ERRATA 



Pago 96, line 36, for Mereschowsky read Mereschkowsky. 



142, to description of fig. 94 should be added 'from Oltmamis.' 



,, 165, line 18, for Schwarda read Schmarda. 



168, in description of fig. 97 / and J t for Pteromonas angulosa (Carter) Lemm. 



read Pteromonas Takedana G. S. West. 



,, 169, line 5, for Chlamydomonas giganteus read Chi. gigantea. 



,, 194, line 33, for Diplosiphon read Diplosphcera. 



., 206, line 25, for Ch. Nordstedtii read Ch. globosum. 



217, in description of fig. 143 /, for P. glandulifera read P. glanduliferum. 



219, line 14, for '3 to 6 nuclei' read ' 4 to 8 nuclei.' 



425, line 23, for E. majus read E. major. 





