CORAPIPO. — CORETHRÜRA. 
777 
thalassina Lesson, Traité Omith. 353. = Cissa thalassina Gray. 
CORAPIPO SciuFF. Bonaparte, Conspect. Vol. anis. 1854. 7. = Coropipo Cab, 
COBAPITTA bagheira Bonaparte, Conspect. Vol. anis. 7. = Alauda dukhunen- 
sis Syk. 
pittoides Bonaparte, Conspect. Vol. anis. 7. = Brachypteracias pittoides 
Lafresn. 
CORAPYGTJS brasiliensis Bonaparte, Revue Mag. Zool. 1854. 530. = Cathartes 
atratus Strickl. 
CORATIUS Reid et Hahn 1835. = Coracias Lin. 
CORAX (subgen. Corvi) Bonaparte, Conspectus Avium L 386. = Corvus Lin. 
CORCORAX (Corvidae. — corvus, xopa^) — Lesson, Traité Ornitb. 1831. 
324. = Fregilus Cuv. 
Synon.: Cercoronus Cab. — Corcoronus Gray. 
Bee moyen, élevé, fort, fendu jusque sous les yeux, comprimé sur les côtés; 
à mandibule supérieure voûtée, élevée, à arête notablement arrondie, à narines en 
partie cachées par les plumes avancées du front; à branche de la mandibule infé- 
rieure écartée, distante; ailes alongées, pointues; queue longue, étagée, ample et 
arrondie; tarses longs, forts, large scutellés ^ à scutelles des doigts renflées. 
australis Lesson, Traité Ornith. 325. = Fregilus melanorhamphus. 
leucopterus Gray, Genera Birds II. Tb. 78. = Fregilus melanorhamphus. 
melanorhamphus Cabanis, Mus. Heine. I. 228. = Fregilus melanorhamphus. 
melanorhynchus Gray, Genera Birds II. 321. = Fregilus melanorhamphus. 
CORETHRÜRA (Rallidae. — xopYj^pov scopae, oupa cauda) Gray, Genera Birds 
1846. m. 595. = Porzana Vieill. 
Bill shorter than the head, rather slender and straight, with the culmen 
rather elevated at the base and curved before the nasal groove and the sides 
much compressed to the tip, which is slightly emarginated; the gonys short and 
ascending; the nostrils lateral and placed in a membranous groove with the 
opening linear and in the middle. Wings moderate, with the first quill much 
shorter than the second, which is also much shorter than the third and fourth, 
these are equal and longest. Tail short and rather graduated. Tarsi as long or 
shorter than the middle toe, rather slender and the front covered with transverse 
scales. Toes lengthened and slender, with the inner shorter than the outer, the 
hind toe long and very slender, the claws moderate, weak and acute. 
akool Gray, Genera Birds III. 595. = Porzana akool Blyth. 
albifrons Gray, Genera Birds III. 595. = Porzana melanophaea Sclat. 
albigularis Lawrence, Ann. Lyc. New York 1861. VII. 302. = Porzana 
albigularis Sclat. 
aurita Gray, Genera Birds III. 595. = Porzana cayanensis Sclat. 
Bonaparte! Hartlaub, Syst. Ornith. W. Afr. 242. = Crex Jardinei Schleg. 
capensis Gray, Genera Birds III. 595. = Hypotaenidia capensis Bonap. 
cayanensis Moore, Proceed. Zool. Soc. 1859. XXVII. 64. = Rallina castanea 
ScHLEG. 
cayennensis Gray, Genera Birds HI. 595. = Porzana cayanensis Sclat. . 
cinnamomea Hartlaub, Syst. Ornith. W. Afr. 242. = Crex dimidiata Schleg. 
dimidiata Gray, Genera Birds III. 595. = Crex dimidiata Schleg. 
ecaudata Gray, Genera Birds III. 595. = Porzana cayanensis Sclat. 
elegans Bonaparte, Compt. rend. 1856. XLIII. 599. = Crex pulchra Gray. 
fasciata Gray, Genera Birds III. 595. = Rallina fasciata Schleg. 
ferruginea Gray, Genera Birds III. 595. — Rallus ferrugineus Gmel. 
fusca Gray, Genera Birds III. 595. = Rallina fusca Schlep. 
fuscescens Gray, Genera Birds III. 595. = Porzana fuscescens Vieill. 
griseifrons Gray, Genera Birds III. 595. = Hypotaenidia griseifrons Bonap. 
guatemalensis Lawrence, Proceed, acad. Philadelphia 1863. 106. = Rallina 
castanea Schleg. 
hypoleuca Lichtenstein, Nomenclator 96. = Porzana leucopyrrha Sclat. 
insularis Sharpe, Proceed. Zool. Soc. 1870. 300. = Crex Jardinei Schleg. 
