124 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page. 
Babcock, O. E., Death of. vii 72 
Bacillus malarise.!. Iv 39 
Bache, A. D., Eulogy on... i 35 
Bacteria. i 43 
and spontaneous generation.ii 109 
Baer’s law. vii 21 
Baeyer, cited on corrections to levelling for 
deflection of the plumb line.ii 25 
Bagehot, cited on occult force.vi xxxiii 
Bailey, T., Death of..ii 109, 111 
Baird, S. F.,and scientific societies.x 45 
as an administrator.x 49 
communication on the decrease of fish on 
the southern coast of New England. 
Reference . i 52 
the artificial propagation of the cod. 
Abstract . iii 29 
Death of.x 17, 20, 70 
Meeting commemorative of. x 41 
Personal characteristics of..x 71 
remarks on archseological collection by 
G. Latimer.,...ii 48 
Scientific work of.x 61 
Bairdian school of ornithologists.x GO 
Baker, Frank, communication on modern 
ideas of brain mechanism. Title only, 
viii 17 
remarks on audition.viil 13 
Baker, Marcus, communication on the his¬ 
tory of Malfatti’s problem. In full. 2 
figures . ...ii 113 
a geometric problem, with bibliograph¬ 
ical notes. In full, i figures .iii 53, 55 
the boundary line between Alaska and 
Siberia. Infull. Map .iv 123 
a geometrical question relating to 
spheres. In full .v 107 
Benjamin Alvord. Read by E. B. Elliott. 
In full . vii 127 
a collection of formulae for the area of a 
plane triangle. Reference .viii 37 
a group of circles related to Feuerbach’s 
circle. In full. figures .viii 45 
What is a topographic map ? Abstract..x. 11 
a problem in probabilitie.s. Abstract ...tl 87 
a collection of solutions of the trisection 
problem. Abstract .x 96 
remarks on Alaskan glaciers...x 15 
a geometrical problem.....v 88 
graphics.x 5 
Benjamin Alvord.vii 128 
Balloon ascensions and air currents.i 35 
Bancroft, H. H.j cited on diminution of In¬ 
dians........ii 175 
Bank loans. Distribution of.iv 31 
Page. 
Barker, Prof. G. F., cited on diatomic mole¬ 
cules...V 150 
vital principle.v 50 
nerve currents.v 61 
Barnard, Gen., cited on precession and ter¬ 
restrial rigidity.li 78 
Barnes, J. K., Death of... vi xvi 
Barometric gradient as related to velocity 
and direction of wind..i 106 
hypsometry... v 48 
New method of.ii 131 
observations modified by wind.v 91 
pressure and wind velocity.x 10 
and winds in x*elation to tides.i 53 
Bartholin, cited on mineralogy.i 77 
Basaltic columns./..viii 19 
Basch’s experiments on the circulation of 
the blood. v 77 
Base-line apparatus... iii 35 
at Kanab, Utah.iii 34 
measurement near Atlanta......ii .50 
Basketry.ix 13 
Bates, H. H., cited on gravitation formula, 
viii 39, 40 
communication on the motion of a particle 
towards an attracting centre. Title 
only . i 89 
movement of a particle attracted towards 
a point. Abstract .ii 19 
the nature of matter. Reference .vi 5 
the physical basis of phenomena. In 
full. 2 figures .vii 40 
remarks on wind-vane formula.x 9 
Bates, N, L., communication on organic 
cells of unknown origin and form 
found in human fseces (two eases). 
Title only .ix 35 
Baudin’s method in thermometry’’.ix 29 
Bayma, Prof. .1., cited on action at a dis¬ 
tance.V 158 
Bay’s Mountains, Tenn.x 7 
Bean, T. H., communication on the distri¬ 
bution of fishes in the oceanic abysses 
and middle strata. Title only .ix 22 
Bebb, M. S., cited on salices...iv 110 
Becquerel, A. E., cited on chemical rays....v 135 
Bede, cited on cure of dumbness...vi 53 
Behring’s Strait.iv 123 
Bell, A. G., communication on the tele¬ 
phone. Abstract .ii 103 
binaural audition. Abstract .iii 68 , 69 
the spectrophone. In full. Plate .iv 142 
a modification of Wheatstone’s micro¬ 
phone and its applicability to radio- 
phonic researches. In full. Plate, 
iv 183 
