PLATE XLI. 



FIG. 



1. SCHIZOTHECA FISSA, p. 284. 



2. , chain of avicularian cells, with an ordinary 



zooecium interposed. 



3. , marginal cell and avicularia. 



4. SCHIZOTHECA DIVISA, p. 285. 



5. ; with the peristome much elevated. 



6. - , a single cell, highly magnified. 



7. SCHIZOPORELLA ARMATA, p. 258. 



8. , cell with ocecium. 



