Evening star. [volume] (Washington, D.C.) 1854-1972, 1882-04-18
ArtificiaIly Hatched Fish.

HOW THE GOVERNMENT SECURES IT'S OWN CARP AND
SALMON.
we paid visit recently to Armcry Station, on 9th
street Gin the national grounds) experienced the
rare pleasure Of seeing how Colonel Macdonald through
and by his remarkable abors in piecatorial way has
succeeded in outdoing nature and ca, n0,p 7ro-
dce more fish bv actual from the same amount Of
spd,cn than iCOd exist tchere nature alone roud take
its course
The Colonel who has the department Of piscicuture
under his charge has, after thorough and compre-
hensive scientific study of piscicuture at last mastered
that science in all its intricate changes now he is
making preparations to hatch twenty five millions Of
fish in the short space Of every ten days. The
Armory Station may plainly the whole process from
the deposng Of the spawn egg, in the glass jar
tank according to the species. to the full development
the gradual evolution from the germ to the complete
organism and life.
1t 10 known that in the regular workings Of nature
many billions of fish annually lost by the destruction
in streams in various ways of the egg after it is
deposited To obvate this and to actually improve on
Nature has been the colones object and that he has
succeeded there is manner Of doubt his invention.
the Automatic Fish Matching JAR" an instrumen,
which he has himself devised and put into operation
each OF which, although containing not more than
gallon Of water has producing capacity Of from sew
enty to eighty thousand fish, clearly proves this Thou
sands Of German carp and California and English SAL
mon are shipped daily in patent tin fish cases to all
parts OF the country Under the process in vogue
at the station the deposited in the Jar and the
vessel tightly corked two glass tubes ranging from IA
to IL inches in length introduced into the Jars
through the corks the main tube attached to water
pipe furnished with regulation dow and 10 inserted
a. to distribute the water from the bottom of the lar:
the other tube is connected with adjoining lar by
rubber hose about half inch in diameter, through
which passes OF the surplus water and dead eexs
The gravity Of the living eg gs or rather the eggs
tanning the embryo nfe keeping them at the bottom
while the dead being lighter than the water come readily
to the surface and thus pass out through tube No. q
uhf fo o1Vuov koSk s~ A.
tube; thus in ~ hours q mass of seventy thousand
may be freed from the dead eggs and in less than
three days thereafter the remainder may be Matched
By the old process in use by the before the
Introduction Of Colonel Macdonalds Matching Jar the
assistants who COMPELLED at times for whole
days in the river, sank to their armpts III the water
thus producing rheumatism among their number TO an
alarming extent and. IS Col Macdonald Says keeping
them continually using st. jacobs Oil. and finding
great need to do 30.
The Colonel and the writer were standing on the first
door. examining the automatic Matching lara which
the Colonel was explaining, when Mr.. W. +. Pare an
assistant happened along The Colonel had lust got To
telling how well st. Jacobs Oil worked in cases Of rheu
masm brought by exposure at the Matching grounds
and for that very reason the arrival Of Mr. Page was
most opportune.
'Mr. Page, said the Colonel II think Il was you
for whom purchased the FIRST two bottles Of st. Jacobs
Oil we used hereabouts. was It mott"
81 am the man. Colonel. T" cheerfully assented Mr.
Page, but have used great deal Of st. Jacobs OIL
SINCE It took eight nine bottles 10 me- but euro
It did. and am - free froaa rheumatism q II
had never had Il. :"
'sYou consider st. Jacobs on good remedy then in
eases Of rheumatism. do you Mr.. Pager" we asked.
al am certain that il is and am OF the opinion t.s
nothing can equal I'll"
Turning to Colonel Macdonald who wss inten.ly
gazing into Jar Of eggs he asked: Colonel what q
your opinion Of St. Jacobs ON"
my opinion Of St Jacobs OIL IT, that It is splendid