Calcareous. Containing lime.

Cambrian. Belonging to Wales. The “Cambrian system” in Geology, is a name suggested by Professor Sedgwick, to designate part of the Silurian series of North Wales.

Carapace. The upper shell of reptiles.

Carboniferous. Containing carbon.

Carnivorous. Flesh-eating. The “Carnivora” in Zoology consist of a group of animals eminently carnivorous.

Caudal. Connected with the tail.

Cephalopoda. A group of animals of which the Nautilus and Cuttlefish are examples, having the locomotive apparatus immediately over the head and stomach.

Cephalaspis (Buckler-head). A fish.

Cestracion. A fish, a genus of an extinct family of sharks.

Cetaceans. The whale tribe.