DE LATTREI'S SABRE-WING.

DE LATTREI'S SABRE-WING (_Campylopterus hemileucurus_ or _Campylopterus De

Lattrei_) is of a deep blueish black on the head; the wing-covers, back,

and rump are green; the quills dark purplish brown; the tail-feathers

blueish black, shaded with green; a small white spot is placed above the

dark eye; the beak is black, the foot dark brown. The head of the female

is bronze-colour, the rest of the mantle glossy green, with a golden

shade; the region of the throat and sides of the breast are greenish blue,

and the under side grey, with a greenish gloss. This gaily-tinted bird

inhabits Mexico and Central America.

"Of all the members of the genus," says Gould, "this species is by far the

largest and the most beautifully coloured. It is said to be the boldest

of its race, and to be so extremely pugnacious that every bird venturing

into the neighbourhood of its territory is furiously attacked and driven

away. This peculiar feature in the habits of the race explains the use of

the broad and powerful shafts of the primaries, which form so conspicuous

a character in the males of the _Campylopterus_. This bird is strictly

a Mexican or Central American species. M. de Lattrei, to whom we are

indebted for its discovery, states that it is found in the forests of

Jalapa during two months of the year only, that it is known by the name of

the 'Luce-fleur-royal,' and that it feeds during the entire day, instead

of during any particular hours. He adds that it selects a flowering shrub,

which it never quits, and from which it chases with anger all the species

of the family that may seem desirous of approaching it. On taking flight

it utters a cry."

"The large showy tail of this Humming Bird," says Mr. Salvin, "makes it

one of the most conspicuous when on the wing. The females are especially

abundant, their ratio to the males being as five to two."

"This beautiful bird," says M. Montes de Oca, "which is generally known

in Mexico by the name of the Royal Blue Myrtle-sucker, arrives in the

vicinity of Jalapa, Coantepec, and Orizaba in considerable numbers during

the months of October and November, and is mostly found feeding from a

plant called marapan between the hours of seven and one o'clock. During

this time it is seldom seen to alight, and then only for a very short

time, but is constantly on the wing, flitting from flower to flower,

describing segments of a circle in its flight, and sometimes almost

touching the ground. For the remainder of the day very few are to be seen,

and I think it probable that they visit the woods for certain kinds of

mosquitoes, with which I have often found their stomachs well filled. The

pugnacity of this species is very remarkable; it is very seldom that two

males meet without an aërial battle. The contest commences with a sharp,

choleric shriek, after which, with dilated throats, the feathers of the

whole of their bodies erected on end, and their tails outspread, they

begin to fight with their bills and wings; the least powerful soon falls

to the ground or flies away. I have never known one of these battles last

longer than about ten seconds, and in the specimens I have under my notice

in cages, their fighting has mostly ended in the splitting of the tongue

of one of the two, which then surely dies, from being unable to feed."

* * * * *

The TRUE SABRE-WINGS (_Platystylopterus_) are recognisable by their

comparatively great size and strength, and the unusual development of the

shafts of the exterior quills; the tail is straight at its extremity; the

beak short and powerful, and almost straight.

Cassell's book of birds; vol. 3 · 第 164 / 380 题