BUTAQUILA. — BUTEO. 
507 
adusta Boie, Oken's Isis 1826. 973. = Muscicapa undulata Gmel. 
africana Bonaparte, Compt. rend. 1854. XXXVIII. 652. — Promont. bon. spei. 
albifrons Bonaparte, Conspect. Avium I. 318. = Muscicapa albifrons Sparm. 
caerulescens Hartlaub, Ibis 1865. I. 267. = Muscicapa caerulescens. 
chocolatina Bonaparte, Conspectus Avium I. 318. = Muscicapa chocolatina 
Rüpp. 
cinereoalba Bonaparte, Conspect. Avium I. 318. = Muscicapa cinereoalba Tem. 
ferruginea Swinhoe, Ibis 1861. III. 330. = Hemichelidon ferruginea Hodgs. 
Fraseri Bonaparte, Conspect. Avium I. 318. = Muscicapa Fraseri Strickl. 
griseisticta Swinhoe, Ibis 1861. III. 330. = Muscicapa grisola Lin. 
grisola Boie, Oken's Isis 1826. 973. — Muscicapa grisola Lin. 
gularis Bonaparte, Conspectus Avium I. 318. — Muscicapa gularis Tem. 
hylocharis Bonaparte, Conspectus Avium I. 318. — Muscicapa hylocharis Tem. 
hypogrammica Wallace, Ibis 1862. IV. 350. =^ Muscicapa hypogrammica. 
infuscata Cassin, Proceed, acad. Philadelphia = Muscicapa infuscata Hartl. 
latirostris Blyth, Journ. asiat. Soc. Bengal 1847. XVI. 121. = Muscicapa 
latirostris. 
lugens Hartlaub, Proceed. Zool. Soc. 1860. XXVIII. 110. = Muscicapa 
lug ens. 
manillensis Bonaparte, Compt. rend. 1854. XXXVIII. 652. — Prom. bon. spei. 
montana Brehm, Vögel Deutschlds. 220. = Muscicapa grisola Lin. 
pinetorum Brehm, Vögel Deutschlds. 221. — Muscicapa grisola Lin. 
Muthui Layard. — Ceylon. 
pondiceriana Bonaparte, Conspect. Avium I. 318. = Muscicapa pondiceriana 
Lichtst. 
rufescens Jerdon. Blyth, Journ. asiat. Soc. Bengal 1847. XVI. 120. — 
Muscicapa rufescens. 
ruficauda Blyth, Journ. asiat. Soc. Bengal 1847. XVI. 120. — Muscicapa 
ruficauda. 
semipartita Bonaparte, Conspectus Avium I. 318. = Muscicapa se inpartita 
Rüpp. 
terricolor Blyth, Journ. asiat. Soc. Bengal 1847. XVI. 120. — Muscicapa 
terricolor. 
BUTAaUILA Gray, Handlist Birds 1869. I. 10. = Buteo Cuv. 
asiaticus Gray, Handlist Birds 1869. I. 10. = Buteo asiaticus. 
hemilasius Gray, Handlist Birds 1869. I. 10. = Buteo asiaticus. 
hemiptilopus Gray, Handlist Birds 1869. I. 10. = Buteo hemiptilop"s. 
BUTASTUR teesa Hodgson, Journ. asiat. Soc. Bengal 1847. XII. 311. Buteo 
teesa Gray. 
BUTEO (Buteoninae. — Buteo Plinii) — Cuvier, Anat. comp. 1799. — Vieillot, 
Encycl. méth. 1217. — Gray, Genera Birds I. 12. — Schlegel, Mus. Pays- 
Bas Buteones 1862. 1. 
Synon.: Buses Cuv. — Daedalion Vig. — Valeria Boie. — Archibuteo Brehm. — 
Buteogallus, Butaëtus Less. — Craxirex Gould. — Trachytriorchis , Poecilopternis , Gypo- 
ictinia, Leucopternis, Ichthyoborus, Spizigeranus, Rupornis, Poliornis Kaup. — Gypsictinia 
Reichb. — Spizogeranus Agass. — Hypomorpbinus Cab. — Hypomorphinus, Butaquila Gray. 
— Hemiaëtus, Butastur, Bupernis Hodgs. — Pseudastur Blyth. — Lagopus Fras. — Buteola, 
Pernopsis Dubus. — Poecilopternis Bonap. — Busarellus Lafresn. 
Bill short, broad at the base, laterally compressed at the tip, with the culmen 
much curved from the base, which is broad and rather flattened above, the lateral 
margins fest one d ; the nostrils large, oval, and the lores clothed with hairy feathers. 
Wings very long, with the third and fourth quills the longest, and the inner and 
outer webs of some of the quills obliquely notched. Tail moderate and even at its end. 
Tarsi lengthened, naked, covered with transverse scales before and behind; but at 
the apex and on the sides with small scales. Toes rather short, with the three 
anterior ones united at their base; the hind toe equal in length with the inner and 
both strong and armed with a long powerful curved claw; the base of the toes 
covered with small scales and the apex with broad transverse ones. — 49 Specc. 
