Book, Chapter

 1    I, 6 |   contact with the surrounding air, murmur forth foam. The
 2    I, 6 |        For in winter, when the air is condensed, and prevents
 3    I, 6 |       we call spring, when the air has more humidity, and the
 4   II, 1 |        unmeasured space of the air produce," they cater for
 5   II, 2 |        readings. Then also the air becomes colder than it is
 6   II, 2 |       in them. Let the rush of air, then, which regurgitates
 7   II, 7 |     conceal anything which the air forcibly expelled may bring
 8   II, 10|   thickened by the surrounding air, the arteries about the
 9   II, 10| assimilated to the surrounding air and relaxed in spring, it
10   II, 10|       autem tradidit Deus," ut air Apostolus, "in perturbationes
11   II, 11|     lest the inclemency of the air injure us. And if this is
12   II, 13| necessaries, such as water and air, He supplies free to all;
13  III, 12|   restrain its wrath; let this air wander into ether; and this