Amarillo daily news. [volume] (Amarillo, Tex.) 19??-current, 1920-07-18
.FEARL BUTTONS DEPENDENT
UPON FISH PRESERVATION

WASHINGTON. auIy lt-ComplcS.
D., '. modern industry be IrilN Mus
'untod hy the fact uuat sou pearl hut.
our 1901" dcpcnder, ur"u preservation
CERTAIN Mslnpm River fish. Fiys
q bulletin from tho headquarters of
.hr National Gcumphpl Society.
This economic curiosity b. explained
u 90 communicable Co. The So.i'iy hy
'llurh NJ Smith us follows
the p,ipctuntiuu eft tu, ,ish supply
20 'n, Mississippi ana be- tributaries
involves q very important nuus.r, h''
Id'e fishing investigations conduct
q iur the Euroia OF Lishui's Years
lau showed nm intimate relation be.
tween certain kiuIs of fishes and Oh"
us..Is. which N.,U ,Hiui Die urI'ls
land supply q pearl button industry
.WhI.h gINcEeuplDiw.n Co. .hUIt '".'
uu0 u,rsHus ANA hls uHosr' worth
from 81 ooO ooo 10 .6uouou1 annually
The Young mustls OF microscopic
size when thrown uf %, 'N'ir ult,n's
m mvllids need 'o pass the t.rsi few
Vc,.a of their iud,p,nlor. existence
600 tie g.lls uf nsl's lt Tho ii.h,'
lr, pool; present .ut fl. mi'u' umr 'ho
mu.suis cannot survive, lWth,rnuI"
--lrd ib,f b. most ut"r 'i'r feature
NJ ti, correlation 90 usI'. Hud Huss'ls
tho y,u"g of particular kiuds w IHe
s.i- require tho stills uf particular kinds
.W % h,s lH nurseries
TN. Ebrs h1s. i4 G 70 rr 81
SORTS uf musol 90. u.nui,s lu. SOS.
rrI ,'h,Is On, pl'n.H.s iHU oth"rs
Tho slpil,k. % kin u.f r'uIng b. th"
only known hosf nr trH u,.t ui 900
mu,"l. and as th.s nsb is u0t hy any
means abundant. is maintenance is n
primo Importance to the welfare =
90. button industry in '''' moro
.u1n ul, and bal. million s.pfrNs
v,r, rc~,u,d.
The peculiar requirements OF ~"
yomg musscls hrNiu. hH'n carefully
determined. the Uurwu Of Fisheries
Inns rur, extensively into th, hU-,r.
.t- HrI',ml popIpI.iOn ct u'H'Iv must
s,la hy method which !. J vast boa.
pu. tpH,r' 'u uHtU IN" spTH.iHt
..u-..ls r.td bon ponds. aiu 90 fho '.I..t'
,al p,riud provided with no. -p..il
r. l.s n..dod fer tho attachment ~
Loo, ,.urr tn gshDs obtained 900 inH
o.. wDU,,uur rrr tuu.d mi" th.
ponds 200 tho tu, $50 i.fg-'ls are
spawning ana b','mc ihirlly iuoru'
n'.d They ar' thor lih,mt 4 iu "a
op,r water ard disuIhut" thoWs, tce
anil tho wuss.ls throughout Wid
stretch OF river Thus two important
trauUh,s ot tho Bureaus wei. 800 hnnd
o. band
Tho artificial propagation n fresh.
vltnr nusspfs o. uro uf M, functions
81 irc United States Fisheries Hi0lo-
r',ll Laboratory ln'1tod Dn the Alis-it
sirpi River near Furport Iowa Each
year from .o0. 600 ono tn 3ou.oooooc
vnur. uu.s.ls nrr thus brought in com.
ta,t wlth the ellis ~ rescued fishes and
given % proper star, IN No" The main.
t,r.r.. or the must.l supply Is thus
being greatly aided
That This worn B., not q mere export
MONT. Iu' is Welding practical results
Is shown ly various piorcs of evidence.
Tu in.rray p,nrl buttons have been
mad. rum Mississippi River mu,- is
grown .fm lrt.o that had been art.
Npi1llv implanted con- the rills 81 %
hinri, tl-s ~ sfhnn two yoars before
aud had boon under constant ohsDrr'
ticn rl"so muss.ls would have CO..
alr.d flll commercial i've ~ tho age
.us tar ANA hal, years