PLATE II. 



Ceratotrochus (Phloeocyathus) hqspes. x 3. 



Ceratotrochus (Phloeocyathus) hospes. x 4. 



Lochmeeotrochus oculeus : iiatiiral size. 



Lochmseotrochus oculeus. x 4. 

 \oa. Trochocyathus caryophyllioides. x 2. 

 \\a. Trochocyathus pileus. x 3. 



Trochocyathus (Thecocyathus) rhombocolumna. - 4. 



Trochocyathus (Thecocyathus) virgatus. x 4. 

 \\a. Trochocyathus (Tropidocyathus) Lessoni. x 2V3. 

 i5«. Deltocyathus fragilis. x 2^/_,. 

 1 6a. Deltocyathus lens, x 6. 



