. Botanisk tidsskrift. Botany; Plants; Plants. — 213 — Prorocentraceae. Exuviella Cienk. 1. E. compressa (Bail.) Ostenfeld, Iagttagelser over Overfladevandets Temperatur, Saltholdighed og Plankton paa islandske og grønlandske Skibs- router, 1899, p. 59 ; Dinopyxis compressa Stein, Der Organismus der In- fusionsthiere III. Abtheil., Leipzig 1878-83, PI. I, f. 34-38. 6 (rr). Area: Almost ubiquitous. Prorocentrum Ehrenbg. 2. P. mica us Ehrenbg. 1 (rr) - 2 (rr) - 3 (rr) - 6 (rr) - 8 (rr). Area: Atlantic, Mediterranean, Red Sea, Indian Ocean. Peridiniaceae. Pyrophacus Stein. 3. P. horologium Stein
. Botanisk tidsskrift. Botany; Plants; Plants. — 213 — Prorocentraceae. Exuviella Cienk. 1. E. compressa (Bail.) Ostenfeld, Iagttagelser over Overfladevandets Temperatur, Saltholdighed og Plankton paa islandske og grønlandske Skibs- router, 1899, p. 59 ; Dinopyxis compressa Stein, Der Organismus der In- fusionsthiere III. Abtheil., Leipzig 1878-83, PI. I, f. 34-38. 6 (rr). Area: Almost ubiquitous. Prorocentrum Ehrenbg. 2. P. mica us Ehrenbg. 1 (rr) - 2 (rr) - 3 (rr) - 6 (rr) - 8 (rr). Area: Atlantic, Mediterranean, Red Sea, Indian Ocean. Peridiniaceae. Pyrophacus Stein. 3. P. horologium Stein , Pl. XXIV, f. 1-13. 1 (rr) — 2 (rr) — 7 (rr) — 10 (rr). Area: Atlantic, Mediterranean, Red Sea, Indian Ocean, Pacific. Ceratium Schranck. 4. C. tripos (0. F. Müller) Nitsch. var. baltica Schutt, Pflanzenleben d. Hochsee, p. 266, f. 4 a. I observed two slightly different forms both of which may be referred to the above variety by Schutt. The first form differs from Baltic specimens by the left posterior horn being somewhat bent forward. The second form observed is characterized by the posterior horns being longer and running more parallel. 0 I name this form: f. parallela Schm. n. f. (see fig. 1). It closely approaches to the forms figured by Cleve in Report on the Phyto- Plankton collected on the expedition of H. M. S. „Research", 1896, Fifteenth Annual Report of the Fishery Board for Scotland, Part III, PI. 1, fig. 1, 1897. 1 (rr) - 2 (rr) - 3 (rr) - 4 (rr) — 6 (rr) 8 (rr). Fig. 1. Ceratium tripos, var. baltica Area: Atlantic. Schutt, i. parallela. Ventral 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 Botaniske forening i København. København : H. Hagerups Forlag
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
