Cashel (Tipperary), 90 feet high by 42 feet round. Sculptured doorway.
Castle Dermot (Kildare), imperfect, but with fine doorway.
Clareen (King’s Co.), see Sierg Kieran.
*Clondalkin (Dublin), complete, but renovated, specimen, nearly 80 feet high by 45 feet round; curious projecting base 13 feet high (p. 101).
Clones (Monaghan), imperfect.
*Clonmacnoise (King’s Co.), two fine, but renovated, specimens.
Cloyne (Cork), well preserved, but tampered with in rebuilding. Originally 92 feet high, which has been increased to 102 feet.
Cork (near St. Finbar’s), site only.
Derry (city), site only.
*Devenish (Fermanagh), the most perfect and highly finished of all, 79 feet high by 48 feet round (p. 38).