RADIOLARIAN • E-FREE TRANSLATION.COM • Definition of Radiolarian

... creatures. For this reason it was that Professor Murray, the naturalist of the famous expedition which the British government sent around the world in the ship Challenger, asked Haeckel to work up the radiolarian material that had been gathered during that voyage. Murray showed Haeckel a little bottle containing water, with a deposit of seeming clay or mud in the bottom. "That mud," he said, "was dredged up from the bottom of the ocean, ...

— A History of Science, Volume 5(of 5) - Aspects Of Recent Science • Henry Smith Williams