^ 



FRESH WATER ALG/E 



PLATE VIII. 



••••••ttMt* 



•••«•«••••§• 



••••••••§••« 



AFTER NATURE BV DR. M C WOOD 



StNCLAIH iL SON, PHILADELPHIA. 



Fig. 1. TOLYPOTHRIX DISTORTA. 

 " 2. SIROSIPHON PELLUCIDULUM 

 " 3. SIROSIPHON COMPACTUM. 



Fig. 4. SIROSIPHON NEGLECTUM. 

 " 5, SIROSIPHON GUTTULA. 

 " 6. SCVTONEMA N/CGELLII. 



Fig.',. GLOEOCAPSA SPARSA. 

 " 8. MERISMOPEDIA NOVA. 



