BIRDS. 
27 
spots, almost forming bars, of pale fulvous. Under surface. — Chin black ; 
throat and breast ochre yellow, with a narrow dark brown line on the shafts 
of the feathers, which, in those on the sides of the throat and breast expands 
into a large oval spot. Feathers on belly reddish brown, fringed and marked 
at base with the ochre yellow. Lining of wings ochre yellow, with nume- 
rous transverse bars of dark brown. Under-side of tail, inner webs almost 
white, outer pale gray, with very obscure transverse bars. Thighs, ochre 
yellow, with numerous zigzag transverse bars of pale reddish brown. Bill 
pale blackish ; iris brown ; tarsi gamboge yellow. 
Form. — Fourth primary very little longer than third, and about half an inch 
longer than fifth. First rather shorter than seventh, and longer than eighth. 
Wings when folded reaching within two inches of the extremity of the tail. 
Inches. 
Total length 21^ 
Length of tail ............... 10 
Wings when folded 16^ 
From tip of beak to within anterior edge of nostril, measured in straight line .... t % 5 q- 
Tarsi from soles of feet to middle of knee joint ......... 3f 
Middle toe, measured from basal joint to tip of claw ........ 2^ 
Habitat, Strait of Magellan, ( February ,) and Port St. Julian in Southern Pata- 
gonia, (January.) 
3. Buteo ventralis. Gould. 
Buteo ventralis, Gould , Proceedings of the Zoological Society, Part v. 1837, p. 10. 
B. vertice corporeque intensb nitide fuscis, plumis dorsalibus purpurascentibus ,* 
primariis nigris ; cauda fused, lineis obscurioribus cancellata numerosis, ad 
apicem sordidb alba ; guld abdomine medio crissoque stramineo-albis ; pectoris 
corporisque lateribus fascia abdominali femoribusque flavescenti-albis fusco notatis, 
not is in femorihus rufescentibus ; tar sis per mediant partem anticb plumosis, rostro 
nigro ; cerd tarsisque flavis. 
Long. tot. 23 unc. ; aloe , 15-J ; caudce, 9±; tarsi, 3~. 
Colour. — Head, back of neck, back, and wing-coverts, umber brown. Feathers 
on sides of throat edged with fulvous ; those on lower parts of back with 
their basal parts marked with large white spots, edged with fulvous, but 
which do not show, until the feathers are ruffled. Tail of the same dark brown 
as the back, with many bars of pale brown, and extreme points tipped with 
dirty white. Tail-coverts same brown, with the more lateral ones marked with 
white and fulvous. Wings : primaries black, with the inner and basal webs 
brownish; secondaries and tertiaries brown, with obscure traces of paler 
e 2 
