A HE 
AMERICAN NATURALISI 
Vor. XXXV. March, rgor. No, 411. 
THE MALES OF SOME TEXAN ECITONS." 
WILLIAM MORTON WHEELER AND WILLIAM HENRY LONG. 
SiNcE the observations on Eciton published in the June 
number of the American Naturalist for 1900 were undertaken, 
the recognition of: the sexual forms of the Doryline ants has 
made some progress. European myrmecologists, notably Pro- 
fessor Forel and Professor Emery, have thrown considerable 
light on several of the species belonging both to the Old 
World (Dorylii) and American branches (Ecitonii) of the 
subfamily. i 
The doubts entertained in the senior author's former paper 
concerning the identity of André's Pseudodichthadia incerta 
have been dissipated. It now appears that this insect is really 
the female of Eciton cecum Latr. Ina note at the very end 
of his splendid work on the ants of Central America and 
Mexico? Forel quotes the following admission from a letter 
from M. André: “ Je tiens à vous dire que je suis depuis long- 
temps convaincu que ma Pseudodichthadia incerta, est. bien 
1 Contributions from the Zological Laboratory of the University of Texas, 
o. II 
2 Biol. Cent. Am. Hymenoptera Formicida, vol. iii (1 899-1900), P- 160. 
