Glossary C
Chinese river crab - (Eriocheir sinensis) refers to a square shaped carapace, a little longer than wide, markedly convex and uneven, bearing four sharply edged epigastric lobes. Propodus of the fifth pereiopod rather narrow and slender with dactylus claw-shaped.
Coloring agent pertains to colored aggregates
Colored aggregates or mineral oxides ground finer than cement.