These exercises comprise:—

1st and 2d. Construction of plans by the aid of the compass.

3d. The plan of a fortification made with the plane table.

4th. The determination of the variation of the compass.

5th. The execution of a second survey by the aid of the compass.

6th. The execution of a rapid survey by pacing the distances.

7th. The execution of a reconnaissance survey.

8th. The execution of a an itinerary and reconnaissance sketch.

9th. The preparation of a plan on which the whole of the operations of a sham siege may be laid down, as the works of attack and defense proceed.