| The Czarina of Russia | Frontispiece |
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| FACING PAGE |
| Ancient Chinese crown with pearls. Ancient Chinese pearl rosary. Chinese priests keeping guard over the tombs of the kings, in Mukden, where the crowns are preserved | 4 |
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| Grecian pearl and gold necklace | 8 |
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| Front cover of Ashburnham manuscript of the Four Gospels | 16 |
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| Francis I, King of France, 1494–1547. Isabelle de Valois | 19 |
| ??(From photographs by A. Giraudon) | |
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| Maria Theresa (1717–1780), Queen of Hungary | 24 |
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| Facsimile of title-page of decrees of Venetian Senate regulating the wearing of pearls | 27 |
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| Lady Abinger. Mrs. Adair. Baroness de Forest. Hon. Mrs. Renard GrÉville. Marchioness of Lansdowne. Lady Londonderry. Lady Wimborne | 30 |
| ??(From photographs, copyright by Lafayette, Ltd., London) | |
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| Venezuela shell. Panama shell | 36 |
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| Shells from Venezuela with attached pearls. Exterior view of same. X-ray photograph of shell, printed through exterior of shell and showing encysted pearls | 39 |
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| Mexican pearl-oyster with adherent pearl. Group of encysted pearls in shell of Australian pearl-oyster. Mexican pearl-oyster with encysted fish. Group of encysted pearls (oriental). Reverse of same group, showing outline of the individual pearls | 42 |
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| Cross section of an irregular pearl, magnified 80 diameters. Cross sections of pearls, magnified 30 diameters. Thin section of mother-of-pearl, magnified, showing sponge borings which traversed the pearl shell. Structure of conch pearl produced by fracturing, magnified 80 diameters | 53 |
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| Pearls from common clam of eastern coast of America. Pearl “nuggets” from the Mississippi Valley. Wing pearls from the Mississippi Valley. Dog-tooth pearls from the Mississippi Valley | 55 |
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| Actual sizes of pearls from ? grain to 160 grains | 57 |
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| Brooches made of petal, dog-tooth, and wing pearls | 58 |
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| Gray pearls in the possession of an American lady and brooch from Tiffany & Co.’s exhibit, Paris Exposition, 1900 | 60 |
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| Shell of pearl-oyster with attached pearl | 68 |
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| Pinna or wing shell. Pearl-oyster of Ceylon | 72 |
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| Shell and pearls of the common conch | 76 |
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| Cargo boat in pearl fishery of the Persian Gulf. Huts of mats and palm leaves, the homes of the pearl fishermen at Menamah, Bahrein Islands, Persian Gulf | 87 |
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| Agha Mohammed (1666–1725). Shah Sulaiman (1647–1694) | 88 |
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| Arab pearl-divers at work in the Persian Gulf | 90 |
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| His Imperial Majesty, Mohammed Ali, Shah of Persia | 94 |
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| The “Prince of Pearls”; the late Rana of Dholpur in his pearl regalia | 101 |
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| The late Maharajah of Patiala | 108 |
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| Facsimiles of notices of pearl-fishing at Marichchikadde, in English and Cingalese | 110–111 |
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| Unloading oysters from the vessels into the kottus at Marichchikadde, Ceylon. The pearling fleet on the shore at Marichchikadde, Ceylon. Hindu workmen preparing to drill pearls, Marichchikadde, Ceylon | 115 |
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| Indian pearl merchants ready for business. Children of Persian pearl dealers | 120 |
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| Street scene in Marichchikadde, the pearling camp of Ceylon. Return of the fleet from the pearl reefs to Marichchikadde, Ceylon | 126 |
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| Pearls presented by the Imam of Muscat to President Van Buren | |
