
1891.] Among the Prehistoric Monuments of Brittany. 883 
being partly out, we could trace some of the lines into the sea, 
A few of the stones were lying prostrate on the beach, while others 
beyond were overgrown with sea-weed, and still beyond lay some 
under the waves. There are in all five lines, which extend in a 
southeasterly direction for 635 feet seaward. At a distance of 
about ninety yards from the head stones of the rows, the highest 
menhirs being about eleven feet, is situated the ruined cromlech 
which, according to Lukis, was two hundred feet in diameter. We 
did not attempt to measure it. The group has not yet been 
restored, and only about a dozen of the stones are still upright, 
M. Gaillard had brought his compass with him, and now dem- 
onstrated a curious fact to us. He had already called our atten- 
tion, while visiting the alignments of Kermario and of Ménec, to 
the occurrence between certain of the rows of a single menhir, 
standing by itself, and which has been overlooked, he said, by all ' 
other archeologists. In the alignments of Kerdescan this mys- 
terious odd stone is situated, we think, between the seventh or 
eighth space between the rows. It is about eleven feet high, and 
from nine to ten feet thick at its greatest diameter, which is not far 
from the top, the stone being smaller at its base. In the align- 
ments of Ménec the single menhir is in the third space from the 
northern side; namely, between the third and fourth rows of 
planted stones. In each group of alignments, at least in four of 
them, this odd menhir occurs, though varying in situation, de- 
pending apparently on the position of the rows, none of which 
are exactly in an east and west course, as their builders had no 
compass. They are all situated not many paces—perhaps fifty, 
more or less—from the cromlech. : 
Now our friend and guide took the greatest interest and satis- 
faction in placing his compass on one of the middle stones of the 
cromlech at St. Pierre, and demonstrating to us that the line of 
50° (it varies from 45° to 50° in different groups of alignments) 
intersects the single menhir. M. Gaillard has been here, {s well 
as at the other alignments, at sunrise on the morning of the longest 
day in the year, the 21st of June, has placed. his compass on this 
menhir, and at the moment the sun appeared above the horizon 
the odd or single unaligned menhir was seen to be in line with 

