HONEY-MAKING ANTS. 
113 
a burden of fragments of flowers or aromatic leaves. 
These are all deposited in the centre of the quadrangle 
c. Along the other diagonal e there is a no less incessantly 
moving double line of yellow workers (I.), whose office it 
is to convey the supplies deposited by the black workers 
at c to £>, which is the gateway of the fortress. It is re- 
markable that no black ant is ever seen upon the line e , 
and no yellow one upon the line a ; each keeps his own 
separate station, and follows his own particular duty with 
a steadfastness and apparent adherence to discipline tha,t 
are most astonishing. The hole at d seems to be a venti- 
lating shaft ; it is never used as a gateway. 
Section of the nest reveals, besides galleries, a small 
chamber about three feet below the surface, across which 
is spread, like a spider’s web, a network of squares spun 
by the insects, the squares being about £ inch across, and 
