PLATE VIII. 



FIG. 1. Entalophora cellarioides, Lamx. Bathonian Calcaire 

 k polypiers : Ranville. x 17 dia. Tesson Coll. [D. 2257.] 



FIG. 2. Entalophora nidulata (Waif.). Great Oolite : Richmond 

 boring. Presented by Prof. J. W. Judd, C.B., F.R.S. 

 Young zoarium, x 26 dia. [D. 1931.] 



FIG. 3. Entalophora magnipora (Waif.). Great Oolite : near Bath. 

 Presented by J. W. Gregory, x 17 dia. [D. 2098.] 



FIG. 4. Spiropora elegans, Lamx. Great Oolite: Bath. Branch, 

 x 17 dia. [60173.] 



FIG. 5. Spiropora annulosa, Mich. Inferior Oolite : Bredon. Part 

 of branch, X 26 dia. Holl Coll. [B. 4864.] 



FIG. 6. Spiropora ccespitosa, Lamx. Forest Marble : Wiltshire. 

 Branch, x 17 dia. Cunnington Coll. [24770.] 



