162 
Page. 
Optics, List of papers on—Cont’d. 
why the eyes of animals shine in the dark. 
S. M. Burnett. Abstract and reference, 
vii 13 
the Javal and Schidtz ophthalmometer. 
S.M. Burnett. Title only.........000. viii 11 
on a device for viewing the sun by light 
of any desired wave length. W. Hark- 
NESS. - ADSEACE....seeereereere aiuapWabereventeuad x).13 
Orange Mountain, N. J........+00 aueduenenene viii 19 
Orbit of comet, Correction Of.........ss0--ee+ fi 22 
Hyperion....... cesdaaae paced aneniacte pas x 90, 104 
Swift's COMOEciccsicscecssscnsccuvostcccnscsseress iv 59 
Orbits illustrated by models............«+ sbasade x 28 
of Titan and Hyperion......... Meaeannney acne iii 26, 40 
Special case in elliptic........0..ceccceseeee: wii 122 
Ore deposition by replacement............++++ vi 32 
Organization of the Society............ iv, 19, 20, 21 
OTEROCONTOL aos: cuncits us duaccenssoundscsncnrescrrsnseos viii 47 
Osborne, J. A., cited on the pupation of the 
Nymphalida............sccccsssesseees Prorerret  2 ul 
Osborne, J. W., communication on a new 
meteorological instrument. Abstract, 
ii 63 
the study of meteorology in regard to 
the causes of yellow fever. Title only, 
did 21, 27 
a curious manifestation of force by the 
WING: D406 ONY svessccsasnessatasusensnovenas fii 27 
a case of peculiar corrosive action on 
metallic tin. Title only......cciceecoeseee dd 44 
remarks ON AUTLOTAS,....... «+46 bavsnevanat vated iv 22 
Otis, G. A., Biographical sketch of 
Bibliography Of...........++ Maonctasddeunatsetncate iv 181 
communication on fractures of the inner 
table of the cranium. Title iit rea i 73 
anew spirometer. Title only... corel 94 
TVG at Sc aaeretscesanubene covscscaduenseuenanauessdaaeae iv 120 
Resolutions on the death of L seabentusadeieuaien iv 134 
Ox-eye daisy a3 an insecticide.........00. Wd 12 
Pacific Ocean, Temperatures and currents 
Olszeossivknsrnaiscametss ep rreoreer etree agesesassh 102 
Painting with dry colors............... cccocseeWhid 14 
Paleontology. (See Zoology and Botany.) 
Pamphlets, Care of... 
Papers read to the Society. (See Acoustics, 
Anatomy, Anthropology, Archeology, 
Astronomy, Biography, Biology, Botany, 
Calendars, Chemistry, Electricity, Geog- 
raphy, Geology, Mathematics, Meteor- 
ology, Microscopy, Mineralogy, Miscella- 
neous, Oceanography, Optics, Physics, 
Political Economy, Psychology, Seis- 
cocceegeocscceneeces vili 29 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page. 
mology, Social Science, Thermometry, 
Zoology.) ° 
Statistics of the Society’s............ ssenbeceacene OG 
Papyrus Ebers........ sscseosseneshk 04 
Parallax of a auri.ci.ccse-cess aaeecnanveta osbaccaseate x Dt 
Methods of MeasuTiNG.......-ssessseeceeeee erie.) 
Parker, Peter, communication on the me- 
teor of December 24, 1873. Wo ab- 
BUNGEE cvevosaes asuactadaabatangere re 
Joseph Henry. In full cosccsceseccosececsersi Ah GUS 
remarks on Chinese vocabularies...........44 28 
calendars........... sevenssea vaacnseseunaetete soenep hh it 
electrical treatMent.....cccrrecccsscseccsecsreoshs 40 
origin of the American Indiansg............41 94 
report of the committee to collect infor- 
mation relative to the meteor of De- 
cember 24th, 1873. In full. Map and 
2 SUGUT CS sasnsssssracuevesasas oo shasnesunsansepeine eee 
resolutions on the death of Salmon P. 
CHASE..;.cnccccvevossnsncssnsreeeet sasseauecake anasenh TST) 
Patterson, H. N., cited on the flora of Illi- 
yo Barre dos sonscausceusers acasseussenyeneaeneniee nina 
Paucker, Prof. M. G., cited on Malfatti’s 
problem.......... ooceesasess suesdscuueusesetesereaan ne nneas 
Paul, H. M., communication on earth trem- 
ors as shown by astronomical observa- 
tions.  ADSETACT......00scccceses sesccacntsarcesanl aan 
problems connected with the physics of 
the earth’s crust. Title only......wiid 17, 18 
the Flood Rock explosion. Title only, 
vill 28 
the Charleston earthquake. Abstract.ix 41 
TEMAS ON SUN ZlOWSsc.cccsserscccceseceseesWAk 3D 
earthquakes....... ....00e ececsseesncesese VA Cones 
the topophone.........000 oousenonccsaasavspse Wma Enea 
dry painting by the Japanese........... Will 16 
time determinations........... cagsaneas «Wii 58 
PTAPNICS i siscsecasne sosasuaadaunaeaee sanassennansdes deceiae 
Pavemeuts, Failure of WoOdeN.........000+0----dd 26 
Peale, T. R., Death. Of..cccscssccssscccsscscusesssa Maan 
Peirce, Benjamin, cited on curves similar 
to their CVOlULCS,......c:sescccssesescesneeus vii 87 
communication on the heat of the sun. 
Abstract....... wdsaesonecadses! 'aodpreesenvan yi aeeaaEm mma 
the theories of the nature of comet’s 
tails. Reference........ 
PIOBEN OF; cccsssvssvesssurguasences 
Remarks commemorative Of 23 
Resolutions on death of............: avesnuousso sR Win lomh 
Peirce, C. S., cited on verification of predic- 
tions....... preanneweneden aus osseusenaeseusupten Wa Lam 
communication on the appearance of 
Encke’s comet as seen at Harvard Col- 
lege Observatory. References 35 
stellar photometry. Referencé........00004 63 
