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A Hamitic people of East Central Africa.

division of the Austral zone, including the warmer parts of the western United States and central Mexico. It is divided into the Upper Sonoran, which lies next to the Transition zone, and the Lower Sonoran, next to the Tropical.

he solar spectrum, exhibiting the seven principal colors in their order, and covering the central and larger portion of the space of the whole spectrum. -- Continous spectrum, a spectrum not broken by bands or lines, but having the colors shaded into each other continously, as that from an incandescent solid or liquid…

Any one of the several symmetrical segments arranged around the central axis and composing the body of a radiate anmal.

rve fibers and nerve cells, the latter being confined to the so-called gray matter of the central portions of the cord, while the peripheral white matter is composed of nerve fibers only. The center of the cord is traversed by a slender canal connecting with the ventricles of the brain.

Any one of several species of South American and Central American clamatorial birds belonging to Synallaxis and allied genera of the family Dendrocolaptidæ. They are allied to the ovenbirds.

In a theodolite, etc., horizontal cross wires or hairs equidistant from the central horizontal cross wire.

The entire central axis of a feather.

A tangled mass of floating vegetal matter obstructing navigation. [Central Africa]

A central floor timber, as a girder, or a piece reaching from a wall to a girder. Called also summertree.

The luminous orb, the light of which constitutes day, and its absence night; the central body round which the earth and planets revolve, by which they are held in their orbits, and from which they receive light and heat. Its mean distance from the earth is about 92,500,000 miles, and its diameter about 860,000.…

still use) it as religious symbol, in China and Japan, and among Indian tribes of North, Central, and South America. It is usually thought to be a charm, talisman, or religious token, esp. a sign of good luck or benediction. Max MüLler distinguished from the swastika, with arms prolonged to the right, the suavastika,…

The central canal of the spinal cord. B. G. Wilder.

One of a Malayan race, mainly of central Luzon, next to the Visayans the most numerous of the native peoples of the Philippines. Nearly all are Christians and many are highly educated.

A Central American name for the ivory nut.

by compressed air; esp., an apparatus recording conditions at many distant stations at a central office. -- Tel`e*me`te*or*o*graph"ic (#), a.

A central office in which the wires of telephones may be connected to permit conversation.

A large grass (Euchlæna luxurians) closely related to maize. It is native of Mexico and Central America, but is now cultivated for fodder in the Southern United States and in many warm countries. Called also Guatemala grass.

pipit. (Zoöl.) See under Pipit. -- Tree porcupine (Zoöl.), any one of several species of Central and South American arboreal porcupines belonging to the genera Chætomys and Sphingurus. They have an elongated and somewhat prehensile tail, only four toes on the hind feet, and a body covered with short spines mixed with…

o the genus Phaëthon, found chiefly in tropical seas. They are mostly white, and have two central tail feathers very long and slender. The yellow-billed tropic bird. Phaëthon flavirostris (called also boatswain), is found on the Atlantic coast of America, and is common at the Bermudas, where it breeds.…