136 
Page. 
Endlich, F. M., communication on—Cont’d. 
two bricks from the great wall of China. 
Title only.....-+ sasetoscsencoonsens maweneseneasecaes i 98 
specimens of meteoric iron from Chi- 
huahua, Mexico, and the structure of 
meteorites in general. Title only......4 98 
the occurrence of pure tellurium in cer- 
tain gold mines of Colorado. Title 
ONLY ..reccccccceree dveoceses: ssudunadeneunyos sebaen aaa i 101 
the coloring agent of gems. Abstract, 
li 31 
some interesting cases of metamor- 
phism. Title Only... eeeeeee neenwaaeare iii 27 
FEMOV EY ois sevcssccuspossenccesees 5 
Conservation and ikstnation OL cSaccesnacsnus a ea 
Engelman, Dr. G., cited on Quercus......... iv 110 
English sparrow question... 
Entomology. See Zoology. 
Eotyos, cited on sounds produced by me- 
. 
Avesssscebusvenceataness LO 
WOGOUS sue nscuscnpceussdechesber tassseenencanns SEseeeee di 157 
Epicurus cited on philosonky Sonceesras vii xxx 
Erie, Altitude of Lake........cceeeeeees err ae 
Erosion as related to displacement............ ii 75 
by drifting sand... ........- aceerere renteeascnn: i 57 
Errata......... ii p. 4 of cover, iii 148, vi 162, x 114 
Errors, Composition of...... Dre vccnaunncaebsersnccesr v 106 
respecting the North American Indians..4i 175 
BD NGOLY) Olseceacacescsuscetioctnsnsancace niche wi 138, 152 
Eruption, Latest, in Northern California, 
ix 46 
Theories of....... Wanasaatise rosasdidesessarvetpcawcccae REO 
Eskimo shell heaps.......0.-ccccsseesesseeseres eeeees ii 65 
Estimation of manganese as pyrophosphate, 
ii 132 
Ether, Hypothesis of an.......... erasaaisehen vi xxix 
Ethnology. See Anthropology. 
Eucalyptus on the Roman campagna........ vi 36 
Euler ignored by Am. Phil. Soc.......wiii xxxvii 
Wuler’s theorem. ...cccscccssosessescscccscccesoseceserer XK LOL 
Eulogy on A. D. Bache... Shera eostees i 35 
A. A. Humphreys..... acedsspsocesaadeW By 3h. 
FLVOlUtOS.....cccescecvccscesessccccneecccece sence covesseess WAR LOT 
Evolution and phthisis.... sssaccolenesaceveMh, 125 
Methods Of.....cs0ssecccseve sscsee connec cdvdscoces WA XX VIL 
Of the DOW ANd ALLOW... ..eccrscrerececcesseceeee: ix 44 
elaments........ suucdspnesendasness poececre tne vii 16 
Expansion and beating of ice fields......... ii (22) 
Experimentation............. dapaspapresecess di 163, wil li 
Explosion at Flood ROCK. cs..secssessseeeseeees viii 28 
** Explosion” of meteor explained........... -li 143 
Exposure of thermometers.........-+.Wi 46, Wii 80 
Eye, Optical dofects of........... eArbenssaniaa macneber i 22 
Eyes, Apparatus for lesting.......cccccceceeeeddd 53 
shining in the dark..,......ccsscccsssrerceereeWhd 13 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page 
Falconida, Natural r wei Of ....cssse AL 
Pal LMG ve ssecscunseucee ea cadersaiataes pele Fa: 23 
Fallacies AF Se tae: deck. 48 
Fallacy as to the theory of gravitation...... v 85 
Faraday, cited on Matter..........ccceseescerees vii 48 
Farquhar, Edward, cited on personal vocab- 
TUT Yes. sccnssesteueevanteonvacent PORE ii ii (18) 
communication on certain remarkable 
effects of lightning. Read by — 
Henry. Title only. .cccececeeeeee Feneebopauuend 42 
dreams in their relation with aR 
OBY- ADSEN ACT. :..:c..snssncnecasessnsdvessestte Og 
TOMALES ON the AULOTLA.......00 sever seceereerees iv 22 
FOTNAGOGS ces. dacvecscsosscpebddecuducnscusee een vii 3 
thunder storms.......... o sseseaeeduneae sccoses WRAL) TD 
determining the direction of sound..wili 13 
Farquhar, Henry, communication on exper- 
iments in binary arithmetic. Abstract, 
v 125, wi3 
further experiments in binary arith- 
metic. <Abstract............ in Zacecooss conseeey ame 
form of least-square computation. In 
Jul eavicsspewesanton odeubeutecsocesassnesseweuexsnneaianm one 
the problem discussed by Mr. Alvord. 
ADSI OCtacsssccncsssuased ta wi 152 
the theoretical discussion in Prof. P. G. 
Tait’s ‘‘Encyclopedia Britannica” 
article on mechanics. Abstract......vii 29 
empirical formule for the diminution 
of amplitude of a freely-oscillating 
pendulum. <Abstract..........0... dosncbe Why 80) 
a Fonetic Alfabet. Abstract........... ix, 17 
a comparison of the Boss and Auwers 
declination standards. Abstract and 
PELEVENMCE..scccscscdscucesustnsngraedateniies HAS. 53 
a problem in probabilities. bien 88 
a solution and generalization ofa a 
lem requiring the division of a rec- 
tangle into parts which form a square. 
INO 'GDSUOCl...0nacescececananuestsseeeeeaeeee aperknee ey OO 
remarks on standard time........0...ss000-5W 114 
infinitesimal .coccccuscesvcanousnsceptettaaneeeneee 
Grvifting DUO S....<..c.cc0scssesepesesensdeneente 
earth tremors......... ovestecnueeanee cchenaeete 
Fault at the base of the Wasatch Moun- 
TAINS: .cccu0s seavseuaesecsesucnsesancnselneeaenieeeene ii 103 
near Harper's Ferry.......cc.sc-ccsessssneonseuse vi 30 
GAN OS ssctncacevecepee occindsa venueounsesounesaiie ttt mnnneae ii 195 
Faults, Geologic.........see aeeieet esvvnsnaebane 4i 75,76 
in the Sierra Nevada........006 sss. moos che ix 4, 5 
of the Great Basin. ...c0.0:sssccscossecveuseduunesee ix 5 
Ferguson, J., observation of supposed trans- 
Neptunian planet............sccccssseee «Add 20 
Ferrel, William, cited on deflection of vivers 
by rotation.......... aang enadaeees sivas ene wii 22 
law Of SCOTINS A. .cccssteccavcsscacocascesauencstapne mint 
