remains greeand fresljall through the cold winter 
season,,when it freeze® hard every night. It bears clus4« 
ters of small pink berries,much sough by Thrushes and 
• Tanagers( Turdus fuscater and Mimus dorsalis and 
Thraupis b. bonariensis ) Doubtless many other birds 
also eat the berries. Willow trees have also been 
planted extensively,but loose their leaves in the wint^ 
months! perfectly bare in June and July), 
The valley to the east is encircle by .a line of 
fantastically eroded conglomerate cliffs,which are 
composed of clay,sand and small stones. They are mostly 
dirty yellowish,but a little further down the valley, 
towards Tupiza they change to fiery red. In places they 
resemble most extraordinarily,huge.old forts,castles 
etc. Birds here are very scarce back on the hills and 
higher slopes,although the thorn scrub is abundant. 
Lower d 9 wn .along the edges of the cultivated lands and 
irrigation ditches and in the Molle trees birds abound, 
not only in individuals but in species .The bulk of the 
bird population,however consists of but comparatively 
few species,consisting of; Turdus fuscater : Molothrus 
semibadiu s bolivianus ; Sicalis aureiventris and luteo - 
cephala; Phyrgilus p. pleb.lius: Mimu s dorsalis;Zonotrichia 
capensis pulacyensis : Diuca behni : Gym nopelia ceciliae 
gymnops and Metripelia leucoptera 
I was much surprised to fine a considerable colony 
of a race-of Passer domesticus l ocated in the large 
Molle trees around the haciend buildings. However they ws 
were never seen outside this particular spot. Apparently 
they have arrived here in some manner from the Argentine 
where undoubtably they have been introduced at some time 
On the large fields along the river three species 
of imscisaxicola were quite common. pallidiceps. capistra- 
and ma culirostris . Here also was taken Agriornls 
and Geositta tenuirostris .but rery rare. 
Hothura lives in the thorn scrub of± of the lov/er 
slopes and comes down to drink from the ditches. 
The little Parroquets were quite common near the 
hacienda itself,but scarce back on the slopes. 
Oreotrochilus adela was only found close around the 
hacienda,on the lower slopes and near river. They were 
feeding on the red flower of a parasitic plant,found in 
cluS'terston’ the: Thorne Scrubs as well as the Molle trees. 
In the summer months there is a long tailed species 
of Hummer here,but apparently it has descended to lower 
levels now. I—do— n o t —know— the —s peoi - Qo 
There are several species here which are probably 
Hi tangus sulphuratus bolivianus 
!four or five inside the large garden);Troglodytes 
musculus chilensis (?) a small Flycatcher(11771)• 
L£ptas.thenura fuliginiceps 
--(taken in the garden) 
