98 
Psyche 
[August-October 
Shining. Mandibles rather coarsely striate. Head and 
body sparsely, moderately, coarsely punctate, except on the im- 
pressed anterior portion of epinotum and on the meso- and meta- 
pleurse which are densely punctate and subopaque. 
Fine, elongate, erect yellowish hairs abundant on head, 
body and appendages, on the gaster mixed with shorter and sub- 
appressed hairs. 
Gaster dark brown to black, remainder bright brownish red. 
Type locality. — Ototonilco, Jalisco, Mexico. 
Cotypes. — Cat. No. 29045 U. S. N. M. 
Described from nine workers taken from a file running 
through the grass in an orange grove, and named in honor of 
Sehorita Graciella Mercedes Maderiaga, the child who found 
them. 
Eciton (Acamatus) peninsulare, new species. 
Worker major. Length 3.5 mm. 
Head about one fifth longer than broad, slightly broader in 
front than behind, with broadly and shallowly concave posterior 
border and rounded corners. Eyes not discernible. Mandibles 
with several rather stout, separated teeth basally and one larger 
one forming an angle between the base and the blades. An- 
tenna stout, scape broadened and somewhat compressed apically, 
extending about three eighths the distance to occipital corners; 
funicular joints 2 to 8 a little broader than long, 9 and 10 as long 
as broad, apical about as long as the two preceding joints to- 
gether. Thorax rather stout, compressed laterally, nearly flat 
above; epinotum more than half as long as pro- and mesothorax 
together, its base on the same plane as the mesonotum and 
separated from it by a narrow, though strong impression, de- 
clivity distinctly shorter than the base and broadly rounding 
into it. Petiole in profile only slightly longer than high, convex 
above, antero-ventral tooth moderate in size and blunt at tip; 
from above subquadrate, about as long as broad; postpetiole 
from above transversely oval and one third broader than the 
petiole; antero-ventral tooth stout and blunt at tip. Claws 
simple. 
