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ls; furnished with a pouch for the young, as the marsupials, and also some fishes and Crustacea.

supials carry their young; also, a pouch for similar use in other animals, as certain Crustacea.

One of the mouth appendages of Crustacea, situated next behind the maxillæ. Crabs have three pairs, but many of the lower Crustacea have but one pair of them. Called also jawfoot, and foot jaw.

The juicy fruit of certain cucurbitaceous plants, as the muskmelon, watermelon, and citron melon; also, the plant that produces the fruit.

The fourth joint of a typical appendage of Crustacea.

A class of Arthropoda, allied to the Crustacea. It includes the trilobites, Eurypteroidea, and Limuloidea. All are extinct except the horseshoe crabs of the last group. See Limulus.

A larval crustacean in a stage following the nauplius, and having about seven pairs of appendages.

A myrtaceous genus of trees or shrubs, found in Australia and the South Sea Islands, and having very hard wood. Metrosideros vera is the true ironwood.

A small crustacean with one median eye.

An order of large, extinct, marine reptiles, found in the Cretaceous 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 serpen…

rm of paddles. The first known species, nearly fifty feet in length, was discovered in Cretaceous beds near Maestricht, in the Netherlands. [Written also Mososaurus.]

The fruit of a cucubritaceous plant (Cicumis Melo), having a peculiar aromatic flavor, and cultivated in many varieties, the principal sorts being the cantaloupe, of oval form and yellowish flesh, and the smaller nutmeg melon with greenish flesh. See Illust. of Melon.

Having finlike appendages or flukes instead of legs, as a cetacean.

Any right whale, or whalebone whale. See Cetacea.

An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.…

A crustacean larva having three pairs of locomotive organs (corresponding to the antennules, antennæ, and mandibles), a median eye, and little or no segmentation of the body.

A genus of small marine Crustacea, considered the type of a distinct order (Nebaloidea, or Phyllocarida.)

The modern, or true, Crustacea, as distinguished from the Merostomata.

A term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand.

valuable for cordage and the like. (b) The fiber itself. -- New Zealand tea (Bot.), a myrtaceous shrub (Leptospermum scoparium) of New Zealand and Australia, the leaves of which are used as a substitute for tea.