SLAVE-MAKING ANTS. 39 



extends from one nest to the other, about an 

 equal number moving in each direction 

 the empty-handed coming toward the in- 

 vaded nest, and those laden with plunder 

 going to their own dominions. As soon as 

 they deposit their spoils they resume the 

 line of march. All day long this line is un- 

 broken, at dusk it is considerably thinner, 

 and by ten o'clock in the evening all have 

 disappeared. 



During the entire day I saw no black ants 

 around the nest, but every little while a ma- 

 rauder would emerge with an adult black, 

 which it carried to the nest ; and they capt- 

 ured a large n umber of young ants that 

 were still soft, and of a grayish color not 

 yet turned black. When I disturbed a cap- 

 tor with one of these, it dropped it, and the 

 young ant would try to hide under some- 

 thing, and remain quiet until picked up by 

 another warrior, when it would crouch and 

 roll itself up in a ball, so that it could be 

 carried just as easily as a larva or pupa. It 

 reminded me of a cat carrying a kitten ; the 

 young ant behaved very much like a kitten 

 when carried. 



On the morning of the 25th a few of the 

 marauders are around the invaded nest, go- 

 ing in and out of the various openings, as if 



