[81.] Solutio.
[82.] Scholium.
[83.] Problema.
[84.] Solutio.
[85.] Corollarium 1.
[86.] Corollarium 2.
[87.] Scholium.
[88.] Experimenta quæ ad Sectionem V. pertinent. Ad §. 5.
[89.] HYDRODYNAMICÆ SECTIO SEXTA. De fluidis non effluentibus ſeu intra latera vaſorum motis. §. 1.
[90.] De motu aquarum per canales indefinite longos. Caſus 1.
[91.] Exemplum 1.
[92.] Exemplum 2.
[93.] De oſcillationibus fluidorum in tubisrecurvis. Caſus II.
[94.] Lemma.
[95.] Solutio.
[96.] Problema.
[97.] Solutio.
[98.] Corollarium 1.
[99.] Corollarium 2.
[100.] Corollarium 3.
[101.] Corollarium 4.
[102.] Theorema.
[103.] Demonſtratio.
[104.] Problema.
[105.] Solutio.
[106.] Corollarium. 1.
[107.] Corollarium 2.
[108.] Scholion.
[109.] Theorema.
[110.] Demonſtratio.