Then, again, the scintillations vary. No star flaps his wings like Sirius when he lies low! He flashes out emeralds and rubies, amethystine flames and sapphirine colours, in a manner quite marvellous to behold, and this is only one star! So, too, do Arcturus, and Capella, and lesser luminaries...
Two On A Tower, Chapter VII (p. 59), Harper & Brothers Publishers. 1905