PLATE XLVI. 



FIG. 



1. PoKELLA CONCINNA, p. 323. 



2. , var. a (Belli), from a British speci- 

 men. 



3. , with ooecia, showing the central pore 



and the rih-like processes. 



5. ■, with spatulate avicularia. 



6. , var. a, from a Canadian specimen. 



7. , with a porous surface. 



8. , old state. 



9. -, var. (i (gracilis). 



10. , with spatulate and normal avicularia. 



11-13. , vars. 



