National Geographic : 1927 Sep
THE NATIONAL GEOGRAPHIC MAGAZINE ( National (ieograpnic society £viagninea Iuu liameters THE TINY CREATURES THAT MAKE THE OCEANS GLOW Of all the phosphorescent animals of the sea, Noctiluca is perhaps the best known. This little light producer exists in enormous numbers in warm and temperate waters. There are several species of Noctiluca, and each has a quality and color of luminescence peculiarly its own. This group of Noctiluca miliaris came from the Gulf of Mexico.