New-York tribune., 1867-08-15
NATIONAL ACADEMY or SCIENCES.

SECOND DAY-BUSINESS BEFORE TIE ACADEMY
-DISTINGUIsHED VISITORS.
' TRIBUNE
Hartford, Aug. 1.-THE public session OF
the National Academy well attended ths morning.
several of the acadcmcans who were missed on Tuesday
having arrived Tuesday evening, and there being also
strong reinforcement OF college officers ana other per
NAV be mentioned Prof James Hail. state Geologsi OF
NewYOrk Prof Benjamin Pcircc, superintendent OF the
United states Coast Survey: Cen g. Barnard, United
states Army: Prof. H. A. Newton OF Yale College Dr.
John Torrey, United States Assay Office Thomas Hill
President oi Harvard University; W. W Cooper United
Sate,1 Coast survey: Prof G. :. Lyman OF Yale; j. NJ.
Barnard, esq, Boston; Dr Holbrook Of Charleston,
3 C., aud Prof A. Winchel OF Michigan University.
The paper, which read and orally explained, this
morning, relate 10 algebra chiefly but are couchcd IN
technical terms and figures which InE TkBuhEs types
readily express and since any attempt To con
dense describe the papers s out OF the question YOU
must be content know that they wIItHu by Prof
Benjamin PcIrcc Of Cambridge Prof. Loui, h Asassz,
and Prof T. 4. Gould. also OF Cambridge. The reading
and blackboard illustrations consumed the entire fore
noon the only other business tat was transacted being
the extending formal invitations to number of gentle
them: NJ Ezur Wright, aud John Gran Of Boston
Prof Jol .ocklesby, acting President OF Trinity Col
lcgc; GcI . B. Franklin ana H. = smith. President OF
prof. road letter from Prot b a. Gould. mon
clny n desirable The first Of these memoirs contains
the observations ana reduction 10 the mean equinox OF
lsGt OF tie night asc'hot o httWteA leo hhu lO sais
observed 10y j. Lcpdute Agcl"t. but not since care
fully determined by any astI0noh'f froI H"nd auus:
The means Tor determining d'tAl uoh' hot nIHt ~ ihl
disposal the memoir contains no Information concerning
he stcuCr strong
opcrmouon I'D Hshl ascension irh,ei. I9I 70
In decnation among these starr highly Improbable lhere
are on an average three determinations OF each stars
night ascension ana INC pObhuc error q. '' I,',t n
oite "a. small as could b. expected or the second me
Inoir which Prof Gould intended o forward 20 the Acad
emy, be remarks: II contains an INVESTIGATION "l t'
prouer motions OF all those stars, about u number
IRON which D. Ageet affords the earliest observation on
record IAese proper motions are uclNtu D{ coHt,tnS
the observations Of different astronomer, reducing them
to common cQu'nOctia point, and from their total de
ducing the most probable value one hundred ana forty
eight stars have been found 10 be- affected with proper
motion amounting 10 as much as OOl ln X A. or o. IN
Decl annually. the largest proper motions now rrst de
tcrinned being aud 0.Gl Eight hundred aud hye
than 0+0l ~ r. A., and less thah 0.O1 IN Decl INC re
mainder Of the stars Investigated, aboEt.40 m number
belong neither OF these classes being certainly without
strongly marked proper motion, put noi suinclthly
often observed to make u certain whether the small cA-
istng dscOrdaHces due TO the star OF to the OBJ
Before the adjournment, which was to Thursday
ing the Academy accepted Dr. Henry Barnards invita-
ton to spend the evening at hs house Gen W H. FRANK
lin, invitation 90 ylsIt the Colt Firearms Works, and
the WadwOrh Athengums invitation To visit that instl
An idea o, the work which remains to be done by the
Academy may lac CLEANED from the following list OF titles
duced from Secretary HOOycr's minutes:
Protest against modern nomenclature iu zoology; on
homoccrcy ana heeIooclc! Oh tLe slshaucc OF 'I.1ts
the animal kngdOm on the structural character OF the
seachaus stenlity skates the ffth pair OF
nerves ana the organ oi nearing lh Sts OH poIVdca
OyulaOn ia SHARKS and skates the circulation OF blood
al by Prof Louis r. AgassIz On the duration Of the
electric discharge by Prof o. NJ Rood. On new
processes in analytical chemistry; Ger
tain points I'm the theory of atOmicities; on
spectrOscOpc notices.; the determination Of wave
lengths by the method Of cOmparlsOn-al by Prof. W
Gibbs On cmbryOOgy and athutIcs Of cycOpteris by
Prof AgassZ algcbras the Limitations aud conditions
Of associated linear algebra; single double and triple
linear associative algebras quadruplc linear associative
agcbras-by Prof Benjamin fcIrce. The precision OF the
cqunOXcs and mutation resulting from the theory o
the gyrOscOpe, with remarks explanatory OF the dcva
tiOn Of rifcd pr0icctics-by Gen j. G.. Barnard Notes
on problem in Curyature-by President T. Hill OF Har
ward University. Observations IN 1866 and 1867 OF right
ascensions OF stars observed by DAgelet IN 7sJ5 de
termination OF the proper motions OF stars first observed
by j. Lepaute DAgelet-by Benjamin Gould.
Hartfords streets having been. Saturday last, In
yaded by army Of ntnitesma Oads, and the public
mind here being exercised on the question OF their origin
gentleman connected with OF this citys we'll edited
newspapers has addressed note 10 Prof Agassz, and
the sAaMis reply Is expeeted % be quito lneIostIng