of grammar and free from careless vulgarity. Lucidity is a style which presents the thought in a way easily understood ; conciseness a styk that employs no more words than are necessary for setting forth the subject in hand ; appropriateness lies in a style akin to the subject ; distinction in the avoidance of colloquialism. Among vices of style barbarism is violation of the usage of Greeks of good standing ; while there is solecism when the sentence has an incongruous construction. Posidonius in his treatise On Style defines a poetical phrase as one that is metrical or rhythmical, thus mechanically avoiding the character of prose ; an example of such rhythmical phrase is : O mightiest earth, O sky, God's canopy. a And if such poetical phraseology is significant and includes a portrayal or representation of things human and divine, it is poetry. A term is. as stated by Antipater in his first book On Terms, a word which, when a sentence is analysed, is uttered with complete meaning ; or, according to Chrysippus in his book On Definitions, is a rendering back one's own. 5 Delineation is a statement which brings one to a knowledge of the subject in outline, or it may be called a definition which embodies the force of the definition proper in a simpler form. Genus (in logic) is the comprehension in one of a number of inseparable objects of thought : e.g. Animal ; for this includes all particular animals. A notion or object of thought is a presentation to the intellect, which though not really substance nor Zeller's correction Idiov airodoats for kclI rj awoooais comes from a scholion on Dionysius Thrax.