The ordinary load of the llama is about one hundred pounds, and its rate of travelling with this burthen over rugged mountain passes is from twelve to fifteen miles a-day. When overloaded it lies down, and will not rise until relieved of part of its burthen. ‘The Indians,’ says Tschudi, ‘often travel with large herds of llamas to the coast to fetch salt. Their journeys are very small, rarely more than three or four leagues; for the llamas never feed after sunset, and are thus obliged to graze while journeying, or to rest for several hours. While reposing they utter a peculiar low tone, which at a distance resembles the sound of an Æolian harp. A loaded herd of llamas traversing the high table-lands affords an interesting spectacle. Slowly and stately they proceed, casting inquisitive glances on every side. On seeing any strange object which excites their fears, they immediately scatter in every direction, and their poor drivers have great difficulty to gather the herd.’ The Indians, who are very fond of these animals, decorate their ears with ribbons, hang little bells about their necks, and always caress them before placing the burthen on their back. When one of them drops from fatigue, they kneel at its side and strive to encourage it for further exertion by a profusion of flattering epithets and gentle warnings. Yet, in spite of good treatment, a number of llamas perish on the way to the coast or to the forests, as they cannot stand the hot climate. The _Huanacu_ is of a greater size than the llama, and resembles it so much that it was supposed to be the wild variety until Tschudi, in his ‘Fauna Peruana,’ pointed out the specific differences between both. Its fleece is shorter and less fine; its colour brown, the under parts being whitish--but varieties of colour are never observed, as in the llama; the face is blackish grey, lighter and almost white about the lips. The huanacus generally live in small troops of from five to seven. They are very shy, but when caught young are easily tamed, though they always remain spiteful, and can hardly ever be trained to carry burthens. The _Alpaca_ is smaller than the llama, and resembles the sheep; but its neck is longer, and it has a more elegantly formed head. The wool which, on account of its admirable qualities, is extensively used in England, is very long, soft, fine, and of a silky lustre--sometimes quite white or black, but often also variegated. [Illustration: THE ALPACA.]