The New York herald., 1851-08-26


The amount soluble agrees very. nearly with
the solubility of the anthracite ash, while that
soluble ia acid is only little more than half as
much.
A qualitative analysis detected the presence Of
silica, iron, aumina, lme, soda, potash, sulphur;
acid. and chlorine. Separate qualitative analyses
were made Of both Of the portion soluble in water,
and soluble in hydrochloric acid.
MIR. WEYMAN then went into an elaborate table
of the portions soluble in water and acid, by which
it appeared that all of the alkals not dissolved
by water, and about third Of them was deter.
mined in the acid solution The ash was washe 1
with water until the water gave no ta;he. The al
kales existed, undoubtedly, In the state of slli-
Gates.
whole ash, we have the following results s:-
Bnantinors. dWtyacne.
Red Ash. Yaix Ash.
so42 ll0l0i 1881
But the slightest trace Of phosphoric acid was
detected in the btuminous ash. BY comparing
this ash with that Of the anthracite, We fnd that
this is much more rich in alkalies. Ia the aathra
cite they amount to about 4 Of q per cent, while
here they exceed one per cent. The lime is also
about twice rs much. No maguesis was detected.
The absence Of phosphoric acid in this ash lowers
its value as manure, but the presence OF SO large
quantity Of alkAlies compromises in seme measure
for its absence. These results fally confirm the
value of coal ashes, and their applicability as
manure.
President HITcHcocK, OF Amherst, presented
communication on the geological age OF the Arge-
OPTICAL AND PHYSICAL PROPERTIES or THE Sup
POSED "CHLoRITE," OF CHESTER COUNTY, PA :,
BY Wm l.. BLAKE, or YALE ANALYTIC LApoRA.
TORY
made by Mr.. Bake:-Ths mineral occurs in Ches.
ter county, Pa in serpentine associated with ma.
groste plates Of irregular outline, and in trisn
gular plates and tabular masses one Of which re-
presented in figure produced by Mr.. b. These
plates are equelsteral triangles, and they much
semble the triangular Gle .yige specimens of the
micas OF Monroe, N. J. The cleavage is not 50
perfect as In the mica. The mineral is highly
iameilar in structure; the laminc being flexible
but less elastic than mica; COLOR beautiful emerald
green hardness of cleavage su. face, 2-2 scales
Of moes opticaly, 1t Is biaxial, with high angle.
Two specimens gave, on examination, the folio wing
for the apparent angle between the optic axes:-
et9 30 mean Of = measurement,
The plane Of the axis is perpendicular to the cleav
age surface, and a. right angles with the base of
tue triangle, a. indicated by the in the figure
subuitt.u to the meeting. Optic axis were
er,d in the angle Of the Plate opposite to the basc
having inelinations similar to the Others, but the
plane Ia whch they were inclined formed, with the
plane OF the other axis, an angle of sixty degrees
MIR. Blake submitted tri angular specimens of this
mineral, and explained the portion of the Optical
axes. The name eiinoclilore was given to the spc'
cies by Mr.. take, as II differed 50 materially from
shlorite On mica. Mr,r Blake also presented tne
results Of an examination by the blow pipe.
The following are the observations made by Dr..
hare OF fhhadeipha, releIfed 70 Ia one VI my pre-
yftGs leittrs'-
STRicIvREs iron REPORT RESPECTING Sroaus,
RECESILY MADE ny PRuF. EsPY TO rhE SEcRg-
TARY oF HE NAVY, As 10 THE THEJRErIC DIS.
puCIIoNs 1HEKkiN ADVANCED, by DR. HAZE.
have seen a report made 10 he secretary Of the
Navy by Professor Espy, which, so tar as 1t CO..
ftcty records the phenomena Ot various storms,
IN 7st be honorable 10 the author aud worthy OF the
del arimeht Oi our government, unde- whose aus
I ices IL has been made. Doubtless, in this as IN
other publications originating f-om the same
source, there may be an exhibition OF ability,
ITitty Of making ANY particular hypothesis the
subject Ct osis report by its author aud ardent
advocate, unaccomr ,Lied by a fair summary OF the
objections which have been IN ,de to il, any no
tice Of any other hypothesis which may have been
advanced as Preferable. With Professor Espy's
opiDiUus ] concur 80 tar as to agree ia the ME
that hurri .anes and tOi nadoes the cJnsc
QueIce Of the ascent Of air from focal area or
Inteimc diate space, by which confluence frOm
two o. more opposite quarters to supply the deficit
thus afising is InGGceu; Jet We ul1er as to the
Of the ascent OF the air in such cases In the
year 1885, 4 advanced before n meeting OF the
American Phiosof hical Society, that the cause of
the ascent question was discharge of electricity
between the earth and sky. This explanation was
made the subject of memoir published in the
transactions ui that society IN lSjO.
j Will cndeavoT to give a sketch Of the views
sLich ] now entertain On this subject. hoping 10
pTesent them nCie briefly aud iorcloly than / did
at tsat time.
Every person familiar with the phenomena Of
electricity, as produced Ly mn electrical machine,
must be swaie hat there Sse t~o MODES In waicn