FIG. 





PLATE LVII. 



1. Lepralia unicornis, p. 321. 



2. Lepralia coccinea, p. 322. 



3. Lepralia coccinea, j8, p. 322. 



4. Lepralia ciliata, p. 323. 



5. Lepralia ciliata, |3, p. 323. 



6. Lepralia spinifera, p. 324. 



7. Lepralia trispinosa, p. 324. 



8. Lepralia immersa, p. 325. 



9. Lepralia violacea, p. 325. 



1 0. Lepralia bispinosa, p. 326. 



11, 12. These figures represent states probably of Mernbrani- 



pora membranacea, p. 328. They were taken from dif- 

 ferent portions of the same specimen 



i 



