GUITUS. — GYMNOCEPHALUS. 
285 
magnirostris Bonaparte, Proceed. Zool. Soc. 1837. V. 120. = Coccoborus 
torridus Cab. 
melanocephala Swainson, Synops. Birds Mexico 438. == Coccoborus melano- 
cepkalus Aud. 
minor Sclater, Catal. Birds America 101. — Coccoborus minor. 
parellina Sclater, Proceed. Zool. Soc. 1859. 365. — Coccoborus parellinus. 
regulus Gray, Genera Birds II. 357. = Coccoborus regulus. 
tricolor Lesson, Revue Zool. 1839. 102. = Coccoborus melanocephalus Aud. 
GUITUS Rafinesque, 1815. = Coereba Vieill. 
GULOSUS Montagu 1813. = Gr acutus Lin. 
GUTTERA cristata Bonaparte, Compt. rend. 1856. XLII. 876. = Numida cri- 
stata Pall. 
plumifera Bonaparte, Compt. rend. 1856. XLII. 876. = Numida plumifera 
Cass. 
Pucherani Bonaparte, Compt. rend. 1856. XLII. 876. = Numida Pucherani 
Hartl. 
Verreauxi Gray, Handl. Birds II. 263. — Numida Edouardi Verr. 
GUYORNIS Bonaparte, Revue Mag. Zool. 1854. VI. 249. = Trochilus Lin. 
typus Bonaparte, 1. c. = Trochilus Guy Less. 
yaruqui Bonaparte, 1. c. — Trochilus yarrugui Bourc. 
GYGIS (Laridae. — yuy/jS nom. propr.) Wagler, Oken's Isis 1832. 1223. — 
Gray, Genera Birds 1846. III. 660. — Sterna Lin. 
Bill longer than the head with the culmen and lateral margins nearly straight 
to the tip, which is acute; the gonys two thirds the length of the lower mandible 
and angulated; the nostrils lateral, placed near the base and longitudinal. Wings 
long, with the first quill the longest. Tail long and strongly emarginated. Tarsi 
very short and strong. Toes long, the two outer nearly equal and longer than 
the inu,er one and all united by a strongly indented web; the hind toe very long 
and slender. 
alba Bonaparte, Compt. rend. 1856. XLIII. 773. ~ Sterna alba Sparrm. 
Candida Wagler, Oken's Isis 1832. 1223. = Sterna alba Sparrm. 
Napoleonis Bonaparte, Compt. rend. 1856. XLIII. 773. = Sterna alba 
Sparrm. 
GYMNASIO nudipes Bonaparte, Revue Mag. Zool. 1854. VI. 543. = Noctua 
nudipes Less. 
GYMNATHUS moschatus Nuttall, Man. Ornith. II. = Anas moschata Lin. 
GYMNOBLEPHARUM (Subgen. Fraterculae) Brandt, Bullet, acad. Petersbg. 1837. 
II. 348. = Fratercula Briss. 
Supra palpebram superiorem appendiculus corneus nullus. Sulci in rostro 
antrorsum arcuati. Ab oculis ad nucham, ubi sulcus in subgenere Ceratoblephari, 
penicillus pennarum elongatus. 
Spec: Fratercula cirrata Brdt. 
GYMNOBUCCO (Bucconidae. — ■ ^m\v)oç nudus, bucco = stolidus) Bonaparte, 
Conspect. Avium 1850. I. 141. = Megalaema Gray. 
Bonapartei Verreaux, Journ. Ornith. 1855. III. 102. = Megalaema Bona* 
partez Schleg. 
calvus Bonaparte, Conspect. Avium I. 141. = Megalaema calva Gray. 
fuliginosus Cassin, Proceed, acad. Philadelphia 1859. 140. = Megalaema 
Bonapartei Schleg. 
Peli Hartlaub, Ornith. W Africa 175. = Megalaema calva Gray. 
G YMUfOCEPHALUS (Ampelidae. — ^ufxvoç nudus, xsçocàov caput). — Geof- 
froy, St. Hilaire, Ann. du Mus. 1809. XML 207. 
Synon.: Clavifrons Daud. 
Bec triangulaire, alongé, large, très fendu, recourbée, crochu, à arête con- 
vexe, vive. Narines arrondies, ouvertes, très grandes, creusées, dans une mem~ 
brane; mandibule inférieure entière, pointue; bouche ciliée à la commissure; aile 
