PHOTOGRAPHS BY ALEXANDER TJETMORB _ 3 _ 
22017.....Trail or picada through El Montew Ingl€s^ spfcaSag plant known as ^araguata^ 
in foreground. Riacho Pilaga, Fbrmosa, Hi Hr " 1 -8&, Argentina, Aug. 11, 1920. 
s/lvV*. 
rb 2 2010.Hacienda Mewfe** Linda. Riacho Pilaga, Formosa, Argentina, 
Aug. 14, 1920. 
{jtX ij, 
3 3S 22021.Work quarters at Hacienda Me***? Linda, Riacho Pilaga, Formosa, H±±7 
Argentina, Aug. 14, 1920. ^ 
BS 22022.Alkaline flats bordering stream known as Riacho Pilaga. In summer this 
stream runs full. Riacho Pilaga, Formosa (H - i 1 -^ -48&) Argentina, Aug. 14, 1920, 
Bo oc Qc.3.... . S'U, |i Ai4U"Hxiw-«ii acho Pilaga at low water stage. Riacho Pilaga, Formosa 
CKil.^JOO^ Argentina, Aug. 14, 1920. 
BS 22025,.A. Wetmore. Riacho pilaga, Formosa, H i Lr - ! •&£, Argentina, Aug. 14, 1920. 
BS 22026.Border of lagoon in Chaco, grown with rushes. Floating masses of water 
hyacinth in distance. Riacho Pilaga, Formosa, JWh'y — -IR? Argentina, 
Aug. 16, 1920. 
BS 22029.Work quarters^at Hacienda Linda Vista. /I. Wetmor^l Riacho Pilaga, Formosa, 
Argentina, Aug. 16, 1920. " 
BS 22031.....Crude boat called cachiveo at border of lagoon. Riacho Pilaga, Formosa, 
Argentina, Aug. 17, 1920. ° * 
BS ^203^.... .Alkaline bed of oIFeem** 1 hnsam“ns Riacho Ingle's when water is low in winter. 
Riacho Pilaga, Formosa, Argentina. Aug. 18, 1920. 
Cl 
BS 22034.Small opening, marshy in character, in forest known as Monte Ingles. 
Riacho Pilaga, Formosa, ^44*5=452^ Argentina, Aug. 18, f920. 
ES 2 <A)o6. ... .Indians trading at Hacienda Mo a &e Linda. All purchases are made through 
an outside window to prevent robbery. Riacho Pilaga, Formosa, 
Argentina, Aug. 18, 1920, 
BS 22038.Nest of Lenatero Anumbius anumbi in top of railroad semaphore. Kilometre 
182, Formosa, Argentina, Aug. 21, 1920, 
bS 2039..,•.Ant Hills in marshy ground. Kilometre 100, Formosa, Argentina Aug. 21 
1920. ° ' " * 
ES 22041.....View in one of the palm grown marshes known as a palmar. Formosa Formosa 
Argentina, Aug. 23, 1920. * 
BS 22042.....View in one of the palm grown swamps known as a palmar. Formosa, Formosa. 
Argentina, Aug. 23, 1920. * * 
BS 22043.Sluggish stream running through a palm grown swamp. Formosa, Formosa 
Argentina, Aug. 23, 1920. * 
BS 22044.A native bird trap set for seed-eaters. Formosa, Formosa, Argentina 
Aug. 24, 1920. 
