CHAP. 22. (24.)—OR THE STARS WHICH APPEAR SUDDENLY, OR OF COMETS[1].

A few things still remain to be said concerning the world; for stars are suddenly formed in the heavens themselves; of these there are various kinds.

(25.) The Greeks name these stars comets[2]; we name them Crinitæ, as if shaggy with bloody locks, and surrounded with bristles like hair. Those stars, which have a mane hanging down from their lower part, like a long beard, are named Pogoniæ[3]. Those that are named Acontiæ[4] vibrate like a dart with a very quick motion. It was one of this kind which the Emperor Titus described in his very excellent poem, as having been seen in his fifth consulship; and this was the last of these bodies which has been observed. When they are short and pointed they are named Xiphiæ[5]; these are the pale kind; they shine like a sword and are without any rays; while we name those Discei[6], which, being of an amber colour, in conformity with their name, emit a few rays from their margin only. A kind named Pitheus[7] exhibits the figure of a cask, appearing convex and emitting a smoky light. The kind named Cerastias[8] has the appearance of a horn; it is like the one which was visible when the Greeks fought at Salamis. Lampadias[9] is like a burning torch; Hippias[10] is like a horse's mane; it has a very rapid motion, like a circle revolving on itself. There is also a white comet, with silver hair, so brilliant that it can scarcely be looked at, exhibiting, as it were, the aspect of the Deity in a human form. There are some also that are shaggy, having the appearance of a fleece, surrounded by a kind of crown. There was one, where the appearance of a mane was changed into that of a spear; it happened in the 109th olympiad, in the 398th year of the City[11]. The shortest time during which any one of them has been observed to be visible is 7 days, the longest 180 days.

1. We may remark, that our author, for the most part, adopts the opinions of Aristotle respecting comets and meteors of all kinds, while he pays but little attention to those of his contemporary Seneca, which however, on some points, would appear to be more correct. See the remarks of Marcus in Ajasson, ii. 244. Under the title of comets he includes, not only those bodies which are permanent and move in regular orbits, but such as are transient, and are produced from various causes, the nature of which is not well understood. See Aristotle, Meteor. lib. i. cap. 6, 7, and Seneca, Nat. Quæst. lib. 7, and Manilius, i. 807 et seq.

2. a ko/mh, coma.

3. a pwgwni/os, barbatus. Most of these terms are employed by Aristotle and by Seneca.

4. ab a)ko/ntion, jaculum.

5. a ci/fos, ensis.

6. a di/skos, orbis.

7. a pi/qos, dolium. Seneca describes this species as "magnitudo vasti rotundique ignis dolio similis;" Nat. Quæst. lib. i. § 14. p. 964.

8. a ke/ras, cornu.

9. a lampa)s, fax.

10. ab i(/ppos, equus. Seneca mentions the fax, the jaculum, and the lampas among the prodigies that preceded the civil wars; Phars. i. 528 et seq.

11. Alexandre remarks, that these dates do not correspond, and adds, "Desperandum est de Pliniana chronologia; nec satis interdum scio, utrum librarios, an scriptorem ipsum incusem,...." Lemaire, i. 295. According to the most approved modern chronology, the middle of the 109th olympiad corresponds to the 211th year of the City.