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A borate of iron and magnesia, occurring in fibrous masses of a blackish green color.

An immensely long blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels.

the nut of the Semecarpus Anacardium, an East Indian tree. The shell of the nut yields a blackish resinous juice used for marking cotton cloth, and an oil prepared from it is used for rheumatism.

An alga of any kind that produces blackish spores, or seed dust. The melanosperms include the rockweeds and all kinds of kelp. -- Mel`a*no*sper"mous, a.

ts exact imitations of the notes of other birds. Its back is gray; the tail and wings are blackish, with a white patch on each wing; the outer tail feathers are partly white. The name is also applied to other species of the same genus, found in Mexico, Central America, and the West Indies. -- Mocking thrush (Zoöl.), a…

Nightshade; -- so called from its blackish purple berries. [Written also morelle.]

A mineral of blackish lead-gray color and metallic luster, generally of a foliated massive structure; foliated tellurium. It is a telluride of lead and gold.

A blackish fish (Hypoplectrus nigricans), of the Sea-bass family. It is a native of the West Indies and Florida.

pardalis). It ranges from the Southwestern United States to Patagonia. It is covered with blackish ocellated spots and blotches, which are variously arranged. The ground color varies from reddish gray to tawny yellow.

A small South American rodent (Cologenys paca), having blackish brown fur, with four parallel rows of white spots along its sides; the spotted cavy. It is nearly allied to the agouti and the Guinea pig.

h of the United States (Aphredoderus Sayanus). It is of a dark olive color, speckled with blackish spots.

A sulphide of lead and antimony, of a blackish lead-gray color and metallic luster.

of Europe, and the closely allied American species (P. Americana). The color is dusky or blackish above, paler beneath. They are closely allied to the dolphins, but have a shorter snout. Called also harbor porpoise, herring hag, puffing pig, and snuffer.

aving the breast chestnut, or dull red. The upper parts are olive-gray, the head and tail blackish. Called also robin redbreast, and migratory thrush.

cks in the northen parts of America, and forming broad, flat, coriaceous, dark fuscous or blackish expansions. It has been used as food in cases of extremity. -- Rock trout (Zoöl.), any one of several species of marine food fishes of the genus Hexagrammus, family Chiradæ, native of the North Pacific coasts; -- called…

s, and tail, and white on the cheeks. The female and young male are dull brown mixed with blackish on the back; grayish below. Called also dunbird, dundiver, ruddy diver, stifftail, spinetail, hardhead, sleepy duck, fool duck, spoonbill, etc. -- Ruddy plover (Zoöl.) the sanderling.

nflamed base and filled with serous, purulent, or bloody fluid, which dries up, forming a blackish crust.

inis). As rust, it has solitary reddish spores; as corn mildew, the spores are double and blackish.

catcher (Myiagra nitida) of Tasmania and Australia. The upper surface of the male is rich blackish green with a metallic luster. -- Satin stone, satin spar.

An inspissated sap obtained from the rot of the Convolvulus Scammonia, of a blackish gray color, a nauseous smell like that of old cheese, and a somewhat acrid taste. It is used in medicine as a cathartic.