Ceratodus emarginatus, [587], [598].
Cerigo, [808].
Cerithium lapidum, [418], [425].
Cestracion canaliculatus, [580], [584].
Cetacea, [777].
Cetiosaurus, [682].
Chæropotamus, [791].
Chalk and flint, microscopical examination of, [371].
Chalk animalculites, [353].