This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ... not to be regretted; cattle and sheep will take their place to the advantage of the country." In other regions which are deserts or on the edge of the desert and where consequently great migrations are necessary, camel-raising holds its own and cannot be neglected. We find here the influence of the human element as a geographical factor. The security enjoyed by the sedentary peoples and the building of railroads have made the camel useless both as a pack animal and as a war animal; it is giving way to the sheep, which is truly the animal of the Algerian steppe. Care should be taken not to interfere with the growth of the flocks of sheep through measures too restrictive upon grazing or too favorable to cultivation. According to Bernard and Lacroix, the best thing would be, not to sacrifice cultivated lands or forests, but to substitute intensive for extensive sheep-raising by care of the pasture lands, by the development of wateringplaces, by a better utilization of the actual resources. 'Aug. Bernard and N. Lacroix. p. 116. That there is ground for such a proceeding, and that great advantages may be hoped from it, is shown by the results obtained in other countries. "In Australia in the Murray basin, the irrigation projects have allowed the creation of fields of alfalfa; thanks to this plant, 15,000 sheep are fed upon 200 acres, or 75 per acre, while formerly in the same country it required 4 acres to feed 5 sheep."1 Another factor which is modifying the conditions of nomadism is the commercial factor, or rather the changes which it is undergoing. Formerly it was necessary to organize great caravans in order to send to the markets of the Tell the flocks, the wool, and other products of sheep-raising, and to bring back...