13 .-- In this plan for mounted artillery and engineers, the fires are so arranged as to expose the ammunition as little as possible to the sparks from the kitchens.
Fig.

14 .-- Simple parallel order of battle.
15 .-- Parallel order, with a crochet on the flank.
16 .-- Parallel order, reinforced on a wing.
17 .-- Parallel order, reinforced on the centre.
18 .-- Simple oblique order.
19 .-- Oblique order, reinforced on the assailing wing.
20 .-- Perpendicular order.
21 .-- Concave order.
22 .-- Convex order.
23 .-- Order by echelon on a wing.
24 .-- Order by echelon on the centre.
25 .-- Combined order of attack.
26 .-- Formation of infantry by two deployed lines.
27, 28.--- Arrangements corresponding to depth of column.
29 .-- Formation by squares.
30 .-- Mixed formation of three battalions.
31 .-- Deep formation of heavy columns.
32 .-- Formation in columns by brigade.
33 .-- Formation of two brigades of cavalry, by the mixed system.
34 .-- Passage of the Sound by the British fleet, in 1807.
35 .-- Attack on Copenhagen.
36 .-- Attack on Algiers.
37 .-- Attack on San Juan d'Ulloa.
38 .-- Attack on St.Jean d'Acre.
39 .-- Plan of a regular bastioned front of a fortification.
40 .-- Section of do.

do.
41 .-- Tenaillons.
Fig.

42 .-- Demi-tenaillons, with a bonnet.
43 .-- A horn-work.
44 .-- A crown-work.
45 .-- A redan.
46 .-- A lunette.
47 .-- A mitre or priest-cap.
48 .-- A bastioned fort.
49 .-- Vertical section of a field intrenchment.
50 .-- Simple sap.
51 .-- Flying sap.
52 .-- Full sap.
53 .-- Crater of a military mine.
54 .-- Plan of the attack of a regular bastioned work.
[Illustration] [Illustration] [Illustration] [Illustration] [Illustration] [Illustration] [Illustration] [Illustration] [Illustration] [Illustration] [Illustration] [Illustration].