Chaco a» far as latitude 'dZ aauth la Septftaber. Southward migration 
/ ^ 
of tharOMvdft bagsa July 31 at Ms Xtolasa Obaoo, -and ms at its i*3%ht 
daring the mam of itapteufeer «to#n X « In Paraguay* 
On October 1, I returned south to ib» open gos^a® of central 
Argentina* Slats* tog growls of shear obi rds In mo Province of Bassos 
Aires were savored In October, early ita*oaa»a* # the raiudle of Deeembsr, 
and the first wee* in Mardh* Similar country was visited in January 
and fe’ebruary in Sfrufpsy where 1 woUbkI eastward in ft swreby region to¬ 
ward the Brasilian frontier, and late* in a bttfu* area in waters 
Uruguay. During the latter part of Severer and the first half of 
DoooRibor 1 coverod mvthern Patagonia la mo territories of bio Users, 
and Iteuiuea, pvoftsociim; westward to the baa# of tha Andeo* After m» 
oid&le of Hof#* 1 vieited mo eastern footoiUs of too AftOftna range in 
the Province of Mmtiom* m& mo luvol region at tbs eastern bass of 
ms jaonotftifss in that area* Shift want wu© continued daring the first 
part of April fur that north in the MNNlaftft of SMOM* SkvlfewMrd 
moment ftsamg} endure bosun at ms and of Juimary and gained in voluoa 
through March end April* '-3a A&Ml ZZ, l orosami to talperoiao, Chile, 
and after • was spent on mo coast at aonooa north of Valparaiso 1 
sal lad for Stow fora via the .fiK>ii> Caml* 
She original plana for this trip sailed for travel in southern 
Brasil, but this 1 was foroea to wait tbftfto#- laas of sufficient lift 
- ^ rr " ^ T 1 1 
ly 
Awing m@ period whaa our aleatory bird# ware present* ftlnijUM^iWW8t 
ia Chile was our tailed wring to the need for observation of aa ostoasivo 
