Search the Dictionary

The science of weighing air; aërostatics. [Obs.]

asses, including species called in common language bent grass. Some of them, as redtop (Agrostis vulgaris), are valuable pasture grasses.

Pertaining to agrostography.

A description of the grasses.

Pertaining to agrostology.

One skilled in agrostology.

That part of botany which treats of the grasses.

Doubly prostyle; having columns at each end, but not at the sides. -- n.

One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.

Having a double beak, or two processes resembling beaks. The capsule is bilocular and birostrated. Ed. Encyc.

Short-billed; having a short beak.

A term applied to the action of nerve force in the spinal center. Marshall Hall.

An order of fishes, including the sturgeons; -- so named because the skeleton is cartilaginous.

The lowest group of vertebrates; -- so called from the cirri around the mouth; the Leptocardia. See Amphioxus.

One of the Conirostres.

Belonging to the Conirostres.

A tribe of perching birds, including those which have a strong conical bill, as the finches.

Having a bill shaped like the colter of a plow, or like a knife, as the heron, stork, etc.

A tribe of wading birds including the stork, heron, crane, etc.

Having a crooked beak, as the crossbill.