HARDWICKE'S SCIENCE-GOSSIP. 



273 



w9k fi\ 



Bra 



mi iff 



PI ifew 



*V 



®. 



Fig. 204. — Horizontal section across block 

 containing Litho strotion junceum. Carboni- 

 ferous limestone. 



Fig. 201. — JSIillepora alcicornis. A recent Hydrozoan " Coral," 

 Bermudas. 



Fig. 205. — Vertical section of Lithostrotioti 

 junceum. 





Fig. 2 



02. — Section of " Chain-Coral " [Halysiies catcnidatus), 

 showing tubes. Upper Silurian formation. 





Fig. 206. — Amplexus coral- 

 loidcs. Carboniferous lime- 

 stone. 



Fig. 207. — Horizontal section of Lithos- 

 trotion Phillipsii. Carboniferous lime- 

 stone. 



Fig. 208. — Vertical section of Ample. x us 

 coralloides, showing the tabulae. 



Fig. 2og. — Horizontal section of 

 Ampler us coralloides, showing 

 feebly developed septa. 



Fig. 203. — "Chain-Coral" (Halysiies caicnulatus). 



Fig. 210. — Cyatliaxiuia. Carboniferous 

 limestone. A, Horizontal section. 



