Animal Parasites and Messmates
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Animal Parasites and Messmates is by P. J. van Beneden. The text says there is not, as was formerly supposed, a class of parasites, but all the classes of the animal kingdom include some among their inferior ranks. In the first category the author places all those which are free at the commencement of their life, and swim and take their sport without seeking assistance from others.
The text speaks of a sarcoptes, S. mutans, which produces a disease among fowls and passes from these to the horse and other domestic animals. The sarcoptes prefers to live under the epidermis of the feet, and reptiles are not free from its attacks, for it is often seen on lizards and serpents. Many insects are always covered with certain species of acaridæ, and the text says the body of the watchman beetle always has some of these, like little living pearls.
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Book facts
- Author
- P. J. van Beneden
- Pages
- 197
- Language
- English
- Genre
- Biology
- Formats
- PDF, EPUB, Read online