This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt: ...well illustrates how animals become adapted to their surroundings. Each foot has a broad sole which aids the camel in traveling by preventing the feet from sinking into the sand. The nostrils can be closed when necessary, and the eyes are pi'otected by thick lashes. Both of these devices help to keep out the sand, ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt: ...well illustrates how animals become adapted to their surroundings. Each foot has a broad sole which aids the camel in traveling by preventing the feet from sinking into the sand. The nostrils can be closed when necessary, and the eyes are pi'otected by thick lashes. Both of these devices help to keep out the sand, which is so often blown about. The camel is further provided with pouches in which enough water may be stored to serve its needs for two or three days. It also has a fatty hump, which furnishes nourishment to the body, so that the camel can go without food longer than most other animals. Human beings naturally shun the desert. Permanent homes can exist only on the oases (Fig. 322); but wandering tribes, or Fig. 324.--A family of nomads and their tent on the Sahara desert in Morocco. nomads, roam about over the desert. They live in tents (Fig. 324), and are engaged either in herding, or in driving caravans of camels laden with articles of trade. What part of North America is included within the north temperate zone? What Life in the Part of the Old World? temperate What countries of South zones America are at least partly in cluded within the south temperate zone? What part of Africa? Of Australia? The land of the temperate zones is in large part forest-covered. Thus a broad 1 in the well-frest belt crosses the northwatered sec-ern interiors of both North tions America and Eurasia. Owing to the moderate rainfall in some parts, and to the rigor of the climate in others, the forest is more open than in the tropical zone. In the forests near the torrid zone, the trees are for the most part tropical in kind. In the cooler parts, however, they are mainly of two sorts: (1) the evergreens, including the pine, spruce, and hemlock, which have needle-like le...
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