
62 NOTES ON MEXICAN ANTS. 
workers in this and the succeeding species have been pre- 
viously described. i 3 
Eciton Mexicana Roger. (Fig. 5, worker major, 50, 
front view of head showing the immense sickle-like mandi: — 
bles, and only the two basal joints of the antenne. F ig. 6, } 
worker minor; with a front view of the head, showing the ` 
mandibles of the usual size.) “Cordova, Orizaba, etc.” 
Eciton brunnea. “Occurs at Cordova, Orizaba, ete.” i 
Eciton Sumichrasti. (Fig.7.) “Cordova, Orizaba, ete. All — 
the researches that I have made up to this time to discover the _ 
JSormicarium of the Eciton, have been fruitless, and I cannot — 
obtain any information from the natives where these insects _ 
are common. At one time only (May, 1865) I found under & 
fallen trunk a prodigious number of workers of Æ. Mexicana. 
They were heaped and piled upon each other like the bees _ 
in a swarm. Attacking them with the end of a stick, I 
obliged them to disperse, but could find no entrance which | 
they concealed, no eggs, no males nor females. 
“Especially before a storm, or after a stormy rain, one 
meets travelling bands of Heiton. Their march is generally | 
conducted in excellent order, and with a file of one or two 
individuals in front. Sometimes, however, the column en- 
larges itself, scatters and attacks with fury the passer-by, 
who, by ill-luck, has disturbed the procession. The Æ. 
Mexicana especially seems naturally very irascible, and the 
entomologist who wishes to enrich his collection with speci- 
mens of this species, must take his time and protect his legs 
from an attack. - 










E. Mexicana. It is difficult to satisfy oneself as to the 
which they fill in the community. I have watched 
attention the passage of columns of Eciton, but coul 
nothing to indicate any peculiar attributes to these in 
uals. 
“The Eciton does no harm to agriculture by depriving 
