Note 1. Quicksilver easily freezes; and it has frequently been run into a bullet mould, exposed to the cold air till frozen, and in this state rammed down a gun barrel, and fired through a thick plank.
Note 2. The thousands of frogs that fill the swamps of America whistle or chirp so exactly like little birds, that many people, upon hearing them for the first time, have mistaken them for the feathered songsters of the groves. Their only fault is that they scarcely ever cease singing.
Note 3. The traveller sits, or rather lies in it, wrapped in buffalo robes; while the dogs are urged forward by a man who walks behind, and prevents the machine from upsetting, which it is very liable to do, from the inequalities of the ground over which it sometimes passes.