A JUNGLE LABOR-UNION 157 



about him is furnished by this same head: two 

 huge, fiail-shaped attenna^ arching up hke aerial, 

 detached eyebrows — vehicles, through their 

 golden pile, of senses which foil our most delicate 

 tests. Outside of these are two little shoe-button 

 eyes ; and we are not certain whether they reflect 

 to the head ganglion two or three hundred bits 

 of leaf, or one large mosaic leaf. Below all is 

 sw^ung the pair of great scythes, so edged and 

 hung that they can function as jaws, rij^-saws, 

 scissors, forceps, and clamps. The thorax, like 

 the head of a titanothere, bears three pairs of 

 horns — a great irregular expanse of tumbled, 

 rock-like skin and thorn, a foundation for three 

 pairs of long legs, and sheltering somewhere in 

 its heart a thread of ant-life; finally, two little 

 pedicels lead to a rounded abdomen, smaller than 

 the head. This Third-of-an-inch is a worker 

 Atta to the physical eye ; and if we catch another, 

 or ten, or ten million, we find that some are small, 

 others much larger, but that all are cast in the 

 same mold, all indistinguishable except, perhaps, 

 to the shoe-button eyes. 



When a worker has traveled along the Atta 

 trails, and has followed the temporary mob-in- 

 stinct and climbed bush or tree, the same irresist- 



