BEETLE n.
r Coleoptera, having four wings, the outer pair being stiff cases for covering the others when they are folded up. See Coleoptera. Beetle mite (Zoöl.), one of many species of mites, of the family Oribatidæ, parasitic on beetles. -- Black beetle, the common large black cockroach (Blatta orientalis).
BELEMNITE n.
wer extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an e…
BERYL n.
A mineral of great hardness, and, when transparent, of much beauty. It occurs in hexagonal prisms, commonly of a green or bluish green color, but also yellow, pink, and white. It is a silicate of aluminium and glucinum (beryllium). The aquamarine is a transparent, sea-green variety used as a gem. The emerald is another…