cited on bi-metallism............ Alii 108 
Chadwick, Lt. Com’d’r F. E., cited on sound 
SIVA BIIOS top cvcnocssccoagspedatresascsepestsveussscliy Oo 
Challis, Prof. J., ale on pinehietey siireie v 152, 154 
POV CO sas store ssnacessaarnph ease caesbenseaiassees eareneteas v 128 
Chamberlin, T. C., communication on What 
isa glacier? ADStract..........eseersees vil 38 
the varying attitudes of former level 
surfaces in the Great Lake region and 
the applicability of proposed explana- 
PLONS.) (DULG OMY isaqodessascsscaseesssaensxshi lO,.10 
remarks on the loess of Iowa and Ne- 
Dr sslidassccceuenvecceessss obonaasas Ceerecee cers iv 121 
Champlain, Ice on Lake........0.---s000 Retanaaiins fi (22) 
Changes of terrestrial level surfaces due to 
variations in the distribution of super- 
ficial matter.........css00. vii 92, 101, ix 15, 53 
Chapman’s Flora of the Southern States, 
iv 99 
Charles, Law of .........+ vaneeenanns siattss ea Vv 139 
Charleston earthquake............. ix 37, ‘38, - x 17, 28 
Charts of archwology....... peseas daetncndsveAuganatnd fi 72 
Chase, Salmon P., Resolutions on death of.4 87 
Chatard, T. M., remarks on earth, tremors, 
viii 28 
Chemical equivalency ...ccceeeseseeee seeeeeee Wid Xl Vii 
DMV ses ssa envad dnocekes aaueceaan Wade Eubeoh dantau Re aenshaenas v 135 
BIGGS Ol VALALILY; +c <ccaves=asdsvedesiacacecsccseshacnsoen v 53 
Society, Invitation from............wiii 29, ix 46 
theory of volcanism ........ Reed aac vi 90, 93 
Chemistry, Li-t of papers on: 
[exhibition of apparatus for the genera- 
tion of ozone.] B. F. Craig. Wo ab- 
BLT Dos: donansonees Cpnce er soeen arrecheL aire ee eencghe Da 
on the cause and remedy of the potato rot. 
Li. D. Gale. Title O7ty.....0 ceccossrssccevvech 97 
on the chemistry of the Bessemer pro- 
cess. C. E. Dutton. Title only......... wi 98 
on the atomic volumes of crystallized and 
double salts. F. W. Clarke. Refer- 
ENCE: .nccere avacmnone mucasesna Bi sActer tee roscn Gea eet 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- 
TiCH, -ALOSti ACE cccsacsoccccs, orsssenecessnesceace li 31 
the estimation of manganese as pyrophos- 
phate. C. E. Munroe. Communicated 
by T. Antisell. Refcrence.......0.0...ps.v0 di 132 
chemical remarks on terrestrial geogony. 
T. Antisell. Title only...........4d 132, 133, 134 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page. 
Chemistry, List of papers on—Cont'd. 
observations on “chemical molecular 
changes. T.Antisell. Title only......idi 28 
the origin of the chemical elements. L. 
FB. Ward. ‘Tetle ont}... cssssscccseseeeny Adi 33 
a case of peculiar corrosive action on me- 
tallictin. J.W. Osborne. Title only..dii Pi 
determination of the specific gravity of 
solids by the common hydrometer. 
C. EB. Munroe. Tit full... .eossssssoeeeoserse vi 26 
the periodic law of chemical elements. F. 
W. Clarke.  ADStraehisesccnscnseccteuenes vii 15 
music and the chemical elements. M. H. 
Doolittle. Abstract ...........000 eocsss WA 20,27) 
an attempt at a theory of odor. F. W. 
Clarke. <Abstract.......... cobeves WARK OT 
Chickering, J. W., communication on the 
correlation of the winds and the tem- 
peratures of the surface waters of the 
ocean along the coast of New Hamp- 
Shire. Abstract wst.cccccusscneen sabevesneaaaen Ai 17 
Luray cave. . Title Ontty ..asense:esssnavanerss iii 65 
Roan Mountain, N.C. In full.........00 iv 60 
the thermal belts of North Carolina. Ab- 
SEPOCE 0 onsecnei=arsenne ausnseseesnakteeceeenreyene wi 11 
the Muir glacier, Alaska. Title only..m 15 
Chesapeake and Ohio Railroad, Geology 
Chimera, New species Of............ 
Chinese language..........+++- 
CHitONId Sd... .sccss.<oa00-0000 sas anaanestgteeee tana 
Chorography........ oicessnsoseascauspsaine ghaasmimaeee Ahr opel | 
Christie, A. S., communication on a system 
of standard time. Abstract.......... mantic wile 
a quasi general differentiation. Title 
ONLY ..eceees aiaaeee ey ausdbasdesetnfeneeeaenee vi 122 
contact of plane curves. Abstract......wi 157 
a form of the multinomial theorem. 
Title only.....00 oa.asengsevanssadeamaeeaneen eee vii 101 
a problem in probabilities. Abstract...x 89 
remark on infinitesimals ...........cseseesseees wi 135 
ChristMas CVE MEtOOL.......00 seeceeesesece-cecnesee 4i 139 
Chronograph readings, Relative frequaney 
Of Gigits Arico scccacaccucastereeeeen hanasssansine i 85 
Circle, Quadrature Of,........0..++0+8 dideeeuntanseeaas p Gea f 
Circles related to Feuerbach’s circle.....wiit 45 
Cireular on the meteor of Dec. 24, 1873...... ii 139 
Circumference, Ratio of, to diameter.......... 2 ts 
Clark, Alvan, communication on the con- 
struction of the lenses and other inter- 
esting portions of the large telescope 
now established at the Nayal Observa- 
tory. Title only.......c.000 snachausttl coseasteedl ne 
