. Botany of the Faeröes, based upon Danish investigations. Botany -- Faroe islands. 583 78. P. depressum Bailey, Smithson Contrib. to Knowledge, II, 8, Washington 1850, p. 12, ligs. 33—34. A very characteristic species ol' boreal, oceanic origin; rather cora- mon around the Færoes and found during most of the months. fSee tahles.] 79. P. oceanicum Vanhoffen, (ironiand Exped. d. Gesellsch. f. Erdkunde zu Berlin, Bd. II, 1, 1897, PI. 5, lig. 2. Temperate, oceanic species which is rare along the Færoes; found in January, .lune and October, bul in a few specimens. VIII. CERATIUM Schrank, 1793. The


. Botany of the Faeröes, based upon Danish investigations. Botany -- Faroe islands. 583 78. P. depressum Bailey, Smithson Contrib. to Knowledge, II, 8, Washington 1850, p. 12, ligs. 33—34. A very characteristic species ol' boreal, oceanic origin; rather cora- mon around the Færoes and found during most of the months. fSee tahles.] 79. P. oceanicum Vanhoffen, (ironiand Exped. d. Gesellsch. f. Erdkunde zu Berlin, Bd. II, 1, 1897, PI. 5, lig. 2. Temperate, oceanic species which is rare along the Færoes; found in January, .lune and October, bul in a few specimens. VIII. CERATIUM Schrank, 1793. The species of this genus are the most important plankton-forms of the Peridiniaceae; the northern forms have been treated by al- most all the authors who have written about the plankton of the North Atlantic Ocean and its tributaries, vi/. Schull, Vanhoffen, Cleve, Jorgensen, Gran and the author of the present paper. Subgen. 1, EUCERATIUM Gran. Sectio Tripos. Antapical-horns elosed at the distal end; lists of Ihe horns without spines. 80. C. tripos (O. F. Miill.) Nitzsch., Syn. C. tripos, var. baltica Schutt, Pflanzenleben d. Hochsee, fig. 20 IV a, lig. 35 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carlsbergfondet (Copenhagen, Denmark). Copenhagen, Nordisk Forlag, London, Wheldon


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