RAMPHASTOS CITREOPYGUS.

Lemon-rumped Toucan.

SprciFic CHARACTER.

Ramph. rostro ngro, fascia basalt culmineque prope basin ceeruleo-canis ; neger ; pectore albo,
lutescente parum tincto; fascia pectus inter et ventrem lata crissoque coccineis ; caudce

tectricibus supervoribus citrinis ; orbit tarsique plumber ; hi saturatiores.

Bill black, with a broad band of blue grey across the base, advancing for the length of an inch on
the culmen; breast white, very faintly tinged with greenish yellow, divided from the belly
by a band of scarlet half an inch in width; under tail-coverts scarlet, upper pale lemon
yellow; the whole of the remaining plumage black; naked space round the eyes and the
feet lead colour, the latter being the darkest.

Total length, 19 inches; wing, 9+; bell, 5; tarsi, 2+; tarl, 6.

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For this fine and hitherto uncharacterized species of Toucan, my warmest thanks are due to W. Swainson,
Esq., in whose valuable collection it is deposited, and who most liberally placed it at my disposal for the
purpose of figuring, and at the same time allowed me to add a specific name on my own authority. In
applying the term ctreopygus we have been influenced by the difference this species presents from all others
in that peculiar character. Mr. Swainson informed me that this bird was originally in the collection of
Mr. Bullock, from whom he purchased it, and who stated that he believed it was from Peru.

Independently of the different colour of the upper tail-coverts, it possesses other peculiar characters. In
size it equals Ramph. Cuvier, but differs from it in the colouring of the mandibles, and in the bill being much
smaller in proportion to the body; the tail is proportionally shorter than is found in any other species, with
the exception of Ramph. Toco, which in every other respect widely differs from it.