[71.] The Differences of Youth and Old Age.

[72.] Moveable Canons of the Duration of Life and Form of Death. Canon I.

[73.] The Explication.

[74.] Canon II.

[75.] The Explication.

[76.] Canon III.

[77.] The Explication.

[78.] Canon IV.

[79.] The Explication.

[80.] Canon V.

[81.] The Explication.

[82.] Canon VI.

[83.] The Explication.

[84.] Canon VII.

[85.] The Explication.

[86.] Canon VIII.

[87.] The Explicætion.

[88.] Canon IX.

[89.] The Explication.

[90.] Canon X.

[91.] The Explication.

[92.] Canon XI.

[93.] The Explication.

[94.] Canon XII.

[95.] The Explication.

[96.] Canon XIII.

[97.] The Explication.

[98.] Canon XIV.

[99.] The Explication.

[100.] Canon XV.