154 
Page. 
Mathematics, List of papers on—Cont’d. 
the formule for computing the position of 
asatellite. A. Hall. In full.......000 vil 93 
a form of the multinomial theorem. A.S. 
Christie. Title only......+ quusacean seseeee Wh 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 case of discontinuity in elliptic orbits. 
W. B. Taylor. Abstract....... anavownesde wil 122 
the verification of predictions. 
Doolittle. <Abstract....... eaadeens goaeesee vii 122 
methods of verifying weather predictions. 
CADE, CADSETACE seccucvscssssn-s-cc Wak 6 
example illustrating the use of a certain 
symbol in the calculus of affected 
quantity. E.B. Elliott. Title only..wiii 37 
a collection of formuls for the area of a 
plane triangle. M. Baker. Reference, 
viii 37 
an artifice sometimes useful for the adjust- 
ment of conditioned observations. C. 
H. Kummell. Abstract......... eoceveee Wii = 41 
a group of circles related to Feuerbach’s 
circle. M. Baker. Jn full. 4 figures, 
wiii 45 
distances on any spheroid. C. H. Kum- 
mell. Abstract and reference........ «wii 52 
on Grassmann’s system of geometry. A. 
Ziwet. Reference......cccccsrcrrereereeeee Wild 53 
cause and chance in the concurrence of 
phenomena. M. H. Doolittle. Title 
OMY. A csndssesarsocceansushostantonccsascsponcessss Ae, 10+ 
Can the attraction of a finite mass be infi- 
nite? C.H.Kummell. Jn full.....vili 58 
on the use of Somoff’s theorem for the 
evaluation of the elliptic integral of 
the third species. C. H. Kummell. 
Reference .....0+ rrearotrercce anceheecaane ix 54 
graphic methods in eat. G. K. Gil- 
bert. ADSEACE.....cccccocersercevcccesecesess ok 
association ratios. M. H. Doolittle. Ab- 
SET ACE....ccceee ceacesscssucwosens occ anecen saplasigusitee oie x 83 
a problem in probabilities. Symposium. 
PADSULOCisinaspeosinecseddccusncontannnuhs cnaxaavar x 87, 89 
on the free cooling of a homogeneous 
sphere initially heated to a uniform 
temperature. R.S. Woodward. Ref- 
CTENCE. .ererere sunseeseneatas Ane acencbae eee x 90 
on the brachisthode on the helicoid. C. 
H. Kummell. Reference......... ebadudenen x 90 
the motion of Hyperion. G. W. Hill. Ab- 
stract and reference........+.0+8 abeacton rs skee x 90 
the parallax of @ Tauri. A. Hall. Abd. 
BE ACT icuecanstacenc sovtsvoescestavecunnvsectusssschnene x 91 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page. 
Mathematics, List of papers on—Cont’d. 
the most probable value of the latitude and 
its theoretical weight from entangled 
observations occurring in the use of 
Talcott’s method. A. S. Flint. Ab- 
SULGCH:. -crapcsvsccscuctduapeers ech secs aston sseuedsuuen x 91 
association ratios. M. H. Doolittle. Ab- 
SET ACT.....00008 PT es ei 
[solution and generalization of a problem 
requiring the division of a rectangle 
into parts which form a square.] H. 
Farquhar. No abstract .......scecercsceesK 96 
a collection of solutions of the trisection 
problem. M. Baker. Abstratt.......... x 96 
[on the trisection problem.] G. E. Curtis. 
AD SU GEE icvasteceaccocacs sessaesisepeniveveseaaeiane x 98 
the integration of differential equations 
admitting periodic integrals. G. W. 
Hill. Abstract and reference........0.+-+.X 100 
Euler’s theorem (generally called Lam- 
bert’s). A. Hall. Abstract......ccc000.-X 101 
[anew computing machine.] E. B. Elliott. 
ADSEN GCE iasenssncscsonctusiacsonsesnsmpbenseeeemesiaenntiee 
on the constant P in observations of ter- 
restrial magnetism. W. Harkness. 
Abstract and reference...» assesanawaashae Oe 
the conditioned cooling of a homoge- 
neous sphere. R.S. Woodward. Ref- 
ET ENCE. .2.000. aseosssnsanasanndsceusteseamueessteenetem ML Ee 
the orbit of Hyperion. O.Stone. Abstract 
ANd TEfEreENce.......+0008 adotuobet sesbchouuns aemeamewc EE 
the quotients of space-directed lines. E. 
B. Elliott. ADstract....ccccccccsseseeeeeX 105, 106 
methods of finding nth-power numbers 
whose sum isan nth-power. A. Martin. 
ADSEPACE....cceseeeere esuadseseuanenvn poo scoperatean eeAET| 
Matter and force..........cssecciescccesees Vii 30 
Combination Of.........csssss0e i: vi xxxv 
Properties Of.......-.sscsee« i 27,v 127, wi 5, vil 40 
Three states Of....:caccsesscsnoccseceseussupeeneassnstnteeuons 
Matteucci cited on muscular contraciion...w 59 
Matthews, Washington, communication on 
natural naturalists. Read by J. S. Bill- 
ings. ADSErACE......ccserereres fcalvgeeeneneneee vii 73 
mythological dry paintings of the Nava- 
jos. ADstract.c......cs0 A heotanee -wili 14 
anthropometric sad reaction-time appa- 
ratus. Abstract. soveceesWhhd 25 
Mauna Dios. .desecsesseensacnes ods cntcvnevva teddsanbeeeentt vi 13 
Maxima and minima, Special case in..wi 149, 152 
Maxwell, Prof. J. C., cited on matter.........W 128 
ON C1AStICItY......cseseereeereee scecodat een aeeetys +0 132 
theories of heat. 
radiant energy......... a 
Boyle's law. .scc..s:sessses:sesvsccenssssosunnetessons hae 
Molecular Orbits........ sc. ccceeeeeeeee -v 140, 147, 149 
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