《Tetrabiblos》The Annual SeasonsClaudius Ptolemy（Ashmand 英譯 1822）
It is clear from this sentence that Ptolemy ascribes to the 30 degrees after the vernal equinox, that influence which he has herein mentioned to belong to Aries; to the next 30 degrees, the influence herein said to belong to Taurus; and so of the rest of the zodiac.
段落 tetra-1-theannuals-6public-domain (Ashmand 1822)
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