433. The definite article is repeated before each of two modifiers of the same noun, when the purpose is to call attention to the noun expressed and the one understood. In such a case two or more separate objects are usually indicated by the separation of the modifiers. Examples of this construction are,—
With a singular noun.
The merit of the Barb, the Spanish, and the English breed is derived from a mixture of Arabian blood.—Gibbon.
The righteous man is distinguished from the unrighteous by his desire and hope of justice.—Ruskin.
He seemed deficient in sympathy for concrete human things either on the sunny or the stormy side.—Carlyle.
It is difficult to imagine a greater contrast than that between the first and the second part of the volume.—The Nation, No. 1508.
With a plural noun.
There was also a fundamental difference of opinion as to whether the earliest cleavage was between the Northern and the Southern languages.—Taylor, Origin of the Aryans.
434. The same repetition of the article is sometimes found before nouns alone, to distinguish clearly, or to emphasize the meaning; as,—
In every line of the Philip and the Saul, the greatest poems, I think, of the eighteenth century.—Macaulay.