36 
Pearoaso of (kaao ami tJhm&H* incident on Settlement* 
Chany* in ooeloyiml conditions la the Argentine tivoigh 
* .. *» 
%im extension of settlements by am sail developsaant of agriculture with¬ 
in the past 40 |«f« Jmm boon extensive. »«e of foot of this upon the 
fauna h&s uoon aerified* and as always may term of Ufa especially 
ixmzf> the sacra prominent species bar® boon reduced in number# 1'dcugh 
t&e population of Argentina* eesewlat wee# than 8*000*000* is distributed 
war a broad area the bulls of it occupies the fertile pa%ms region 
adjacent to Buenos Aires. &e city of Bttencs Urns alone has 1,700,000 
inhabitants# while apprestaaiely thro e~f earths of the total population 
is found in the provinces of Buenos Aires* Bntre Bio®, Bantu $a lead 
Cordoba, only four In a total oS a 4 political divisions that comprise 
th© repubUo* Mhtarally it Is in this area that tbs stress of cocupancy 
« 
by oivi iiaod cam ha® been ooet severe,and it ie uafortwate for the ©pedes 
of shorwblrds migrant from Jtorth America that a largo part of thea visit 
this region (taxing their southern sojourn# several it constitutes 
the site of their winter bow* 
Safly easier ere who visited the eastern pesr^a© deeorlbed them 
as a vast plains area* marshy or ewaaj^r la many places# grown with tell 
grasses 
that often reached to a 
solder as he sat on horseback* 
or, mm the isolated hlllVof the Sierra fcm&il and Veatene* ee awe 
rolling tracts covered with a variety of grasses# Shese oonditI owa 
prevailed with little dkrnge until the seventies wben& tide of lmlgrat ioa 
set in that gradually extended into the region around ^xmos Aires sad 
drove h-toic or exterminated tine original inhabitants# the Indians* as 
cattle gvas %m the sain industry increased e rapid (teost in the ap~ 
