A large variety of materials have been used in their manufacture by different peoples at different times - painted linen and shavings of stained horn by the Egyptians, gold and silver by the Romans, rice-paper by the Chinese, silkworm cocoons in Italy, the plumage of highly coloured birds in South America, wax, small tinted shells, &c. At the beginning of the 8th century the French, who originally learnt the art from the Italians, made great advances in the accuracy of their reproductions, and towards the end of that century the Paris manufacturers enjoyed a world-wide reputation. [Please select]
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In this string of cocoons, which is the oldest, which the youngest. [Please select]
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The way is blocked by the nearest cocoons, as yet intact. [Please select]
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The cocoons are next laid out in one of the troughs. [Please select]
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Lastly, the apparatus is hung up perpendicularly, with the cocoons' heads up. [Please select]
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My next test is made with a string of live cocoons. [Please select]
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To vary and complicate the experiment, the strings of cocoons are arranged differently in different tubes. [Please select]
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Indeed, at the end, I find myself with handfuls of cocoons of the Three-horned Osmia. [Please select]
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He was occupied with turning over the dry leaves, one after another,--hunting for cocoons, or things of that sort, I suppose. [Please select]
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] On opening a certain number of these cocoons, we end by discovering some which, in place of the Osmia's larva, contain each a curiously shaped nymph. [Please select]
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