138 
. 
Page 
Galen, cited on life......... bebantesccadctboatsuasceades v 51 
Galileo, cited on Saturn’s rings........cceeeeee wi 44 
Gallaudet, E. M., communication on uncon- 
scious cerebration. Title only........ ii 48 
the international convention of the 
teachers of the deaf and dumb, at 
WMitians A-AUSUP GCE octet vanacasdeeasence saness iv 55 
remarks on gesture language and visible 
BPGCOM as. coscsnsenssoycencesenssruyawenspbbenese vi 77 
Gamgee, A., cited on muscular contrac- 
GION ceiececececncce ccscccncupsvsacnesqscceuvcoscsss v 59, 60 
NETVE CULLENtS........ccceee rocactachceccnichenre v 62 
Gardner, J. T., communication on the use of 
railroad levellings in determining ele- 
vations on the great lakes and rivers 
in the United States and in the Rocky 
Mountains. Abstract and reference..ii 23 
Gaseg) Theory Ofeiipscsiewsteessessess ssanesasccseaecoee v 138 
Gauss, cited on computation of 7.............. i 59 
Ganga aon rire condos cecctnce tees senanes coteee vii 102 
method for computing variation of ele- 
MON tS/Of An) OFDiti ccceccsreccsosecaseesesste viii 41 
ATANSLOFMALION <. ...ccccccsecccoscesscssees stisance Wan 110 
Gay-Lussac, Law Of..........-066 dvunad eaaeaesspisasse 
General committee rules. 
See Standing 
Rules. 
Gentile system of the Omahas........... wee did 128 
Geographical distribution of mammals......4i 26 
terms and fishery treaties....... piasbaures eagened i 39 
Geography, List of papers on (see also 
Oceanography and Seismology) : 
official report of the Yellowstone expedi- 
tion of 1870. G.C. Doane. Communi- 
cated by S. F. Baird. Reference..........4 21 
[exhibition of map of the headwaters of 
the Yellowstone and Lewis rivers.] M. 
C. Meigs. Vo abstract............+ pseiaateey a, 21 
‘geographical centre of the United States.] 
J. EB. Hilgard. ADstract.......ecrosseecccess i 22 
on the results of travels in Alaska and the 
determination of the position of Fort 
Yukon. C. W. Raymond. Communi- 
cated by T. L. Casey. Reference.......... i 22 
[exhibition of dust from Armenia.] T. 
ANItISCNIE)) 2VO QDSEF UCT. ccovcnssacscsnecosoeces a 25 
on the relative value of Alaska to the 
United States, as compared with that 
of other territorial acquisitions. W. 
H. Dall. Abstract and reference.......... i 25 
on the distribution of the population of 
the United States. J. E. Hilgard. Title 
ONY acasusce casteu so puedeapancciaynnsnaceunesenettonsstat i 29 
on observations made on a journey to Cali- 
fornia. J. Henry. Title omly.............. i 31 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page. 
Geography, List ofpapers on—Cont’d. 
on the westward movement of the popula- 
tion of the United States. J. E. Hil- 
Bards, WeEfEr encecsscssicossexconsavascusnteceeenae 
on the misapplication of geographical 
terms, as bearing especially on the 
question of the fishery right treaties. 
R. D. Cutts. Abstract.........0 odairaegeree 
recent explorations in Syria under the 
auspices of the Palestine exploration 
fund. Prof. Porter. Title only..........4 
on certain recent geological and geograph- 
ical researches in Arizona and Nevada. 
G.K. Gilbert. Abstract....:.:.ccs-csesessorl 
[a visit to Egypt.] W.T. Sherman. Wo 
QOBUGLE .oi-vasccseccecsamaes cncesntaneany bikade dan emne 
on the fluctuations of the river Nile. J. 
Henry. Title only........0.00 pnsnovsces¥seyene i 
[letter on the Hayden Survey.] J. Curtis. 
Communicated by E. B. Elliott. No ab- 
SUL BClrascccnsesesgenaatsecauae aanccnb{duasduleseueeneey i 
on some measurements of heights by a 
pocket aneroid, W. Harkness. Title 
ON fics jsnnevacnnssptesse:penph-sadeeeneeaeneee soasceusanll 
[on the Goldschmidt aneroid barometer.] 
J. E. Hilgard. Wo abstract.........-.ses-d 
[travels in Turkey and the Caucasus.] W. 
T. Sherman. No abstract........0...csses i 
on the proceedings of the International 
Metrological Commission. J. E. Hil- 
gard. Title only.......... neuasounsceunnaehenne i 
on the habitability of the elevated plateaus 
ofthe West. B. Alvord. Title only...a 
on the use of the cafions of the Colorado 
for weighing the earth. G. K. Gilbert. 
Title only....... Boer tra tc s cpauencs=aemechtaa ht 
on the recent determination of the longi- 
tude between Paris and Greenwich. 
J. E. Hilgard. Title only........ chbsonodeas i 
on some of the results of the Polaris North 
Pole Expedition. E. Bessels. Refer- 
TONCO ..sesesseressecoseisunsveaaccataePaeeneee sodactaneal 
a method of describing and locating with 
ease the approximate positions of geo- 
graphical regions. J. M. Toner. Title 
GI sihsscsnansseecssanpeaenney oh psanpavsweneneegeenad ree | 
on two bricks from the great wall of China. 
F.M. Endlich. Title only.......0.scceses 
on the alluvial basin of the Mississippi 
river styled the delta. C. G. Forshey. 
35 
39 
8 
65 
68 
74 
88 
92 
97 
98 
T7 FUl sccosssecasrsmavessscensas secu gee enna i 98 (10) 
on the use of railroad levellings in deter- 
mining elevations on the great lakes 
and rivers in the United States and in 
the Rocky Mountains. J.T. Gardner. 
Abstract and reference....... aeohebeate oeeree | 
23 
