《Tetrabiblos》Tropical, Equinoctial, Fixed, And Bicorporeal SignsClaudius Ptolemy（Ashmand 英譯 1822）
the first thirty degrees after the summer solstice, which compose the sign of Cancer; and the first thirty degrees after the winter solstice, composing the sign of Capricorn.
段落 tetra-1-tropicaleq-2public-domain (Ashmand 1822)
↗ 開啟公有領域原文（Wikisource）此段為公有領域典籍逐字擷取，零 AI 生成；原文亦存繁化前底本，可逐字審計。我們寧可少引、不可錯引——驗不過的引文一律捨棄。