HOW TO KNOW THE FRESH-WATER ALGAE 



Trachychloron 

 p. 141, fig. 235 

 Family Botryochloridaceae 

 Chlorellidiopsis 

 p. 143, fig. 240 

 Uncertain Position 

 Leuvenia 



p. 137, fig. 225 

 Family Centritractaceae 

 Bumilleriopsis 



p. 138, fig. 228 

 Centritractus 



p. 139, fig. 231 

 Pseudotetraedion 

 p. 137, fig. 226 

 Family Characiopsidaceae 

 Characiopsis 



p. 133, fig. 217 

 Peromelia 



p. 135, fig. 220 

 Family Gloeobotrydaceae 

 Chlorobotrys 



p. 136, fig. 222 

 Gloeobotrys 

 p. 143, fig. 239 

 Family Chlorotheciaceae 

 Chlorothecium 



p. 133, fig. 215 

 Ophiocytium 

 p. 134, fig. 219 

 Family Meringosphaera- 

 ceae 

 Meringosphaera 

 p. 140, fig. 233 

 Family Mischococcaceae 

 Mischococcus 

 p. 130, fig. 210 



3. Order Heterotrichales 



Family Heterotrichaceae 

 Bumilleria 



p. 132. fig. 213 

 Monocilia 



p. 131, fig. 211 

 Tribonema 



p. 131, fig. 212 



4. Order Heterochloridales 

 Family Chloramoebaceae 



Chlorochromonas 

 p. 135, fig. 221 



5. Order Rhizochloridales 



Family Stipitococcaceae 

 Stipitococcus 

 p. 134, fig. 218 



6. Order Heterosiphonales 



Family Botrydiaceae 

 Botrydium 



p. 132, fig. 214 

 Family Vaucheriaceae 

 Vaucheria 



p. 124, fig. 199 

 B. SUB-DIVISION CHRYSOPHY- 

 CEAE 



1. Order Chrysomonadales 



Family Mallomonadaceae 

 Chrysosphaerella 



p. 154, fig. 262 

 Mallomoncts 



p. 147, fig. 248 

 Family Syncryptaceae 

 Derepyxis 



p. 147, fig. 247 

 Family Synuraceae 

 Synura 



p. 154, fig. 263 

 Family Ochrpmonadaceae 

 Chlorochromonas 



p. 135, fig. 221 

 Cyclonexis 



p. 155, fig. 265 

 Dinobryon 



p. 145, fig. 243 

 Hyalobryon 



p. 146, fig. 244 

 Uroglenopsis 



p. 155, fig. 264 



2. Order Rhizochrysidales 



Family Rhizochrysidaceae 

 Chrysamoeba 



p. 148, fig. 250 

 Chrysidiastrum 



p. 156, fig. 266 

 Chrysostephanosphaera 



p. 157, fig. 269 



195 



