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The region between the antennæ and the mouth, in Crustacea.

ön. Among them are the lice, ticks, many acari, the lerneans, or fish lice, and other crustaceans.

A myrtaceous genus of trees, mostly Australian. Many of them grow to an immense height, one or two species exceeding the height even of the California Sequoia.

be dried without losing their form or color, as the pearly everlasting (Anaphalis margaritacea), the immortelle of the French, the cudweeds, etc.

A genus of Cretaceous fossil shells allied to oysters.

The external branch of the appendages of Crustacea.

force of heat; the expansive quality of air. A more expansive and generous compassion. Eustace. His forehead was broad and expansive. Prescott. -- Ex*pan"sive*ly, adv. -Ex*pan"sive*ness, n.

ting off of some part, more particularly, the outer cuticular layer, as the shells of crustaceans, skins of snakes, etc.; molting; ecdysis.

One of the movable peduncles which, in the decapod Crustacea, bear the eyes at the tip.

One of the numerous small eyes which make up the compound eyes of insects and crustaceans.

in their midnight dances. -- Fairy shrimp (Zoöl.), a European fresh-water phyllopod crustacean (Chirocephalus diaphanus); -- so called from its delicate colors, transparency, and graceful motions. The name is sometimes applied to similar American species. -- Fairy stone (Paleon.), an echinite.

A lashlike appendage of a crustacean, esp. the terminal ortion of the antennæ and the epipodite of the maxilipeds. See Maxilliped.

o a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant.

The stem which supports which supports the eye in decapod Crustacea; eyestalk.

A cretaceous fossil sea urchin of the genus Galerites.

of clay and marl in the South of England, between the upper and lower greensand of the Cretaceous period.

t; a sneer. Mark the fleers, the gibes, and notable scorns. Shak. With solemn gibe did Eustace banter me. Tennyson.

t, a form of front sight placed on target rifles. -- Globe slater (Zoöl.), an isopod crustacean of the genus Spheroma. -- Globe thistle (Bot.), a thistlelike plant with the flowers in large globular heads (Cynara Scolymus); also, certain species of the related genus Echinops. -- Globe valve. (a) A ball valve. (b) A…

Any leglike appendage of a crustacean, when modified wholly, or in part, to serve as a jaw, esp. one of the maxillipeds.

ree-celled, many-seeded fruit, as the melon, pumpkin, cucumber, etc., of the order Cucurbitaceæ; and especially the bottle gourd (Lagenaria vulgaris) which occurs in a great variety of forms, and, when the interior part is removed, serves for bottles, dippers, cups, and other dishes.