Far away a school of porpoises was circling the waves, their black fins sinking out of sight and reappearing as regularly as if they moved to some marine music.
"The Princess Pocahontas"
Virginia Watson
We had good reason to love and admire its verdure now, when we found amongst it pure water in great abundance, into which all our native companions immediately plunged, and rolled about like porpoises.
"Journal of an Expedition into the Interior of Tropical Australia In Search of a Route from Sydney to the Gulf of Carpentaria (1848) by Lt. Col. Sir Thomas Livingstone Mitchell Kt. D.C.L. (1792-1855) Surveyor-General of New South Wales"
Thomas Mitchell
There the water was like purple glass, save where a rush of porpoises parted it in swift pursuit of the flying-fish.
"The Locusts' Years"
Mary Helen Fee