374 M- Mob ins: Algen (excl. Baoillariaceen). |83 



388. Xanthidium Coogeeanum Playfair, 1907. 1. c. 32, p. 179, T. IV, (i— 7. New 



South Wales. 



389. X decemdenticulatum Playfair, 1907. I. c. 32, p. 181, T. III, 12. New 



South Wales. 



390. X hexagonum Playfair, 1907. 1. c. 32, p. 180, T. IV, 11. New South 



Wales. 



391. X pulcherrimum Playfair, 1907. 1. c. 32, p. 180, T. IV. 10. New South 



Wales. 



392. XanthosipJicnia austrogeorgica Sved. 1907. Wiss. Ergeh, schwed. Südpolar- 



Exped. IV, 6, p. 28, Fig. 23—27. Süd-Georgien. 



