Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 63. (Budapest 1971)

Kol, E.: Green snow and ice from the Antarctica

Chlamydomonas ballenijana var. minor nova var. (Pl. I, Figs. 1—6); Cryocystis brevispina FRITSCH fo. groenlandica KOL (Pl. I, Fig. 14); Cryocystis granulosa KOL (Pl. I, Fig. 15); Scotiella nivalis (SHUTTLEW.) FRITSCH (Pl. I, Figs. 7, 8); Scotiella polyptera FRITSCH (Pl. I, Figs. 16—19). The green cryoseston communities deriving from Terre Adélie and the Sabrina Island are similar to each other. In the microorganism communities of green ice originating from Terre Adélie and the Sabrina Island, the predominating species are Chlamydomonas ballenyana KOL and Bracteococcus minor var. glaciális FLINT. In the green snow of various areas from the Antarctica, the species Cryocystis brevispina (FRITSCH) KOL, and Baphidonema nivale LAGERH. are frequent. Algae lîraeteocoeeus minor (CHOD.) PETROVÁ var. glaciális FLINT Plate I, Figs. 9-13 Sphaerical cells, 9—15 u. in diameter, with one or two chloroplastis, without pyrenoide (Pl. I, Fig. 13). Wall of young cells thin, that of older specimens with a local thickening or tuberculiform incrassation on one side (Pl. I, Fig. 11). Propagation by forming aplanospores and zoospores (Pl. I, Figs. 9, 12). Zoosporangium sphaerical (Pl. I, Fig. 10), 21 u. in diameter. Zoospores 5 u. wide and 10 [x long, slightly larger than in the species deriving from the Balleny Island. Zoospores liberated by jellyfication of zoosporangial wall. This microorganism was first described by FLINT (KOL & FLINT, 1968) from the green ice of the Sabrina Island in the Antarctica. Chlamydomonas ballenyana KOL var. minor nova var. Plate I, Figs. 1-6 Differt a typo in dimensione cellularum. Hab. in nivibus at glacie viride, Terre Adélie, Antarctica. Elliptic cells, 6—8 u. wide, 12—14 u. long, with thin walls, one chloroplast, and a small round stigma in anterior part of cell (Pl. I, Fig. 5—6). Propagation: cell-division (Pl. I, Figs. 1—3); formation of 4—8 daughter cells (Pl. I, Fig. 4). The form differs from the nominate one of the Sabrina Island by its smaller measurements. Cryocystis brevispina (FRITSCH) KOL fo. groenlandica KOL Plate I, Fig. 14 Oval cells, 20 jx long, 15 u. wide, wall covered with short spines. The nominate form of this microorganism was first described by FRITSCH (1912) from the yellow snow of the South Orkneys, Antarctica. KOL discovered the fo. groenlandica in the red snow of Greenland (1959). Only one specimen was found in the green cryoseston of Terra Adélie.