New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1866-05-29

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THE AuASrHUs smK-woRM.-Much has been sad OF
and hoped for from the introduction Of 'he SIX
producing that feeds upon the ailehas go"d"os1
From communication of c. V. Rilcy's, lately puDhshe'
in The Prairie Farmer, Chicago, we are led TO belieys
that the sangune hopes Of persons thar we soa
be able TO produce an abundance OF cheap SIX ID i'
country, are doomed to disappointment. Mr X. says
These worms have been extensively tried IN France VIZ
introduced TO this country by Dr. Thomas Stewatdsoo
s6 at Philadelphia IN le6J raised hundreds OF hen ~
Chicago The natural history Of the aaGhu worm bgy
Cynthia (or probably with more proprety 1t should pe called
the Saa Cynthie) brief is similar that OF al ether lep
copterous insects OF the family Bombycide.
The female deposits en- nm average $50 eggs These are
about 00 inches long cyan FORM and OF creeni coo lIy
spotted in places with dark green or back pifes men
can be rubbed off, They become depressed four after being
Matched aud acquire greener hue JUST before nsoIg dn
hatch nc temperature OF % 10 ~ rhhenhs heSeius
pillars yellow with black spots and ubeloe aud are
covered particularly toward the head win me white e
les SIX days after being Matched tney cease eeds LOT %
hours and east their skins They perform th oets
tion four times each time becoming winter Aer e ,9e
fourth Noting they are covered VIII neau,u VIII
powder bloom which easily rnbs on The ia grove worn
when crawling measures over three icae tne oC1 fn
light mesy blush green-dincut OF descripVn-wih ai
rouudish spots darker shade more decided on the SIDES
and region 1t has blue tubercles and black spots
Head and horacc feet shiny yeo"ish green fI9eg 10
gether with the last segment light orange yeoW
OF dead leaves in five days TO chysads ana IN inIee
the moths appear These are OIL Iasy yeyw
males are all smaller than the females have smaller bodes
and wings the hind ones, especially IN being uc
raised two broods last Summon without difficulty the last
of the second brood having spun on the ga OF sps
be- Not died. either Of these raised Ia doors OF OUT Oh
the exposed the weather. except BY accident or IRON
the attacks OF birds. , nm, =. -
climate there little question Of ts merits there being few
places continent subject to more sudden changes and
of Temperature than Chcago but la an economical
view the sangune expectations OF m advocates nave
been realized and me J%'o which y a.
its favor By Commissioner OF AgrcntnIe " never WIZ
take The place OF the mulberry slkworm and d. r. ~ onel
,fs davf maxi
menng with other worms and has lately laid before the
Academy Of Sciences Paris species OF Bombx (1ahese
which obtained ON the frontiers o OSSHn1ee "n ' VA
an oak QBecRs LaoGnG. ,.-
The Aianthus has two very serious
The cocoon proongaed and its threads are attached D!
strong and very tenacious gluten or which reasoh has
been successfully unwound and even eardng Is nor az
easy operation In endeayorng to dissolve this uten BY on
orent competitions obtained great quantities OF as9apy SUD
stance yarnish which might perhaps De turnep 70 soe
nae and when by patience succeeded in dssoyng the gluten
of few sufficiently unwind them, the thread broke readily
by weight Of ts own cocoon The SILK when wouna on
compares unayoraby with that Of some mulberry worms
reared several years ago. The threads have NOT @ es
not as thick BY ana not Tv ho dnarent while in
Paris last Summer, made many INQUIRIES ABOUT LEV sa H.,
ing machines FOR the purpose OF unwndng iho cocoon ou
could learn nothing about thom. .
AS The disease OF the mulberry Is increasing all the
80 80 iuanthns worm although It's silk will never super
sec that Of mulberry yet become OF great CONNER
cia value In EurOpei but In America-On OUT posq
prairies. where We have native worms tnOe
will never become Of great value It's however, az
ton TO ne country, % department Of Agriculture
pcrimcnis and efforts made to introduce the dsEeopeh
Of our ON silk Is more eomnendaDie ana ausaO
! now that its real value IL known. go ,.
II ever mesns discovered that vii enable ne 70 nnNn'
tho Aaulhus six the means viii Doubtless eoaDe US
orund that OF our native worms and long a. II can on
BE- used BY cafdng and spinning our Ataens ccrH anu
povsEs IN my opinion have the preference since he GO
ooons Weld greater quantity Of silk and the worms are IL
/ dgenous on our different iOTest-tfoes
II Is gratifying also 10 know that these are receiving cor
etebe acutoa AZ the present ue, and DR. Morris OF Bal
tImorc informs me that Mr. Galsesy5 "a Washington ha
snccesded admirably recns the silk from cocoons OF GU
Cecropa worms aud Mr. Tronseot OF Mediod, Mass nae
duyug the past two years made experiment. on large scar
with our native worms particularly those Of onr poly phemou
bv Mr. (iroe ghly Of them IN series OF aTti
ces on sk producing LepldopeFa paOsheu III IAs fre"
/ Taf0fsoi0gist -, -. 4. /.
wise economy develop resources and would DC
pubo qualification be able 20 manufacture native s
we have TO abroad annually large amounts OF gold 10
/ this commodity