362 Mr. O. Salvin on South-American Birds 
This specimen belongs to the southern race of B. virgi- 
nianus, of which Dr. Burmeister obtained specimens at 
Mendoza. 
43. Burro ERYTHRONOTUs (King). 
Buteo tricolor, Burm. La Plata-Reise, i. p. 436. 
@, Salta, 22nd June. “Iris light chocolate; cere pale 
slate, base of beak pale slate, tip darker; legs and feet prim- 
rose; claws black.” 
A species of wide range in this district, according to 
Dr. Burmeister, and spreading southwards to the extremity 
of the continent. 
44, UrusiTINGA MERIDIONALIS (Lath.). 
Asturina rutilans, Burm. La Plata-Reise, 11. p. 436. 
Salta, 9th June. 
A common species at Tucuman, according to Dr. Burmeister. 
45. UrvBitinea unicincta (Temm.). 
Asturina unicincta, Burm. La Plata-Reise, ii. p. 436. 
Salta, 11th June. “Iris orange; legs orange; beak dark 
horn.” 
Recorded from Mendoza by Dr. Burmeister. 
46. TINNUNCULUS SPARVERIUS (Linn.). 
Falco sparverius, Burm. La Plata-Reise, i. p. 437. 
‘@, Salta, 26th June. “Iris chocolate; cere pale orange ; 
beak horn-colour, tip darkest; legs and feet orange.” 
Common everywhere, according to Dr. Burmeister. The 
race of the American Kestrel found in these parts is that to 
which the name 7. cinnamominus (Sw.) (cf. Sharpe, Cat. B. 
i. p. 349) has been applied. The top of the head is uniform 
dark slate-grey, without an occipital rufous patch, as in the 
North-American bird. 
47, HyporriorcHIs FEMORALIS (Temm.). 
Falco femoralis, Burm. La Plata-Reise, 11. p. 437. 
3, Salta, 21st June. “Iris chocolate; beak horn-colour, 
tip darkest; legs and feet orange.” 
Obtained by Dr. Burmeister in the pampas, near the Rio 
Quarto. 
