PLATE CXI. 
PAGE 
Figs. 1, 2. MEMnR.\NiPOR.\ parvula n. sp 410 
1. A portion of llie surface. Reed's, x 16 
2. Another portion of the same. X 16 
Figs. 3, 4. Mejibraxii'ora caminosa n. sp 409 
3. Portion of a well-preserved specimen having ovicells. Jones 
Wharf. X 16 
4. Portion of another specimen not so well preserved and having very 
tew ovicells. Same locality, x 16 
Figs. 5-7. Retepora doverensis n. sp 422 
5. Celluliferous surface of a small fragment. Dover Bridge. x32/5 
6. A few cells of same. x24 
7. Portion of the reverse side of another fragment from the same 
locality, x 32/5 
Figs. 8, 9. Membranipora germana n. sp 410 
8. A portion of the surface of a specimen in good condition, x 16 
9. Another portion of the same. x 16 
