Arsenic

IMG:p47_6.png:Chinese characters:Q Jisin shih. The annual movement of this product through Treaty ports is on an average nearly 1,000 tons, the producing ports being Hankow and' Changsha, and a little is also sent out from Kuangtung. The arsenic is sent mostly to Tientsin and the Shantung ports, and then inland to be used by the peasants for poisoning insect pests, including those which attack the wild silkworms. Arsenic in the form of oi'piment occurs in many places in N. W. Yiinnan, the chief mines being near Chaochow, near Tali and in Menghua, etc. See Orpiment.