New-York tribune., 1896-11-29

canas - they are V"rah'c water courses. am u.
the tlo dark spots AZ iheir ni"r."ciion@ De axe.
as they have sometimes been ca.edi iHrr N.'.ni..tS
vel be- dependent on The iir'e ana p"nliilr o. me
water supply from the poles.
Sch!apirsll however. has sGggefiei ihnf IN" Nhflh
iion- IN th" siz" ana c'1r % ne dhfh n'iHntS n'"
possibly Doe ino q changes ~ vegetation over Ni-
Irritation upon large scale" 4, the s,fue tine De-
emphasizes The panciiy of the Information on the
iha; the vide liberty % supp0siiion ihHs an - i"
'consiitutes tho sfayest obstacle 10 ",1nSiion oi
stcncc OF either vegetables animal llic on Mar
has yet been afforded. although The pr'-nmpii'n IN IN
in supper, Of the latter.
ARE THE DARK AREAS vEGETATIoN'
Professor william II Pickering has also advanced
the theory ,ha, the dark areas on Mars ropresen,
vegetation His mos; effective argument is ihdt i!gh
reflected from them j. not "polariz'd" A. It should
be Il they water excep, In the IF ihc tempo
rary bet formed around the melting polar cap II
would seem 10 bc OF The utmost importance therefore,
that careful tests Doe made with the pohrs'ope by
or dsproyc Professor pickeilngs statement Per
scrvaiory AT Flagstaff. Arz. In 1894 for the study
OF Mars. mhsinc- that the canals are belts ~ v"gc-
and consequently are themselves Invisible here. He
thus assumes that Mars has inhabitants Of much
he Is almost alone In considering the proven If
one vii! observe the distinction between natural
and on the other, the arfncis hover bed and market
garden he Will find it easy 10 accept the vegetation
he enthusiastic Bostonian does.
1T ought to be pointed out IN ihis connection that
the dark areas ana the developments Of The canals
is everywhere regarded the hghcsi authority on this
especially the duplication OF tnc canals and ke= As
occurring rather suddenly. OF course she abrp;ness
with which these things are first observed may be
mospnerc ana the oarths own. which would hide FOR
several days a gradual change Tnen. with a rapid
improvement In the conditions of Seeing. the siua-
ton would be more distinctly, and unexpectedly
vcaled. \ further comparison Of notes TO the
parcnily greatly needed II might assist in ictcrmn-
ing the nature Of the dark patches ani lines.
THE "DOUBLING" PHENOMENON
The fact that both canals and lakes CIR. Lowell
calls the latter "oases') are Sometimes doubled the
duplicate lying exactly parallel with ANA about scv-
cn,y-hve or hundred miles away from the original
the theory Of construction by the inhabitants
OF Mars s more difficult one TO accept. 1T is harl
to understand the motive FOR an arrangement. Then
canals ana gates might account for the time Intervals
between the app,aiance OF one twin and the Other
often within twcny y-iOur hours. j. easily recon
cilcd with what Ne have observed in connection with
terrestrial vegetation along artificial watcr-courses
There l. another queer ihing about the "gcmindtOn
Of the lakes Their shapes differ greatly from time
time. : II they wcr. the products Of accident
rather than design. For instance ismcnius is the
intersection Of the canals Euphrates drumming norf
and SOUTH and Proion!lns trimming east and wcsp
Now. December 23. 1851. Sch!ap1rclli perceived
that the latter was double. and there were two lakes
one north OF the other. and both greaily elongated
in cast and west direction. The lakes We're. in
fact, bands continuous with the channels OF Pro-
toniius. much wider Bat May q. 1sSs the
DISTINGUISHED Italian discovered Euphratcs double
and ProtOnilus single. lsmenius was again "A pair or
twins but utterly unlike the twin lakes Of 1881. In
the first place. their positions relatively to each other
different. one was due west Of the Sec
ondly. their shape wa changed They round
not elongated. a large number Of such can be
cited which cannot easily be explained on any theory
OF design, but which strongly suggest mere chance.
At the next opposition Of Mars. late In January
1888 the planet will be still further away from the
earth than he Is this time. but n equally good
lions during the next few years Is not therefore, par
tIcularly good.