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A series or group of brackets; brackets, collectively.

A group of Entomostraca, with suctorial mouths, including species parasitic on fishes, as the carp lice (Argulus).

s of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight

A group of acalephs of which Lucernaria is the type. The body is cup-shaped with eight marginal lobes bearing clavate tentacles. An aboral sucker serves for attachment. The interior is divided into four large compartments. See Lucernarida.

One of a group of compounds including the sugars, starches, and gums, which contain six (or some multiple of six) carbon atoms, united with a variable number of hydrogen and oxygen atoms, but with the two latter always in proportion as to form water; as dextrose, C6H12O6.

led in honor of the wife of Cepheus, a fabuolous king of Ethiopia. Cassiopeia's Chair, a group of six stars, in Cassiopeia, somewhat resembling a chair.

of helmet of horny substance, consisting of plates overlapping each other, and it has a group of long sharp spines on each wing which are used as defensive organs. It is a shy bird, and runs with great rapidity. Other species inhabit New Guinea, Australia, etc.

A group of ruminants whose horns are hollow, and planted on a bony process of the front, as the ox.

e radio- telephone transmitting and receiving the radio-telephonic signals from one of a group of transmitter-receiver stations so arranged that they provide adequate signal contact for such telephones over a certain geographical area. The area within which one transmitter may service such portable telephones is called…

A supposed new element of the rare-earth group, accompanying lutecium and scandium in the gadolinite earths. Symbol, Ct (no period).

A group of nudibranchiate Mollusca having on the back papilliform or branched organs serving as gills.

n order of free-swimming marine worms, of which the genus Sagitta is the type. They have groups of curved spines on each side of the head.

ral setæ, or spines, on most or all of the segments. They are divided into two principal groups: Oligochæta, including the earthworms and allied forms, and Polychæta, including most of the marine species.

n the middle and upper Silurian rocks. The tubular corallites are united side by side in groups, looking in an end view like links of a chain. When perfect, the calicles show twelve septa. -- Chain coupling. (a) A shackle for uniting lengths of chain, or connecting a chain with an object. (b) (Railroad) Supplementary…

The group of seven stars, commonly called the Dipper, in the constellation Ursa Major, or Great Bear. See Ursa major, under Ursa.

ung River, along which the rocks are well developed. It includes the Portage and Chemung groups or epochs. See the Diagram under Geology.

A zigzag molding, or group of moldings, common in Norman architecture. Chevron bones (Anat.), The V-shaped subvertebral arches which inclose the caudal blood vessels in some animals.

The crowing noise made by children affected with spasm of the laryngeal muscles; false croup.

One of a group of gastropod mollusks, with a shell composed of eight movable dorsal plates. See Polyplacophora.

ohols (and especially glycerin) by the substitution of chlorine for one or more hydroxyl groups.