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1 2|     and the veins again of contracting upon their contents and
2 3| made the uterus capable of contracting upon, and of retaining the
3 3| the uterus were moving and contracting upon itself. Now, if both
4 3|   fact that the stomach is contracting accurately upon the food
5 3|   found all the intestines contracting peristaltically upon their
6 3|  by it while retaining and contracting upon it, we may also expect
7 3|     when the outer coat is contracting, this air is easily forced