New-York tribune., 1867-08-16
SCIENCE.

Curw,cAL CALCULUs.-Sir Benz. Q: BI0de,
Professor of Chemistry in the university OF @
recently delivered lecture on tbe lnoT W win t6e
Atomic Theory" in which he assumes as me- ~ i % io
tionof ponderable matter Wch % ~ S neTcnry occupies
space Of 1000 cubic ceutimeteIs 70 dcno,e O d "a
snch manner as to Indicate that nitrogen phosphorus
chlorine, brOniuo, iodine, ana HcFSidI UIuC ,lo
Gen in combination with unknown elements lt claleu %
that system shows there are three ana peIhas ne
fnudaTnentay distinct classes Of elemental bodles o
drst may be represented by hydrogen ana mercury &
second y oxy9t and sulphur tho third by nitrogen ahd @
c6iorile Te onv novelty in this classification II Io
eTmpiug together OF elements OF wdey dldnS nSe,,,ny
ths{ suhstances not Vet dec0mposcd are oompon4as,
aud using symbols of yoiunetrc u hos NOT vet salts
Inatca form of expression, the authof hS Ho'
fa6tOrly shown. -.
C,,,s,s M EAF-DUMBYEss.-l DR.; lNet, trhlt,
tGe Ecw-York Institution Tor the T66 w
e pesi GS anS Ie DSl9h he GSdaees the sng conclusion
inat IN Europe, generally inc ehce 81 ~ t ss in be
limited States, CTS ~ million eEe aEast bea,pe
n Hon here Whie the chances on v 5e oT % ionc less
fLan IN the United States, TO W.T. lo4 III s tbese
and N ln million hcre such siaussai S cause of
SestdnIhbness This striking contrast Ds'WeVI We in
World aEd the New may ee OWING poed m p ON Women Of
the aAoring classes In many count res o bd1I ts M Zen
sfov sfc pmdoranc of congenal cases are ehiehy
nom countries vRetc the 0mik OF the i h ~ | @
Celfc and laEn races. We have very rev slSn S Lo,
fnTTs fron European populations OF Inc Anglo-oAoh
nd Tent,tc ccs and most Of those we nave agree WIN
d. 4meyicap returns in presenting large proportion OF
sofdepal eases The causes OF cOngehital DEAFNESS 'o
A. vel bt vcry imperfectly understood When dealness
A. e stuqrent result Of known disease, or acedcn
n comparatively easy 10 judge with prODaDnity W ~ ,
m rd, cf Olcluti0li but in most cases OF cOngeldl
Toss We arc left wholly in the dark, even as 10 tle
fop AZ The ORGANS Of hearing. They are too deeP d
jot more than very superficial examination IA ~ a @
t,orsIuifos fnr dissection OF subjects known W H"'0
n en- deal inrtcs rarely occur. 80, -. ,,,ol,,,il-
Tbe remote causes that have been, win most ,I
ity assigned FOR cOngenital deaf-dumDh'ss io 'i' ~
Upequa ages of the parents, especially "hetS +h tnT
,tber js cider than the father, or adNdeeu dSc VA 0
Parent especially of the mother, .,.., =, ono or
III health and feeblenCss OF constltullun in @ Ot - W
both parents especially where there Is heieut'I! 'e
dtncy 10 sCTofu'a 49,. ... o.,.ooiar1v I'm
q fmuairment Of the pTOcreatYe power slFcIdA9 III
ue fatfer Though early dissipation OF bad haDI's'
4 MteimarIiaCCs Of blood relations , A.. 80
Causes operating during geStatlOh' tlIouSh M "a
tfed IMAGINATION or nervous sensimhty OF le
l health of the mother during gesatlOn OF pysich
accident during that period. -. 81, - .;,,,a
Intemperance in one OF both parents ABOUT 'ne 'ne
Of conception. t., -...io.. tod ,rotor
inferior diet or damp dwellings OF the parents Oh helr
offspring.
An these primary causes the intelligent reader VIII see
are muiqttS noHdis appicablet 10 Othef cong H
lnfrmties as well as to deaf-dumbness. A de1eCuNe
bTdre gives way at ITS weakest pOlRt aud where heIe
R no specially weak point the point OF fracture may ue
determined by slight SO IL seems there ar lal
bes p which the weak point OF the constitution the
Iaratns Of hearings but in many cases lhe teuensS @ U
deafness rather than TO idiOcy, blindness lanehess OF
some other intuity. biased by causes that OIen
lafe research, because they seem so shsh' u"' '''
flude attention.