V 
LIST OF PLATES. 
Plato I. — Trachypora, 
Plate II. — Stenopora. 
Plate III. — „ 
Plate IV. — ■ „ and Michelinia. 
Plate V. — ,, 
Plate VI. — Trachypora and Stenopora. 
Plate VII. — Stenopora. 
Plate VIII. — Zaplirentis. 
Plate IX. — Amplexus, Zaphrentis, and Campophyllum. 
Plate X. — Zaphrentis, Cyathophylhcm, Avlophyllum., and Lophophyllum. 
Plate XI. — Cyathophyllum and Aulophyllmn. 
