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36 · Eastern and western winds
I.40.1.36 · Wachsmuth pp. 264
Among the east winds, Aparctias is the name of ⟨the⟩ wind flowing from the place of the summer sunrise; Apeliotes, ⟨of the one from the equinoctial sunrise; and Eurus, of the one⟩ from the winter sunrise. Of the opposite west winds, Argestes comes from the summer sunset, called Olympias by some and Iapyx by others; Zephyrus is ⟨the one⟩ from the equinoctial sunset, ⟨and Lips the one from the winter sunset⟩.1020
37 · Northern and southern winds
I.40.1.37 · Wachsmuth pp. 264
Among the northern winds in particular, the one [of those] next to Caecias is called Boreas; [and also] the next [of them in order], coming from the pole along the meridian, is Aparctias. The one next to Argestes is Thrascias, which some call Caecias.1021 Among the south winds [on the one hand], the one coming from the unseen pole, opposite Aparctias, is called Notus; the one between it and Eurus is Euronotus. The one on the other side, between Lips and Notus, some call Libonotus and others Libophoenix.
38 · Wind courses and seasons
I.40.1.38 · Wachsmuth pp. 264-265
Some winds blow straight, running forward in a straight course; others bend back in their blowing, such as the one called Caecias. Some prevail in winter, like the south winds; others in summer, like the so-called Etesians, which combine winds from the north with west winds. The winds called Ornithian blow in spring and belong to the northern class.1022
39 · Violent blasts
I.40.1.39 · Wachsmuth pp. 265
Among violent blasts, a squall is a wind … that strikes forcibly and suddenly. A tempest or whirlwind is wind twisting up and down. An upward blast is wind from the earth carried aloft as it rises from some depth or fissure; when a great quantity is borne along in a whirl, it is a terrestrial storm blast.1023
40 · Thunder and lightning
I.40.1.40 · Wachsmuth pp. 265
Wind trapped in a thick ⟨and⟩ moist cloud and forced violently through it, ⟨rupturing⟩ the cloud’s compressed mass, produces a great roar and crash called thunder, like air driven violently through water. When the cloud bursts, the wind that has caught fire and flashed is called lightning;1024
41 · Why the flash appears first
I.40.1.41 · Wachsmuth pp. 265
it reaches us before the thunder although it comes into being later, because what is audible naturally arrives after what is visible. The latter is apparent even from far away, the former only when it comes close to the hearing; and this is so when the one, I mean the fiery element, is the swiftest of things, while the other, the airy element, is less swift, reaching the hearing in the impact.1025
42 · Thunderbolt, fiery blast, and whirlwind
I.40.1.42 · Wachsmuth pp. 265-266
What flashes, is violently kindled, and passes all the way to the earth is called a thunderbolt. If it is only partly fiery, but otherwise violent and concentrated, it is a fiery storm blast; if entirely without fire, a whirlwind. Each of these, when it strikes down upon the earth, is called a striking bolt.1026
43 · Kinds of thunderbolt
I.40.1.43 · Wachsmuth pp. 266
Of thunderbolts, the smoky ones are called smoldering, those that dart swiftly bright, those that travel in a streak winding, and those that strike something striking bolts.1027
44 · Appearances and physical formations
I.40.1.44 · Wachsmuth pp. 266
To sum up, some apparitions in the air occur as an appearance, ⟨others as an actual formation. As an appearance occur⟩ rainbows, rods, and things of that kind generally; as actual formations, shooting lights, comets, and similar things.1028
45 · Rainbow, rod, and halo
I.40.1.45 · Wachsmuth pp. 266
A rainbow is an appearance of a segment of the sun or moon, seen along the circumference of a circle in a moist, hollow, continuous cloud that presents the image as in a mirror. A rod is a straight appearance of a rainbow. A halo is a surrounding appearance of a heavenly body’s brightness, differing in this characteristic: ⟨that⟩ a rainbow appears opposite the sun or moon, whereas a halo appears around any heavenly body.1029
46 · Shooting and stationary lights
I.40.1.46 · Wachsmuth pp. 266
A luminous flare is the kindling of a mass of fire in the air. Some flares shoot out, while others remain in place. A shooting flare is fire generated by friction, moving rapidly through the air and presenting an appearance of length because of its speed. A stationary flare is an elongated extension without movement, like a stream from a star; when it broadens at one end, it is called a comet.1030
47 · Other fiery appearances
I.40.1.47 · Wachsmuth pp. 266-267
Often some flares persist for a longer time, while others are extinguished at once. Many other forms of apparition are also seen, called torches, beams, beards, and pits because of their resemblance to these things. Some appear in the west, some in the east, and some in both; rarely they appear in the north or south as well. All are transient: none has ever been recorded as remaining fixed and perpetually visible.1031
48 · Underground fire and warm springs
I.40.1.48 · Wachsmuth pp. 267
Such are the phenomena of the air. The earth also contains many sources within itself, of wind and fire just as of water. Some are invisible beneath the earth; many have vents and upward blasts, as at Lipara, Etna, and the island of Aeolus. Others often flow out like a river and throw up masses of glowing rock. Some underground sources, lying near spring waters, heat them, sending up streams that are lukewarm, exceedingly hot, or well tempered.1032
49 · Vents and oracles
I.40.1.49 · Wachsmuth pp. 267
Likewise, many openings for winds stand open in many parts of the earth. Some cause those who approach to enter inspired frenzy, … others to utter oracles, as at Delphi and Lebadea, while others kill them outright, as in Phrygia.1033
50 · The cause of earthquakes
I.40.1.50 · Wachsmuth pp. 267-268
Often a naturally present, well-tempered wind within the earth, driven aside into its deep passages and displaced from its proper regions, shakes many parts together. Often, too, when it accumulates in great quantity, is driven into the earth’s hollows, and is barred from an outlet, it shakes the earth violently in seeking a way out for itself, producing the disturbance we customarily call earthquakes.1034
51 · Kinds of earthquake
I.40.1.51 · Wachsmuth pp. 268
Of earthquakes, those that shake sideways at acute angles are called tilting; those that toss up and down at right angles, heaving; those that cause subsidence and hollows, gaping; and those that make clefts and split the earth, rending. Some of these also throw up wind, others rocks, others mud, while others reveal springs that did not exist before.1035
52 · Thrusts and tremors
I.40.1.52 · Wachsmuth pp. 268
Some turn aside in a single thrust and are called ⟨thrusting; those that toss up and, through inclinations to either side⟩ and rebounds, repeatedly set the shaken object upright are called trembling, producing an effect like a shudder.1036