166 PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page. 
Prognostication for the winter of 1882-83....w 122 
PYOOLCH OCC. sccisteaacoserntoehesscheessesaavresngoncdencue vi 123 
IPYOURGON Gs. dvarcesicaenrocnsiotriatyoaes ss UecceenW ado 
Protoplasm, Possibilities Of.............sssseeeeeeW 102 
PAY GHICHUSOSBALC Hs cos tcssvsccauscvscvecscesensssentnark | | G 
PSY CHGLOPY cictsssasscescses Resavectaetcands qua seuesanaeeay v 72 
Psychology, List of papers on: 
on logical algebra. C. S. Peirce. Refer- 
BVMME ec tanancnsnseatavospanssnne nlgdeueakechoppeeer beeen i 88 
on. the number of words used in speaking 
and writing. E. S. Holden. In full, 
Ai 28, (16) 
unconscious cerebration. E. M. Gallaudet. 
Title only. ..cee- coerce Raeaaaanenanaenusaanaeras ii 48 
dreams in their relation with psychology. 
E. J. Farquhar. Abstract..........csse00 vi 37 
the atomic philosophy, physical and meta- 
physical. J. C. Welling. Presidential 
Address. In fUlli....cccccesennsseeoes vii xxix, 81 
the application of physical methods td in- 
tellectual science. R.D.Mussey. Ab- 
BENGACT kes vay sade ceausnenccusuosivmmcesbunsspxanhiss vil 18 
Are there separate centers for light-, form-, 
and color-perception? S.M. Burnett. 
Abstract and reference....cecerseerevceseee vii 72 
recent experiments on reaction time and 
the time sense. G.S. Hall. Title 
1s ERE ROSE AEE See SERIES vili 4 
modern ideas of brain mechanism. F. 
Balers: < Title Onyy ics: accessor ckeocesesers viii 17 
anthropometric and reaction-time appa- 
ratus. J.S. Billings and W. Matthews. 
Abstract......00 Sourccebrenecn suvenuieeeee Wild = 25 
an attempt at a theory of odor. F. W. 
Clarke. “ADStrackisiieckecisescscesaecssess viii 27 
the frequency of coincidences. L. F. 
Ward. Abstract......... auaeutenecars meaner x's 
Psychrometer, Sling.....,...0000 “eevee viii 25 
Publication of mathematical papeeas -vi 115, 135 
of bulletin. See Bulletin. 
Publications of scientific societies...wiii xxxvii 
the Philosophical Society...........0secssee x 114 
Pumpelly, Prof. R., Researches on sewage in 
ROU SsOseteevece civapanacvstacicevnssarsauneepecence 
Pupation of the Nymphalidz 
Pyrethrum powder. .ccr.ccoserseees 
Pythagorean philosophy... ........:seeeeee 
Quadrature of Circle........ssecccessseeeeee Baeecaree i 57 
Quadratiures, APPrOXiMALC..........00ssscee-ceees ii 48 
Quadric transformation of elliptic integrals, 
vii 102 
Quaternary climate of the Great Basin...... wv 21 
deposits of western Iowa and eastern Ne- 
DTS. s weve sepvancsanasaareveresiaaveuedencssavecs iv 120 
of the middle Atlantic slope... ..........s00000. 16 
Page. 
Quimby, Prof., cited on the aurora of Feb. 
WAL Sto canandava seni Da vcctasssssancexeny seumnannees Ae 
Quotients of space-directed lines.........x 105, 106 
Radcliffe, C. B., cited on muscular contrac- 
GION sso capseeneosabsestessunteees 
Radiometer......... 
Radiophony ty 143, 183 
Railroad levellings and their hypsometrie 
VHLNGry.wcessesssaccers pananertesusssuntie cbisaw cate ene 
trains, Resistance Of.........0. 29 
Rain-fall and illiteracy 68 
Rain-gauges at different elevations...........4 49 
Rainier and its glaciers.......:ccccsessscsssssesssssKy AO 
Ramsey, ——, letter on die wee of ‘the. Bay 
of Mundy: Communicated by J. J. Wood- 
ward. Title only...... 00006 uacsoaseaeaneeeaal i 94 
Rankine, W. J. M., cited on reconcentration 
OL GENCY Lc. sssccussenccsersecsvuscecucmecueaeane spec We Laas 
Ratio of circumference to diameter............ i 57 
Ravené, Gustave, communication on the as- 
teroids. Title only ........sss000--00e- Wii 18, 54 
the theory of Mercury. Abstract.....wili 41 
Rayleigh, Lord, cited on sound produced by 
HOB scesteesoansepetscdesdey tasaxeeee eee iv 150, 183 
Raymond, C. W., communication on the re- 
sults of travels in Alaska and the de- 
termination of the position of Fort 
Yukon. Communicated by T. L. Casey. 
BESET EN CEss. oacive vvecsueue souvesiesncarucuuaselltenmenym anaes 
letter on traneit of Venue 1874. Conn J 
nicated by A. Hall. Abstract.............d4 31 
Reaumur cited on the pupation of the Nym- 
phalidee....... ieacnhosadecden ss countne as aetna did 41 
Reed, Henry, communication on the physi- 
ology of civilization. Title only......iif 20 
Reference indexing......... secthsuuexaasgheesteaaiem x 38 
Refraction in the principal meridians of a 
triaxial ellipsoid.............csssse» scuemuaeed wi 4 
Of SOMME wrctassceacsesvensens 41 57, 167 (48), v 35, 39, 44 
Uncertainty of correction for atmos- 
DTIOLIG vvsenscoosscocsactoanenvasccecetiee eaten i 69 
Rejection of doubtful observations........... wi 152 
Religion and science...... auben ss censeneeeneenee 11 16, 224 
Removal of place of meeting......... X xxxi, 10, 31 
Remsen, Prof. Ira, Researches on impure air 
[DVirsiscatese <euaupeulonusasseonseahneueteeseammne acca Be) 
Report of committee to collect information 
relative to the meteor of December 
PAT, W8T3iccnsccdsvocscsseueceausd duunenapecncentam ii 139 
Representation of comet orbits by models, 
x 28 
Research, Endowment of........ sananen eeeeeee Wha Xl 
Method of ci cscccaseceennd ii 163, iv 40, wii li, x 4 
Resistance of railway trains... 28..........00- fli 29 
Resisting Medium in Space..............eserees 134, 39 
