Belmont chronicle. [volume] (St. Clairsville, Ohio) 1855-1973, 1873-12-25
ADVERT ISING RATEl

ttivated plants are traceable to a dis
tlnct species, aud that the dOmestica-a
ted pigeons which furnish so, large a
portion of the illustrations are, not
lwithstanding their great adversely un-lI
der special treatment, no exception to -
this rule" The review closes with the
assertion that the greater part of hes
argument, both with Darwin and his, !,
followers, is purely negative, aud rests
partly upon The assumption tiiat,j SIM
the succession oi ages, just those trlnsi-as
flon types have dropped out from the
geological record wh.c.f would have Z
proved the Darwinian conclusions, had
these types been preserved, and that, in
the living animal, the proce- Of trans
IitioB iStuo subtle. for detection, thus. 4
throwing off the responsibility of proof
with respect 10 embryonic growth and 2
geological succession-',--
Concerning The famous discovery
made by Kowaleysky, of the presence 4,
in the AscidianS of 4 striug OF cells cor
responding to the dorsaI cord in Yer
tebrates, tliearticle s.sys that the exis-9
tence OF this string of cells WAS. preyi-1
ouSly known to u. .turalists, and that he
himself had intended to say Something
OF their nature and position had he
not been anticipated by Non Bter who
has recently publishetf pamphlet $
unOn the Development of the Ascidi-
ans us Compared with the Vertebrates,
in wiIicii pamphlet he shoss that the
string of cells runs along the yentraid
side ri the body OF the Ascidians, and
that their development has no, true
hOIH"l. g with That ofthe Nertebrates-
'eTo say that the first Nertebrates or
their iJrogefiturs carried their back-i
bones IA this manner said Prof. Agas-1
siZ, ''iS about as reasonable, as to- say
that they walked on their heads"
The doctrine of iiseckei nat-starfish-
es are compound animals, Inatie-up, as
itwere, of wor,n-iike beings, united
like rays in one organism, n doctrine
which, if true, would establish q trans
ition from Radiates TO 1S.ticulates, is
pronounced 10 be anl assuiiipsiOn with
out foundations In the structure of the
startish., Tiie, srns uf these animals,
being madc up the slne parts as the
vertical zones of all Radiates, and ar.
ranged around a. vertical axis, icaanoti
be compared to those 6fany Artieulats,I
in which class the parts are arranged
along u longitudinal axis, -5..-,'-.I--,
The topics of metainurphOSis, hered-
itary and natural succession are very
OllCliy COiiSiuCiCNt, anu dlLtClCt -ClO--
ses with Il consideration of the geOlogi-,
cal side of the question, in, which
ground is taken against the theory OF
transmission Snow3 that the lowest in
structure is by no meanso earliest in
time, and since, therefore, it may be.
said that Il great diversity of types has
existed from the beginning gVtEH
In the closing paragraph Prof.. Agas.
siz mapped out the course which he in
tended 10 pursue in future articles, say.
ing: ''I hope to show, first, that, hew-.
ever broken the geological record may
be, there is II complete sequence in
many parts OF il, from which the char,
acter OF the SUCCESSION may be ascer-
tained; secondly, that, since the most
exquisitely DELEGATE structure, as well
as embryonic phases OF growth, of the
most perishlhe nature, have been pre-
served from very early deposits, We
have no right to infer the Disappear;
ance of types because their absence dis
proves some favorite theory; and last
ly, that there i, no eyidepce of direct
descent of later from EARLIER species in
the geological succession of aniinals.np