Note 2 — Chapter I · STARS OF THE SEA.
Reading edition
Page 9. Kiel observed this phenomenon in Peridinium. The following species of luminous forms existing in the Baltic Sea have been described by Ehrenberg: Prorocentrum micans, Peridinium michælis, Peridinium micans, Peridinium fuscus, Peridinium furca, Peridinium acuminatum, Lynchata baltica, and a species of Stentor.