New-York daily tribune., 1859-08-04

srd men subUifed "a YSpuleisc force frUni tbe -
But ire uucb il j. pricae rsqusite in rhhcsop5>
to 0l'ze causes aId 90 found iheorle. upon the
fewe ca ths; are found ds1cieh,, Prof p s-sure.
N the hesprine that the nSu give, ~ the hesd of
the comet 20 the particles II rfns and that thef h 90
s,Lib- rtpa.OI Ue WeeL tbe LucIeus atn tai, that
be SIMPLY calculates the Ovcmebts of the Particles
uDder q rep.lsiye force from The sun. tscGl,tng
this mC.ior Let a. done 10y Be-sel, AID 3r Don, is
comet b, Pare, with merely spP4osr.s;iSc fofnu7'
but caulst;Tg With rigorous accuracy for repul-'Ee
fo,ce frou Il. sur equal TO bali tnes gfsSl-
ie obtains the of tie front edge OF the tai OF
Dobsis opnet, sa'isfyiug with great precision the
obtiv.iioIs on that edge published by Pnpe 10 the
Asu uoMtCbe NGChrlchifn, aaG atso M aGiruaoe
series of bservaiODs fakeb under dIrs elton OF Dr.
Couid a; tie DuGiey Observatory by A---rs Seerle
aId TONER The degree Of pieci-on was ilnstIs sted
h, oiserams in ~hich f6e calculated edge ct the Ia
was rcpress ntei by curve lJes, aud the observed
yoi,.s by dots-red f5r the American, black for tue
Eu ops obFervdiinns and the irregular rO~ o dots
raD mary cCit cdeD a. Possible wIth tie reg'iH
curve. This rtsult iustties the assumption that the
repul.icu If the nucleus sId the tail = insenble On
the back edge of the tai there deficiency OF iePn
siop fI.m the sun, but 'be back ejge was too baiiy
defined for accurate observation.
TIE dark center ut tie tai! arises evidently ironi
dgfcepcy pf matter there, bat not from simply hollow
cyhl d,cs form. TIE tails not only ho!l'" BAL nat
t.Led the plane OF the comet cfbi t:us coz
The giDal sssur pon that TIE velocity OF q et.9n
flom the uucieus Is snsl. From discussion oi NJ
O. F. Bords cb.erva.cns q; Cambridge Prot. T.
sbov I'd ttst the -cessve envelopes rose from lhe
uucl.us al, ~ the rate Of 80 miles I'll hour "'t yer!
really uniform yeiscily. 1hese observations are theG
Of pnne importance sbcvicg the absence ci fepl
1--WE force Gun TIE nucleus, aid indicating thai the
lie Of the euvelop is that Of vapor rsrg II an a'o
pierre. But ihis view demands large atmosphere o
ext,eu rarty about the Comet AID larger nias- 10
tie smsi ruc Us ihan has been usually supposed,
tfou. lot cxoeedIg tee limits adopted oy Lapace 10
the case OF Lexel comet. The snal size ot the
nucleus ipcicstss tba. its density nus. be great,
even uert sp- metallic. Two other circumstances cor
rLohte tbi- yieg'he rarity Of the atmosphere about
The comet for Loilg IL oreI than the vapcf o metals
ard the great cohesive power requisite 10 preserve
comets like those Of 1913 end ls.s tfoa bcitG utterly
o,s.pb,er when approaching so neal to The san he1
enough TO melt neatly al known sub-tances 1his
metallic character OF the copet IS analogous 10 'st OF
me' Oric stones.
Pape he'd endeayored, without succcss, TO md in
ID, Lsii Comet any ind'c6tion OF Yibfatofy mss
uetic oscillation such Be--el demcn-ated Ia Hal
e,r Comet But Prof Z. illustrated by diagram ot
Pspes obst rvatons that they old indicate ceccoiy,
the existence Of snch oscillation at least when com
bred with the yalusble observations Of Mr.. q. T.
Bond on the rise Of tie successive envelopes.
The phenomenon attributed in the case, particularly
of Erckes Comet, 10 the existence of ress,ng me
diun might h. as accu s.ly explained in the mode
sucresieo by Herchethat IS 10 say, the loss Of the
re IL part ces leaves the attracted portion OF Rrea er
weight which il agebracaly the same as decreasing
the velocy The apparent resistance OF the ether 10
the Of Enekes Comet might be 'ccoun,ei ior py
loss in each revolution Of one thirty thousanih OF the
comets mass.
TIE outflow of the tail, ard its repusion by The sun
woud fIou the fsc that what flows To-" aid Inc Gun,
will BY the cunstIyat of areas, flow IN front OF the
con e. tend TO rotate the comet diminishing us rota-
tiop. Bot planet rotating in the same direction a. u
revo ves nj. ht by the emission oi such tai nave
us ,ral ion accelerated aud it rctat on dmh-led
,xtibtug the very opposite phcnon.non to tha'
a.c,ibed TO n RESTING ueoium. Might not TINS ac
C, uut tor the de VI meao motion, when Is, soe-
wbst uucs rairly indicated by Leverriei profound
Investigations cf the orh of Mercury this NM stoe
| o( from ha 4. .rsltr
his ttCenrlcity Of orbit and his DcarLes 10 the suo.
Yet ev.n on earth there is in the thuoder-coui some
al act to comets tall l. H 70 say the least vap r
il electrified c, 'i'iop, rsnS 10 an a,m",ohsie un
der the il uence Of solar heat. Were the Earth rear
enough the SUM- the highly electrified clouds might be
driven of, aid form terrestrial tail. And may be
that The aurora Boresis is 10 fact such an exhibition.
After the conclusion of Prof P,TRCEs remarks,
Prof. Artx.SDER read q paper on the map Of the
M,on IL very brief and exceedingly technical.
At 5:4j p. III. the Association adjourned.
EyESIsG ESTERIAIsMENT
In the evening reception was given 10 the Associ-
stion by the Hon. Geo. Bliss in the spacious rooms
of bis residence in Chestnut street. Gov. and Mrs.
Morgan, guests Of Mr.. Bliss, were present; they ar
iiv.d to day.
Nearly oil the meu bers Of tie Association who are
in the city-more that hundred-8cre present. MIS-.
Lincoln Phelps, Mrs. LeConte, and Mrs. Cro5wel,
were centtrs OF gIayiatior.
Col Blisss grounds, which are exceedingly nne,
wire greatly admired, and good use was made OF
them by romantic and unromantic, during the evening"
Towards 10 O'Clock there was borntifu rert shment
served up liquid ard hquifyirg. 1t is plain that the
Maine Lsw it, TO extent, imperative IN tais par
If Massachusetts There was no daacing
Tomorrow the heavy work Of tue Association COM
mepces. Only sbont ifty papers have been entered
SO far. but the number viii probably be doubled in
cay VI two.
Gas has experienced fall in the Massasot Houses
ince,d learn thst the only eject Of the late
rise was TO rem ind members Of the Association thai.
they Ell ouo not brug their wives with them to- such
extra price laid upon gas TO gentlemen who were
accompanied By ladies. And there was peed OF some
sucb reminder for the humber Of ladies' here ia not so
great as usual The diuner nuisance has been com
pl,tely remedied in fact could not ask for e
mere quiet dir ing hall ihsn has been opened to us to-
day and as TO the fare nobody ever complained OF
that here.
TIE fact is now fully established tha. there is 10
way Of getting nd Of a nuisance in Springfield 80
effsclual as to send an account Of it 10 Newio!k,
and have il return in THE TRIBUNE.