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insect, the larva of which makes in the sand a pitfall to capture ants, etc. The common American species is Myrmeleon obsoletus, the European is M. formicarius.

Having some portion of the floral envelopes attached to the pericarp to form the fruit, as in the checkerberry, the mulberry, and the pineapple.

Opposition to imperialism; -- applied specif., in the United States, after the Spanish-American war (1898), to the attitude or principles of those opposing territorial expansion; in England, of those, often called Little Englanders, opposing the extension of the empire and the closer relation of its parts, esp. in matt…

A group of nomadic North American Indians including several tribes native of Arizona, New Mexico, etc.

A kind of pack saddle used in the American military service and among the Spanish Americans. It is made of leather stuffed with hay, moss, or the like.

Having two or more parts of different curvatures, so combined as to remove spherical aberration; -- said of a lens. Aplanatic focus of a lens (Opt.), the point or focus from which rays diverging pass the lens without spherical aberration. In certain forms of lenses there are two such foci; and it is by taking advantage…

Freedom from spherical aberration.

Free from chromatic and spherical aberration; -- said esp. of a lens in which rays of three or more colors are brought to the same focus, the degree of achromatism thus obtained being more complete than where two rays only are thus focused, as in the ordinary achromatic objective. --Ap`o*chro"ma*tism (#), n.…

One who, after having received sacred orders, renounces his clerical profession.

A name of the great blue and yellow macaw (Ara ararauna), native of South America.

A South American bird, of the genus Pleroglossius, allied to the toucans. There are several species.

A South American monkey, the ursine howler (Mycetes ursinus). See Howler, n., 2.

A large fresh-water food fish of South America.

A genus of tall conifers of the pine family. The species are confined mostly to South America and Australia. The wood cells differ from those of other in having the dots in their lateral surfaces in two or three rows, and the dots of contiguous rows alternating. The seeds are edible.

An evergreen tree of the cypress tribe, genus Thuja. The American species is the T. occidentalis.

imals. The famous Persian Argas, also called Miana bug, is A. Persicus; that of Central America, called talaje by the natives, is A. Talaje.

Of or pertaining to the Argentine Republic in South America.

A large flatboat used on Western American rivers to transport produce to market.

Any edentate animal if the family Dasypidæ, peculiar to America. The body and head are incased in an armor composed of small bony plates. The armadillos burrow in the earth, seldom going abroad except at night. When attacked, they curl up into a ball, presenting the armor on all sides. Their flesh is good food. There a…

A thick plain silk, generally black, and used for clerical. Simmonds.