New-York tribune., 1880-01-11

microscope, at Cooper Union, ana eAclted
much nteres. IN a large audience paper on the
results of experiments with torpedoes and other eX
plosiycs made at the School of Submarine Mining
at Willeft's Point, was read in the afternoon by
General H. l.. Abbott before the Military Service
| Institution al Governors Island.
INSECT LIFE ILLUSTRATED.
| COOPER UNIO, CROWDED 10 SEE PROFESSOR a. A.
sT,KR's ExPERIuENTs-MANY ASTONISHING
CREATURES EXHIBITED.
The great hall of the Cooper Institute was
comfortably flied by half cast last evening on the oc
casion OF a lecture on Insect Lie' by Professor A. A.
Starr, of Westhsld. n. J.. and before the
| lecture began every seat occupied ana
| many persons standing at every en-
trance the entire capacity of the hall being occupied
Peter Cooper upon the PLATFORM and Dr. Rossiter W.
| Raymond presided aud introduced the lecturer, OK
whom he said Professor Starr has. for quarter OF
a century, spoken aud practically operated before
the public. and basng my statement upon
| knowledge OF the facts, venture to
say tnat you will tonight some Of the most
| successful and remarkable exhibitions of dead ana
living anmacu!H you have ever seen or are likely 10
see"
The insect life that formed the subject of
the lecture consisted OF that which Is IN
visible, or nearly so. TO the naked eye; and
Professor Starr presented his specimens TO the
audience with the aid OF powerful microscope through
which strong Oxy-hydrogen light was passed,
| and the objects portrayed upon screen,
| the circle OF light being eleven feet IN
diameter 50 highly were they magnihed that only
small portion some OF the larger insects which were
an eighth # an inch in eugth. could be shown upon the
screen. Professor Starr spoke wih enthusiasm aud
kept ms audience amused while he instructed them.
We are apt to forget, he said, when listen 10 lee
| uics on astronomy. and hear OF the millions and
millions miles that intervene between on" star and
Il Hsfen tn all he
| mighty world above, what "a world there IS just
| below Us. and how wonderful are the facts OF
the tuGuitesima universe to be alcd 10y the
m.croseopc. have found this island alone over six
hundred varieties OF auimalcuT that cannot be seen by
! the naked eve. all microscopcal insects.
The division between nsects and animalcu'e Is not
easy TO state. There are insects that cannot
he seen with The naked eye, ANA there ami
macuae that be But of all the six hundred
vrictcs Of animal e that have discovered here, only
six can even with the gas microscope, which
shows t1ousandths OF inch, while the light have
here show, miIonths.
have been for thirynye years investigating these
ittc creatures, aud my experience may teGch some.
thing 90 those who think thar children do
not acquire their ruling passion wmlc Young.
My interest dates from visit 20 museum
nc the age Of iye yearl have tried business,
but as always bought a, ~ and sold for 30 cents,
did not last long that ~ returned 60 my insects.
have here some flour aud water.
FIRST GEr YOUR ANIMtICTLAE.
am asked often to show water containing auiHacu-
ae. can 30 81 If you viii b.iug me wator containing
them. But except under special conditions tlc water
drink is free from them; which is contrary to the
generally received Goa. Now cooks set their bread
sporce 70 rs' Before fermentation they kuead 10,
and when thy have prepared IL for uso al
need DO. Brt my mixture ~ allowed 10 fcrmeut
before usc 10, aud the animals are generated From
TIE mixture tn} VII cta" np hnd a.! and ii The dus
tuu formed thc microscopr discovers elghi'tggd ani
finest Stock OF living crraurs have ever seen shall
SHOW thtu io Yuu dead and living. and viii ccl them
before eyes The wt"r-t.Eer j. htf a. long my
hlpi on thc Cyclors. and nierwnrd. the Ddiscus will
onhi they occn taken nom bees and from, house
o. hud tl.m On ofds; label them win
ANY lr by comrlrson of the parasites found upon u
with those m NY collection The saw-ny winch shalt
| show you h. called because II is armed
ii's lear vb,rc t, doposif,f. ceys An tbrsr wo,
drrlr things tuc work of God. The Blhc docs
I'M, Instrument iy which iiaso srct- wil be- s.on
nn aperture no iaryer Than pms head a.,
malls arr.ir ard dc,onr tho spll'cr ones. While slc
ra ones, for compens lion, VIII torment the large
TIN rIrsrrATIoNs oN rHE sCEfEN.
The lights iu the hall were then turned down, and
many interesting ol ccts thrown upon thc screen
TIE lex ana foot of house spider were shown over
Two irct 10 width. 4 taruntua's hairy icg ter
foot ot ny occupied eight feet OF q screen, wli.e
90, lex hl'd tle whole eleven iert OF the circle
O. VISION. Other OH 'ct- wcr" trcniu.o taken from
~" -H"unri Z" % man we" hal u,d from
The d asc produc "a bi 10; the dust of lNicr1ys NJ
that a. only G;-t uron The hng,r ulcd up tie
lcrccn; thc wing OT t,rct really not
larger than un head seemed Hvo feet
a'r"-* ih, lrotosc.5 oi a mosquito was drawn
aud Wa. sglt 90 Go" cnd into two sharp points. Tac
tlronsH "hch ur animal 6re't".'. and the
olh rIl g" w." ~. lngt 'Nn' 90 FlAwrlm
Zlrl of c,A., the ulaho.cIs of but r1y. show NJ
fnr oDclar. ..m Tor curylus It into honcy-bclrin
Tat the acld % nav ant" said thr lecturer. speak
ir. 90 tn' a.ugru. u. PuicnW ~ cOcksolc began
,ir6 tI,rfn we're one hundred and .ixfy Ni91 sb,r,
en,d tAcy wdcHcl. until a. te end tnry looked hko
il fhc f'nd t.iat can fcnl from tn cellar To- lie srI
The sung Of tho bee vanished bcvord sight, even
when hgaly magnfed. while the point of the finest
mouth " to ba "'' nat " cn 3 said % the 'qS sciuSSr mr.
hc ghowcd the end thread three feet wide. iy's
eye rd the -uncc OF the screen with hcxagona di.
visions tcn and afterward thirty. inches In diameter.
The most interesting exhibition was OF the living spec
ifucns 1nc -four ana water contained mytinds Of
wrsgiug cells, apparently two fecl long. They
in the -four And where they came from oUS
sbont The screen, trying 20 avoid the light. Tho
suckerke mouth ei tue Hat snails were distinctly
IN notion Naultors" Ia countless numbers, turned |
sunmersAnlt Insect nder with parasites wandered
a3ouL HYDRA" animal IN production. but vegetable |
v0urcd. But the water igcr the favorite of tho
audience When he had been sufficiently stirred up with
Wnat looked Ike cTowbHr the screen but vas no
bigger than n toOth-pck he displayed a most |
RENAL knbe activity. The smaller animals !
that In his way he snapped mp dog snaps |
"A rs and his nervous aud rapid turns OF head 10
watch for other prey delighted the boys. Having cap
turcd "cyclOps," the operator slid into view !
the stomach OF the beast, into which, transparent
the light the morscs plainly pass after
which he certainly hcked his chops"
The final numocr on the programme 10 have been n
neh bet The tiger and the Dldcus, huge eochike
fellow,
10 win; hut he was not inclined have any- |
body butohcred to make holiday and de- |
clncd To come to the SCRATCH" although tho |
tiger showed degree OF courage that dId |
more credit 10 hs valOr than 10 his discrr- |
Inn Anlienrn rciirod dclighIed nm |