IVORY

is obtained from the tusks of t a hippopotamus, walrus, narwh: a sperm whale. African elephan yield much more ivory than the India end also of a better quality. The val of the ivory depends much upon the éi of the tuzks, as well as their texture az colour. Jn 1902 more than 10,000 cx was imported into England, valued; £100,000, Most of the ivory used in Ru is obtained from the fo il tuaks of mammoth, a gigantic elephant now extine Ivory bes from ancient times been us for ornamental purpows, The me skilfal ivory-corving at tho present day executed in India and China. [s. 183]