Black Humming Bird.
Generic Character.

Rostrum elongatum, rectum vel arcuatum, flexile, gracillimum, ad basin depressum, mandibulâ superiore inferiorem amplectente et tantùm non obtegente. Lingua jaculatoria, bifida, tubulata. Nares basales, membranâ tectæ, aperturâ in longum fissâ. Pedes sedentes, minimi. Alæ longissimæ, subarcuatæ, remigibus prioribus longissimis, cæteris gradatim brevioribus.

Typus Genericus T. Moschitus Linn.

Bill long, straight or curved, flexible, very slender, the base depressed, the upper mandible folding over, and almost covering the lower. Tongue long, extensible, bifid, and tubular. Nostrils basal, covered by a membrane, and opening by a long slit. Feet sitting, very small. Wings very long, curved, the outer quill longest, the rest gradually becoming shorter.

Generic Type Ruby-crested Humming Bird Lath.

Specific Character.

T. niger; auribus aliquando rufis; tectricibus, caudâ uropygioque colore subviridi nitidis; rectricium lateralium nivearum apicibus colore chalybeio tinctis.

Black; the ears sometimes rufous; wing covers tail and rump glossed with green; lateral tail feathers snowy, tipt with steel blue.