Cryptobranchus Scheuchzeri, [741].

Cryptogamia, [58].

Ctenacanthus, [581].

Ctenoid fish, [568], [623].

Cuckfield, [160], [755], [851].

Cucumites variabilis, [188].

Cummingston, near Elgin, [749].

Cunningham, Mr., researches of, [750], [751], [772].

Cupanoides lobatus, [189].

Cup-encrinite, [295].