CONTENTS. 



NAUTICAL. 



CHAP. PAGE 



I. The Raft 1 



II. The Oar, The Paddle, and the Screw 12 



III. Subsidiary Appliances. — Part I. 23 



IV. Subsidiary Appliances. — Part II .34 



V. Subsidiary Appliances. — Part III. — The Boat-hook and 



Punt-pole. — The Life-buoy and Pontoon-raft .... 44 



WAE AND HUNTING. 



I. The Pitfall, the Club, the Sword, the Spear and Dagger . 50 



II. Poison, Animal and Vegetable. — Principle of the Barb . 62 



III. Projectile "Weapons and the Sheath 74 



IV. The Net 85 



V. Reverted Spikes 102 



VT. The Hook. — Defensive Armour. — The Fort . . . .115 



VII. Scaling Instruments. — Defence of Fort. — Imitation. — The 



Fall-Trap . 132 



VIII. Concealment. — Disguise. — The Trench. — Power of Gravity. 



— Miscellanea 144 



ABCHITECTUKE. 



I. The Hut, Tropic and Polar. — Pillars and Flooring. — 

 Tunnel Entrance of the Igloo. — Doors and Hinges. — 



Self-closing Trap-Doors 159 



II. Walls, Double and Single. — Porches, Eaves, and Windows. — 



Thatch, Slates, and Tiles 177 



III. The Window. — Girders, Ties, and Buttresses. — The Tunnel. — 



The Suspension-Bridge 190 



IV. Lighthouses. — The Dovetail. — The Dam. — Subterranean 



Dwellings. — The Pyramids. — Mortar, Paint, and Varnish . 207 



b 



