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| | Aristotle - The History of Animals 7-1 |
 | | And, by the way, the difference of male and female and of their respective organs has been dealt with heretofore. |
 | | When twice seven years old, in the most of cases, the male begins to engender seed; and at the same time hair appears upon the pubes, in like manner, so Alcmaeon of Croton remarks, as plants first blossom and then seed. |
 | | About the same time, the voice begins to alter, getting harsher and more uneven, neither shrill as formerly nor deep as afterward, nor yet of any even tone, but like an instrument whose strings are frayed and out of tune; and it is called, by way of by-word, the bleat of the billy-goat. |
| www.book-portal.net /aristotle/history/book7-1.html (760 words) |
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