584 Megalithic Monuments of Brittany. 
the entrance be easily opened and entered upon the occasion of a 
second or subsequent interment. 
The covering of these tumuli consists of layers of broken granite 
alternated with layers of clay and mud from the seashore and 
vegetable earth from the neighboring surface, 
The tumulus of Gav’r Inis has a dolmen remarkable for the 
sculpturings. It is eight feet by seven, five feet eight inches 
high, with a corridor or alley fourteen feet long, four feet six 
inches wide ; five feet four inches high, while the tumulus crowning 
it is 180 feet in diameter and was thirty feet high. 
Tumiac at Arzon is 100 feet in diameter and sixty-five feet high ; 
Manerhoeck Lochmariqueris 300 feet in diameter and thirty feet 
p = Be g dle Sa. 7 
Eo. DE F TTi Tora 
aR 
TAR oH ee ASAI 
TTA Cae ce 
Monk jt ieh 
—Tumuliin Setani 
high; Mane Lud 300 fect} jong,150 wide and thirty feet high ; Mount 
Saint Michel 320 feet long, 120 feet wide and eighty high ; 
Kercado is about 100 feet in diameter and twenty feet high. 
MENHIRS, 
The dimensions of some of the menhirs is as follows : 
Penmarch, twenty-five feet high; Cadiou, twenty-eight; Mount 
