Pearls & Parasites
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- Pages
- 163
About this book
Pearls & Parasites is a book by A. E. Shipley, whose preface says most of the following essays have appeared in the pages of the Quarterly Review. The preface says the article on ‘The Infinite Torment of Flies’ is an address the author delivered before the British Association at Pretoria in 1905. The text says it has been calculated that the alimentary canal of an apparently healthy scoter may harbour as many as six thousand adult flukes.
The text says there are two courses open to the cercaria when it has once found its way into the mussel: it either forms the nucleus of a pearl and perishes, or it is swallowed by a scoter, becomes adult, and prepares to carry on the race. The text says that Marshal Vaillant, who devoted his declining years to scientific experiments, had repeated in his apartments in the Tuileries the observations of Pasteur on the silkworm disease.
About the author
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Book facts
- Author
- A. E. Shipley
- Pages
- 163
- Language
- English
- Genre
- Popular Science
- Formats
- PDF, EPUB, Read online