124 
Page. 
Babcock, O. E., Death of ...........06 pisdsaneb «wil 72 
Bacillus Malaria...... sees veudatedsucccucta wiv 39 
Bache, A. D., Eulogy 01.......0c.cscocccccecsesseees i 35 
BAC hel igtecccvercess areccdatddeccececescetensteécsesscessecaessk 40 
and spontaneous generation...............00+ ii 109 
Baer’s law......... Raceecetenacee peaeibaed ravi teteprere vii 21 
Baeyer, cited on corrections to levelling for 
deflection of the plumb line............. fi 25 
Bagehot, cited on occult force..........Wi XXxiii 
Bailey, T., Death of........ bbaacenas ceuvauensuay di 109, 111 
Baird, S. F.,and scientific societies...........X 45 
as an administrator........ aba igeaneasendent mdevns x 49 
communication on the decrease of fish on 
the southern coast of New England. 
Reference........00 Seen eerpauusn pean ieassipet ees Wea 
the artificial propagation of the cod. 
Abstract....... a jnuudarsecaueacuanibeng ecessccevash Ah 29 
WIGHUN Olvsoctssesecanassatedssa Rersaneasevisaseuncn x 17, 20, 76 
Meeting commemorative Of..........s008 ese x 41 
Personal characteristics Of.........sss++e+ ee pelr(l 
remarks on archsological collection by 
Gr UAC Nas sacaancesetecoussacacstuaeseune i eshess ii 48 
Scientific work Of.........csseseees dacevdiahensseae x 61 
Bairdian school of ornithologists............+4. x 66 
Baker, Frank, communication on modern 
ideas of brain mechanism. Title only, 
vili 17 
remarks on audition........0.. susscancsescases WME Lcd 
Baker, Marcus, communication on the his- 
tory of Malfatti’s problem. Jn full. 2 
SLUT CB us nannencnosdvevadupeearesape:=cstidcandnsaatcd ii 113 
a geometric problem, with bibliograph- 
ical notes. In full. 4 figures......... Ail 53, 55 
the boundary line between Alaska and 
Siberia. In full. Map........ccce000 iv 123 
a geometrical question relating to 
BPHSLOS rh WM Ul wanmssnenpeccssasvencseavsnaxee v 107 
Benjamin Alvord. Read by E. B. Elliott. 
TU PUM ce sess vcnssoenestaes aeadresansoaceaneanivens vil 127 
a collection of formule for the area of a 
plane triangle. Reference............+ vili 37 
a group of circles related to Feuerbach’s 
Circle. In full. 4 figures...ccccrereeees wilt 45 
What is a topographic map? Abstract.x 11 
a problem in probabilities. Abstract...x 87 
a collection of solutions of the trisection 
problem. <Abstract........ Bde saree x 96 
remarks on Alaskan glaciers ...... x 15 
a geometrical problem...........+.+ 
graphics 
Benj SimimeAlvord,\ cissscorsavsaacsetvensaesets 
Balloon ascensions and air currents............ i 35 
Bancroft, H. H., cited on diminution of In- 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
; Page. 
Barker, Prof. G. F., cited on diatomic mole- 
wv 50 
case? 
Barnard, Gen., cited on precession and ter- 
NETVE CUTLTENES.....c000ccscacercecsecevscceee 
Festrial rigidity. ......scscassocssscccssseccossdk 18 
Barnes, J. K., Death of..............0+ Tt ey | 
Barometric gradient as related to velocity 
and direction Of WiNDG.......c0sseccee «eee 106 
hypsometry........ dos onessdescusuduvensedudesdassunmeekanicee 
New method of........ anecayen Sey ere 
observations modified by wind...........0.W 91 
pressure and wind velocity.........c00 ey od 6) 
and wirids in relation to tides...........00.4 53 
Bartholin, cited on mineralogy ......s0-.eeeeeeed 77 
Basaltic columns....... do odunddsveaueanetniiaa ica vili 19 
Basch’s experiments on the circulation of 
uietemelKoyer Merete error oar 
Base-line apparatus... 
at Kanab, Utal.......s00cceeee 
measurement near Atlanta. 
Basketry....... seco ak tadzeqeneouead asrvesiiabieescdpheeok kauanes 
Bates, H. H., cited on gravitation formula, 
wiii 39, 40 
communication on the motion of a particle 
towards an attracting centre. Title 
ONLY ..ercaceoense se seecevee suede atusedageaeriran dp uesnke i 89 
movementofa particle attracted towards 
A point. ADSErAact...ceue-0e siastvles ngveten sme aD 
the nature of matter. Reference.....Wi 5 
the physical basis of phenomena. Jn 
SUll. ZSIGUTES ss .seerereecceeee osaneoes seceeee Whi 40 
remarks on wind-vane formula........ noaeadel) ga? 
Bates, N. L., communication on organic 
cells of unknown origin and form 
found in human feces (two cases). 
Title only....+.0 Scbscantnscxaqe eaten svete (Bb 
Baudin’s method in thermometry........0.0.4X 29 
Bayma, Prof. J., cited on action at a dis- 
TBNCCs.cesess apres cl da és dvavstocnssusseude<sa@unnene wv 158 
Bay's Mountains, Tenn....scsss sssasesnssesscseeassete ) 117 
Bean, T. H., communication on the distri- 
bution of fishes in the oceanic abysses 
and middle strata. Title only........0AK 22 
Bebb, M. S., cited on salices........00-s0.ee4¥ 110 
Becquerel, A. E., cited on chemical rays....v 135 
Bede, cited on cure of dumbness........000...Vi 53 
Behring’s Strait. .......s.00 en dv 123 
Bell, A. G., communication on the tele- 
sn eerereeseeesees 
phone,  Abstr@etscsvccegssxscesessenvmenphennet ii 103 
binaural audition. Abstract iii 68, 69 
the spectrophone, Jn full. Plate .....iw 142 
a modification of Wheatstone’s micro- 
phone and its applicability to radio- 
phonie researches. In full. Plate, 
iv 183 
