---- formation, [31].
---- measures, [31].
---- nature and geology of, [76].
---- of the Wealden, [73].
Coalbrook Dale, [140], [144], [210], [414], [522], [552], [555].
Cocconeis, [91].
Coccosteus oblongus, [613].
Cœlacanthi, [618].
Cœlodont lizards, [648].