PLATE XLI. 



MUCEDINES. 



FIG. 



1. Dactylium spbaerocephalum. 



2. Fusidium griseum. 



3. Cyliudrium septatum. 



4. Spoiotiiclmm sulfureuin. 



5. Zjgodesmus fuscus. 



6. Vir{:aria nigra. 



