Book,  Paragraph

 1  II,  7|       sexes, but mules alone are sterile, for they do not generate
 2  II,  7|       whether male or female, is sterile is a general one, for some
 3  II,  7|       for some men and women are sterile, and so are other animals
 4  II,  7|           Both men and women are sterile from birth when the parts
 5  II,  7|       subjects especially remain sterile if anything of the sort
 6  II,  8|        whole of the mule kind is sterile. The reason has not been
 7  II,  8|     dense" that the offspring is sterile, whereas the offspring of
 8  II,  8|      male and female ass, is not sterile? And yet the generative
 9  II,  8|        and mare ought also to be sterile. If one of them alone united
10  II,  8|    female alone that is entirely sterile, and even she is so only
11  II,  8| constitution of the ass to being sterile. The horse is much the same;
12  II,  8|     comes very near generating a sterile animal when mated with its
13  II,  8|          cross, being still more sterile and contrary to nature,
14  II,  8|       nothing further to make it sterile, but will be so of necessity.~