Plate 128 

 Figs. 1-3. Hapalosiphon aureus West & West, x 900 

 Fig. 4. Hapalosiphon confervaceus Borzi, x 485 



Figs. 5, 6. Hapalosiphon flexuosus Borzi, x 485 

 Figs. 7, 8. Hapalosiphon hibernicus West & West, x 560 



[916] 



