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yields, when heated, a considerable amount of volatile bituminous matter. It burns with a yellow smoky flame. -- Bituminous limestone, a mineral of a brown or black color, emitting an unpleasant smell when rubbed. That of Dalmatia is so charged with bitumen that it may be cut like soap. -- Bituminous shale, an argill…

dark-colored matter; or the substance so discharged; -- one of the most fatal symptoms in yellow fever.

The coneflower, or yellow daisy (Rudbeckia hirta).

er of the United States (Dendroica Blackburniæ). The male is strongly marked with orange, yellow, and black on the head and neck, and has an orange-yellow breast.

A large fish of Florida and the W. Indies (Caulolatilus chrysops). It is red, marked with yellow.

and black-jack. It is a zinc sulphide, but often contains some iron. Its color is usually yellow, brown, or black, and its luster resinous.

A yellowish deposit or powdery coating which appears on well- tanned leather. Knight.

irregular spot. Also Fig.; as, a moral blotch. Spots and blotches . . . some red, others yellow. Harvey.

f rags, on a string, used in angling, as for eels; formerly, a worm suitable for bait. Or yellow bobs, turned up before the plow, Are chiefest baits, with cork and lead enow. Lauson.

A granular mineral of a grayish or yellowish color, found in Bolton, Massachusetts. It is a silicate of magnesium, belonging to the chrysolite family.

Being of the color of the silkworm; transparent with a yellow tint. E. Darwin.

Broken and angular fragments of rocks underlying alluvial deposits. Lyell.

A substance, C16H14O5, extracted from brazilwood as a yellow crystalline powder which is white when pure. It is colored intensely red by alkalies on exposure to the air, being oxidized to bra*sil"e*in, C16H12O5, to which brazilwood owes its dyeing properties.

An alloy (usually yellow) of copper and zinc, in variable proportion, but often containing two parts of copper to one part of zinc. It sometimes contains tin, and rarely other metals.

A substance contained in both Brazil wood and Sapan wood, from which it is extracted as a yellow crystalline substance which is white when pure. It is colored intensely red by alkalies. [Written also brezilin.]

s of Smilax (S. rotundifolia, etc.) -- Sweet brier (Rosa rubiginosa). See Sweetbrier. -- Yellow brier, the Rosa Eglantina.

A marble, clouded and veined with white, gray, yellow, and red, in which the yellow usually prevails. It is also called Siena marble, from its locality.

A yellowish or reddish brown, the color of bronze; also, a pigment or powder for imitating bronze.

ich is a low shrub with long, straight, green, angular branches, mintue leaves, and large yellow flowers. No gypsy cowered o'er fires of furze and broom. Wordsworth.

Of a dark color, of various shades between black and red or yellow. Cheeks brown as the oak leaves. Longfellow. Brown Bess, the old regulation flintlock smoothbore musket, with bronzed barrel, formerly used in the British army. -- Brown bread (a) Dark colored bread; esp. a kind made of unbolted wheat flour, sometimes…