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308                                 Pearls.
barely visible to unaided vision, offers a most lovely object to the telescope. It is then found to consist of a cluster of no less than no stars, very small, but of the most vivid colours. Two are ruby red, two emerald green, three of an aquamarine tint, another of sapphire blue, while others range from dark orange to delicate lemon colour. Those which are white seem to shine out more vividly from the contrast.
It may truly be considered to form a tray of the jeweller's finest gems.
I enclose a little sketch of the stars, and am, Yours faithfully,
Crawford. Mr. Edwin W. Streeter.