27 

 BIRDS. 



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. 

 F 0RM . — 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. 

 21* 



Total length 



Length of tail ' 10 



Wings when folded ..........•■•• "2 



From tip of beak to within anterior edge of nostril, measured in straight line . -ft^ 



Tarsi from soles of feet to middle of knee joint ......••• °t 



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 intense nitide fuscis, plumis dorsalibus purpurascentibus ; 

 primariis nigris ; caudd fused, lineis obscurioribus cancellatd numerosis, ad 

 apicem sordide alba; guld abdomine medio crissoque stramineo-albis ; pectoris 

 corporisque lateribus fascia abdominali femoribusque flavescenti-albis fusco notatis, 

 notis in femoribus rufescentibus ; tarsis per mediam partem antice plumosis, rostro 

 nigro ; cerd tarsisque fiavis. 

 Long. tot. 23 unc. ; alee, 15-J ; caudw, 9| ; tarsi, 2\. 



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 



