456 
B ALBUS A ARDUS. — BARBATULA. 
inwards and very convex; lower mandible very powerful, with a sharp concave 
cutting edge and a truncated tip; nostrils scarcely perceptible and placed in a nar- 
row slit at the base of the bill, close to the culmen; orbits denuded; head very 
large; occiput slightly crested; wings very powerful, the 3. 4. 5. feathers the lon- 
gest; tail of moderate length and square in form; plumage soft and yielding; skin 
of the throat loose, and capable of dilatation into an extensive pouch; tibiae and 
tarsi lengthened, the latter a fourth short than the former; the lower third of the 
tibiae denuded; toes 4 in number^ all extremely long and without the slightest 
vestige of inter digital membrane; hind toe on the same plane as the anterior ones 
and directed inwards; tibiae and tarsi reticulated, the reticulations becoming much 
smaller on the joints; upper surface of the toes scutellated; nails powerful, and 
not much curved; the nail of the centre toe impectinated. — i Specc. 
rex Gould, Proceed. Zool. Soc. 1851, XIX. 2. Tb. 35; Jardine's Contrib. Or- 
nitb. 1852. Tb. [Nilus albus. Africa centr. 
BALBUSAEDVS Fleming, Brit. anim. = Pandion Sa v. 
BALEARICA Brisson, Ornith. 1760. V. 511. Tb. 41. — Gray, Genera Birds 
1845. III. 553. — Bonaparte, Conspectus Avium I. 102. = Grus L. 
Crista occipitalis erecta, effusa, e plumis setaceis: genae nudae: gula carun- 
culata. 
pavonina Gray, Genera Birds III. 553. = Grus pavonina Wagl. 
regulorum Gray, Genera Birds III. 553. =^ Grus regulorum Lichtsï. 
BALICASSIUS Bonaparte, Compt. rend. 1854. XXXVIII. 539. = Dicrurus Vieill. 
bracteatus Bonaparte, 1. c. = Dicrurus bracteatus Gould. 
furcatus Bonaparte, 1. c. = Dicrurus balicassius Blyth. 
philippensis Bonaparte, 1. c. = Dicrurus bracteatus Gould. 
BAMBUSICOLA Gould, Proceed. Zool. Soc. 1862. XXX. 285. = Perdix Lin. 
Bill moderately long and very similary in form to that of Perdix; nostrils 
covered by an operculum; wings moderately long, round, and concave, the fifth 
primary the longest; tail somewhat more lengthened than in Perdix, rounded or 
inclined to a wedge shape; tarsi rather long and armed with a well defined but 
blunt spur; toes longer than in Perdix, the two lateral ones equal in length and 
united at their base by a membrane; hind toe rather long and free. 
sonorivox Gould, Proceed. Zool. Soc. 1862. XXX. 285. = Perdix sonorivox. 
sphenurus Gould, Proceed. Zool. Soc. 1862. XXX. 285. = Tetraogallus sphe- 
nurus Gray. 
thoracia Swinhoe, Proceed. Zool. Soc. 1863. XXXI. 307. = Perdix thoracia 
Temm. 
BANANIVORTJS affinis Bonaparte, Compt. rend. 1856. XLII. 956. — ? 
BANKSIANTJS (subgen. Psittaci) Lesson, Traité Ornith. 1831. 179. = Calypto- 
rhynchus Vig. 
Tête huppée, bec deux fois plus haut que large, à arête très convexe, très 
recourbée, très comprimée, à extrémité crochue, s'adaptant en dessus à une 
échancrure de l'extrémité de la mandibule inférieure, qui est très élargie et très 
obtuse; bec peu long et comme ramus dans sa forme générale; queue ample, 
s'élargissant k son extrémité presque égale; tarses courts. 
australis Lesson, Traité Ornith. 180. 181. = Calyptorhynchus Solandrei Temm., 
C. Banksi Vig., C. funereus Vig. 
fùlgidus Lesson, Traité Ornith. 180. 181. = Dasyptilus fulgidus Bonap. 
galeatus Lesson, Traité Ornith. 180. 181. = Calyptorhynchus galeatus Vig. 
BARBACOTJS Cuvier, Regn. anim. I. 455. — Monasa Vieill. 
BARBATULA (Bucconidae) Lesson, Compl. Buffon 1837. — Proceed. Zool. Soc. 
1859. XXVIL 398. = Megalaema Gray. 
Synon.: Pogoniolus Lafresn. 
atriflava Bonaparte, Conspectus Avium I. 145. = Megalaema atriflava Gray. 
bilineata Gray, Handlist Birds II. 176. — Megalaema leucolaema. 
chrysocoma Bonaparte, Conspectus Avium I. 145. = Megalaema chrysocoma 
Gray. 
