ANTENNA n.
A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns,…
ARTICLE n.
One of the segments of an articulated appendage. Articles of Confederation, the compact which was first made by the original thirteen States of the United States. They were adopted March 1, 1781, and remained the supreme law until March, 1789. -- Articles of impeachment, an instrument which, in cases of impeachment, p…
MOSASAURIA n.
taceous rocks, especially in America. They were serpentlike in form and in having loosely articulated and dilatable jaws, with large recurved tteth, but they had paddlelike feet. Some of them were over fifty feet long. They are, essentially, fossil sea serpents with paddles. Called also Pythonomarpha, and Mosasauria.…