Note 18 — Chapter III · FIXED LUMINARIES OF THE SEA.
Reading edition
Page 26. Pennatulidæ. The name of a family of marine animals, which includes the Umbellularias, Veretillum, etc.,—the last highly phosphorescent.
Reading edition
Page 26. Pennatulidæ. The name of a family of marine animals, which includes the Umbellularias, Veretillum, etc.,—the last highly phosphorescent.