ARCHITECTURE OF ANTS. 27 
selves in covering in the space left be- 
tween them by a vaulted ceiling. 
Qutting, then, their labours in the up- 
per part of the building, as if they 
judged all their partitions of sufficient 
elevation, they affixed to the interior and 
upper part of each wall, fragments of 
moistened earth, in an almost horizontal 
direction, and in such a way, as to form 
a ledge which, by extension, would be 
made to join that coming from the oppo- 
site wall. These ledges were about half 
a line in thickness; and the breadth 
of the galleries was, for the most part, 
about a quarter of an inch. Here several 
vertical partitions were seen to form the 
scaffolding of a lodge, which commu- 
nicated with several corridors, by aper- 
tures formed in the masonry; there, a 
regularly formed hall, the vaulted ceiling 
of which was sustained by numerous 
pillars; further off might be recognised 
the rudiments of one of those carrefours 
of which we have before spoken, and: in 
which several avenues terminate. ‘These 
c 2 
