154 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page. 
Matliematics, List of papers on—Cont’d. 
the formulae for computing the position of 
a satellite. A. Hall. In full .vli 93 
a form of the multinomial theorem. A. S. 
Christie. Title only .vii 101 
the quadric transformation of elliptic inte¬ 
grals, combined with the algorithm of 
the arithmetico-geometric mean. C. 
H. Kummell. Abstract .vii 101,102 
a ease of discontinuity in elliptic orbits. 
W. B. Taylor. Abstract .vii 122 
the verification of predictions. M. H. 
Doolittle. Abstract .vii 122 
methods of verifying weather predictions. 
C. Abbe. Abstract ...viii 8 
example illustrating the use of a certain 
symbol in the calculus of affected 
quantity. E.B. Elliott. Title only..-vixi. 37 
a collection of formulae for the area of a 
plane triangle. M. Baker. Reference, 
viii 37 
an artifice sometimes useful for the adj ust- 
ment of conditioned observations. C. 
H. Kummell. Abstract .viii 41 
a group of circles related to Feuerbach’s 
circle. M. Baker. In full. 4 figures, 
viii 45 
distances on any spheroid. C. H. Kum¬ 
mell. Abstract and reference .■%’lii 52 
on Grassmann’s system of geometry. A. 
Ziwet. Reference .viii 53 
cause and chance in the concurrence of 
phenomena. M. H. Doolittle. Title 
only .viii 54 
Can the attraction of a finite mass be infi¬ 
nite? C. H. Kummell. In full .viii 58 
on the use of Somoff’s theorem for the 
evaluation of the elliptic integral of 
^the third species. C. H. Kummell. 
Reference .ix 54 
graphic methods in research. G. K. Gil¬ 
bert. Abstract ..x 4 
association ratios. M. H. Doolittle. Ab¬ 
stract . X 83 
a problem in probabilities. Symposium. 
Abstract .x 87, 89 
on the free cooling of a homogeneous 
sphere initially heated to a uniform 
temperature. R. S. AVoodward. Ref¬ 
erence . .••••X 90 
on the brachisthode on the helicoid. C. 
H. Kummell. Reference .x 90 
the motion of Hyperion. G. W. Hill. Ab¬ 
stract and reference ...x 90 
the parallax of a Tauri. A. Hall. Ah 
stract .* 91 
Page, 
Mathematics, List of papers on—Cont’d. 
the most probable value of the latitude and 
its theoretical weight from entangled 
ob.servations occurring in the use of 
Talcott’s method. A. S. Flint. Ab¬ 
stract ..X 91 
association ratios. M. H. Doolittle. Ab¬ 
stract .X 93, 94 
[solution and generalization of a problem 
requiring the division of a rectangle 
into parts which form a square.] H. 
Farquhar. No abstract .x 9& 
a collection of solutions of the trisection 
problem. M. Baker. Abstract .x 96 
[on the trisection problem.] G. E. Curtis. 
Abstract .x 98 
the integration of ditferential equations 
admitting periodic integrals. G. W. 
Hill. Abstract and reference .x 106 
Euler’s theorem (generally called Lam¬ 
bert’s). A. Hall. Abstract .x 101 
[a new computing machine.] E. B. Elliott. 
Abstract . x 102 
on the constant P in observations of ter¬ 
restrial magnetism. W. Harkness. 
Abstract and reference ...x 102 
the conditioned cooling of a homoge¬ 
neous sphere. R. S. Woodward. Ref¬ 
erence .X 103 
the orbit of Hyperion. O. Stone. Abstract 
and reference . x 104 
the quotients of space-directed lines. E. 
B. Elliott. Abstract .x 105,106 
methods of finding nth-power numbers 
whose sum is an nth-power. A. Martin. 
Abstract .x 107 
Matter and force.vii 30 
Combination of..vi xxxv 
Properties of..i 27, v 127, vi 5. vii 40 
Three states of..v 136 
Matteucci cited on muscular contraciion...v 59 
Matthews, Washington, communication on 
natural naturalists. Read by J. S. Bill¬ 
ings. Abstract, .vii 73 
mythological dry paintings of the Nava- 
jos. Abstract .viii 14 
anthropometric and reaction-time appa- 
^ ratus. Abstract . viii 25 
Mauna Loa.vi 13 
Maxima and minima, Special case in..vi 149,152 
Maxwell, Prof. J. C., cited on matter.v 128 
on elasticity.v 132 
theories of heat. v 134 
radiant energy. v 136 
Boyle’s law.v 139 
molecular orbits.v 140, 147,149 
