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norum.] The fifth proposition of the first book of Euclid, "The angles at the base of an isosceles triangle are equal to one another." [Sportive] "A schoolboy, stammering out his Asses' Bridge." F. Harrison. -- To make an ass of one's self, to do or say something very foolish or absurd.

district on the west coast of Africa. Calabar bean, The of a climbing legumious plant (Physostigma venenosum), a native of tropical Africa. It is highly poisonous. It is used to produce contraction of the pupil of the eye; also in tetanus, neuralgia, and rheumatic diseases; -- called also ordeal bean, being used by the…

An alkaloid resembing physostigmine and occurring with it in the calabar bean.

. This caul is esteemed an infallible preservative against drowning . . . According to Chysostom, the midwives frequently sold it for magic uses. Grose. I was born with a caul, which was advertised for sale, in the newspapers, at the low price of fifteen guineas. Dickens.

Having equal legs or sides; isosceles. [R.] "Equicrural triangles." Sir T. Browne.

An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil.

eins, lancing gums, etc.; a kind of lancet. Fleam tooth, a tooth of a saw shaped like an isosceles triangle; a peg tooth. Knight.

The middle portion of the sternum in some animals; the mesosternum.

the seashore of Europe. -- Golden saxifrage (Bot.), a low herb with yellow flowers (Chrysosplenium oppositifolium), blossoming in wet places in early spring. -- Golden seal (Bot.), a perennial ranunculaceous herb (Hydrastis Canadensis), with a thick knotted rootstock and large rounded leaves. -- Golden sulphide, or…

ving but one series of stamens, and that equal in number to the proper number of petals; isostemonous.

A yellow carangoid fish of the Atlantic and Gulf coasts (Caranx chrysos), most abundant southward, where it is valued as a food fish; -- called also hardtail, horse crevallé, jack, buffalo jack, skipjack, yellow mackerel, and sometimes, improperly, horse mackerel. Other species of Caranx (as C. fallax) are also sometim…

American marine food fish of the genus Menticirrus, especially M. saxatilis, or M. nebulosos, of the Atlantic coast; -- called also whiting, surf whiting, and barb.

Any species of Trichechus, a genus of sirenians; -- called alsosea cow. [Written also manaty, manati.]

h, was discovered in Cretaceous beds near Maestricht, in the Netherlands. [Written also Mososaurus.]

An extensive suborder of fresh-water physostomous fishes having the anterior vertebræ united and much modified; the Eventognathi.

The part of the scapula behind or below the spine, or mesoscapula.

The part of the scapula in front of, or above, the spine, or mesoscapula.

Serving to resist. B. Jonsosn.

It is otherwise called lapis Assius, or Assian stone, and is said to have been found at Assos, a city of Lycia. Holland.

ferous plant (Pimpinella Saxifraga). -- Golden saxifrage, a low half-sacculent herb (Chrysosplenium oppositifolium) growing in rivulets in Europe; also, C. Americanum, common in the United States. See also under Golden. -- Meadow saxifrage, or Pepper saxifrage. See under Meadow.