The Irrawaddy River dolphin is also an assistant-fisherman. John Anderson reports that “The fishermen believe that the dolphin purposely draws fish to their nets, and each fishing village has its particular guardian dolphin which receives a name common to all the fellows of his school; and it is this superstition which makes it so difficult to obtain specimens of this Cetacean. Colonel Sladen has told me that suits are not infrequently brought into the native courts to recover a share in the capture of fish, in which a plaintiff’s dolphin has been held to fill the nets of rival fishermen.” (John Anderson, _Account of the Zoological Results of Two Expeditions to Western Yunnan_.) The Pink-Bellied river dolphin (_Inia geoffrensis_) of the Trapajós, a tributary of the Amazon, also helps its human friends with fishing. Dr. F. Bruce Lamb[6] says that this dolphin, locally known as the _boto_, “is reported to have saved the lives of helpless persons whose boats have capsized, by pushing them ashore. None of the dreaded flesh-eating _piranhas_ appear when a porpoise is present, for they themselves would be eaten.” And he goes on to give an eye-witness account of fishing with the aid of a trained dolphin. “My curiosity was aroused,” he writes, “by the paddler, who began tapping on the side of the canoe with his paddle between strokes and whistling a peculiar call. Asking Rymundo about this, he startled me by casually remarking that they were calling their _boto_, their porpoise.... As we approached the fishing grounds near the riverbank, Rymundo lit his carbide miner’s lamp, adjusted the reflector, chose his first harpoon, and stood up in the bow ready for action. Almost immediately on the offshore side of the canoe about 50 feet from us we heard a porpoise come up to blow and take in fresh air.” The porpoise then chased the fish toward the canoe and Rymundo harpooned them with ease. Many ancient writers have referred to the brilliancy of the changeful colors when the dolphin is dying. Byron makes reference to this in “Childe Harold’s Pilgrimage,” “Parting day Dies like the dolphin, whom each pang imbues With a new colour as it gasps away; The last still loveliest, till ’tis gone, and all is gray.” Here is a peculiar confusion, for this is not the mammalian dolphin of which we have been speaking, but the swift piscivorous oceanic fish _Coryphaena hippurus_, the dolphin of sailors. It is blue with deeper spots, and gleaming with gold. It is, indeed, famous for the beauty of its changing colors when dying. The mammalian dolphin exhibits no such spectacular color changes when dying.