New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1866-08-11

NORTHAMPTON Mass, Friday Aug 20 soV
The fifth scientific session began at O'Clock thiS
morning. Admiral C. II. Davis took the char F'oL ho
Of the Smithsonian Institute then offered paper oh sounu
its Economic Applications He gave an account oil thsoi
ganaon Of the Light House Board OF this country. iD'
Board Of officers Of the army two OF ibe na'!
and civilians Of high scientific attainment Three mem
ers Of this Academy are on the spoke of the com
m;teo lighting experiments &C. Being aimember OF the
committee experiments he account Of some which
hsd been made at the light house Nes0yen, with
view TO selecting the best OF using sound for giving
warning 10 ships They had tried steam whiscs fog
bells. &c. steam. whistle which had been presented
made very great sound, which was ssia
70 have been heard at tho distance OF 20 miles.
III. Instrument they found best adapted thor purposes was
fsgfumpet. which gave the most sound in proportion TO
power the way Prof Henry stated as the most sur
png fact observed that tho sound was found TO reseh 70
The greatest distance 10 direction angles to the course
Of instead tho direction Of hewnd as would nat
uay be supposed thought at frst that he must be mis-
taken finding something similar in French scientific
magazine constructed instrument by which he Fered
bis previous observations His experiments were s very
incomplete he hoped with his instrument 10 work out
some valuable results Prof. Henry added remark as 10
automatic machines offered 10 tho Board Mono lad been
adopted except one invented BY Col Baehe Of the army by
which tie waves dlhlng into tho lower end Of boo IN The
rock 9o trumpet sound at tho upper end by The oo1mn OF
air driven up He asked for any suggestions the academy
might have to offer that woGd be Of use to the Board
IL, ,nbees Of interrupted sound and change and variety
pitch brought up also tho question whether sonhos
Of different pitch Travelled at different rates Of speed DE- D.
A. Gould spoke Of the experiments Of Mr. boyden Of Boston ~
n line aud then took to Ipay tribute TO NJ Bow
dem. genius which little known because Of bic modcey
oilers spoke similarly Of his inventive mind careful obser'a
ton &c. aud Of great importance Of persnadng NJ Boy
den to publish his Eesus
Prof Acsssz next spoke ION tho Geographical Distribution
no Fishes the Waters Of the Amazon He found when be-
went there ha about species had been described. We
have ru. sorhy information that the greatest number seen
wa, n4 yer 90 Now ho himself had collected specimens OF
over co. species and he convinced that the whole nam
Der species least Geo. lilo spoke OF the aces ei
enGc. hy tho Government Of Brazil the Amazonian Steam
slip Company and by every whom be met without when
he co have ACCOMPLISHED little. Even the fishermen were
erad ty the Mayors Presidents Of tho provinces TO go
shiuS FOX him. Often fye boats would DC about bis
Ship bringing fish which had Been speared shot with arrows
caught n nots or With hooks poisoned He thought there
hre that collection Of fishes o. he bad bTougm homo
vOnll no, soon be again The Emperor OF brt1l re
ua, fom the army tho Paraguay cent oT hin 20 talk
With him of tie Imagine hs delight at hnd Es sac
tlc covered shes filed with tho fishes Of The rraensy
which the I'm peror himself had gathered end which he then
gave him for comparison lie believed ne not wrong N
saving m the basin Of tho Amazon is The largest reshWsf
basin IN The world. II COWS through country 3oo mixes
Inns Win l OF only $50 fee AS resu Of this tae zine
Il ang up OF the Upper Amazon is sis months e@ei ut
thai tie mouth tributaries the south eide sapps %
o in December while those tho north tsfo their turn
in J1re This is the economy Of power in Tbs grand
river by which ts rise and fl rery much eonn'ci
sc'.d Many Of these rivers are hnged with some ton
ton Which he thought to be vegetable AID winch iaJ
h,ckiih color Those however which took then rise ni
iropo 4 forests were clear The Amazon Is 80 While ~
color .a when Rio Negro po1rs in its black tide Il does
not ssc The white rather ovcNts The b'aes
OF ihs go coors TOW side by sdo or many mes 1he aver
a. c pcFafure OK all these rivers Is n deg centsaGe s
tc r 20 Only eve deg oentigraie. II would be af 10 ad
basin q such squsbo tempsraare The known fshes 81 he
Aoson are the snown fishes OF the Atlantic while
sse ~ the characteristics Of our hshe, and thcs
Amaycnan fishes in comparison Ibe uost ctaIae,'t',u
Tolts much nearly cur surgeons There Is linz
stur,ehn in the Ms.issppi Ryer which Ls closely sisd
% seS i. r e b5. ERIK S.P iRiS;' sso@ s
nohlg ouI oS igrsl fsom their presence p cerisa i9e
r,ry mailing collections different paris tho rer
uy months at the same time SO hot he e that s cor
family Which quite numerous Is that Of the SiuFoG lie
knew Of no lake small this country which iorrsted
thsa species Bu N very small take ~ Brazil he
procured An larger raiabeI@ fSe nsIt family ,a,t
American, with f9w species in Africa. He believed hc
..lf added l9where tho boundaries Of ,rans,on in
geographical distribution OF these fishes were and what
spread h about that he Of the fact bui
he could aot vet beyond It, Every prominent type Of ile
Of habits q these fishes Many species carry theS eggs IN
tie des the mouth se food OF tobacco II yon please
become attached to The lower paT. Of the abdomen others Sc
upon ler eggs like a bird ono Glars covering item
- X -s % sss }a Ss INV SsSn 70 . hatch s
ard herring But iheIo are some tinls Of sh
SS S ~ Sn has s s
none than At present explain the local o.
sworlsb &C. he finally spent three weeks q of
the mason receiving oity from the President OF the
province Para 10 see what fshes went into the ron
lie river he other way lie did not know single cod
hshhke -h the coasts VI ETa2l anything The tho
psi pn;ings Of 500 freshwater fshes and Of e species
from lfe ocean. II there Prof Henry could LEI him b 10 vol
Of lie Smithsonian Publications. We had the maies
Prof Henry spoke Of the great value Of science Of Prof
OF Brazil and Of defy Of the Academy 20 take seton
showing It's nppeciaon OF and gratitude fo their tedncss
Prof Ierce paid tbne to Prof Agassss mo0esiy. per
soaal iaalerce. worth and scientific character
comnie 70 take into consideration and report spo0 tee
ciaton and gratitude will be appointed.
DE- B. a. Gould was neat ID order with psps' IRE
iesd to-day lie recalled the fact thu, he read paper year
ne resu, the stature Of LOCO coo men Clefs had
been sen, to The acknowledgements Of the different States who
how mroA satisfactory tho statistics would bs We had
The stature Of me earlier troops who must have been star
hight hall be given ~ tho nearest iourtS nch ys
ne number whose hight was given in Whole inches
Der whose stature ended in hall inch was tHies ioe
great shaving the tendency Of the 10 tsse round
numbers Another striking fact developed that tho time OF
faachne TIE Es1lmgm hight much later than IS
orally supposed being % IN new born in America Agsn y
oud faf hight Of those at IS 10 not great that OF
those a. ~ sni 80 This he attributed to tho consolidation Of
tho ea,ttcGe. OF the backbone II night be ssa
thai BIZ carrying heavy weights. &c. the hisbt
was oiu uished few hours He thought however that
ho error Tor have been eliminated BY the great
number Of measurements made Of all honrs Of the day
The attempts indicate rate OF growth not been found
saciory The for maximum stature earliest
IN States where the hight s found be the greastsn
e,ueced lesnt Again the foreign birth were oonsid