48 
Psyche 
[March 
ing two-fifths their length beyond the posterior border of 
the head; all the funicular joints fully twice as long as 
broad. Thorax shaped as in A. frauenfeldi Mayr but the 
anterior portion of the mesometanotal constriction is 
broader, though decidedly longer and more slender than 
in aurea punctaMceps. Pronotum one and one-third times as 
long as broad, flattened or slightly concave above, with dis- 
tinctly protuberant humeri. Mesometanotum twice as long 
as broad, narrowed in the middle and bearing at its poster- 
ior fourth the dorsally projecting spiracles which are sep- 
arated by a space four times their diameter. Epinotum 
from above subrectangular, nearly as broad as the prono- 
tum and one-third broader than long, bearing on its anter- 
ior or basal half two large, thick, rapidly tapering, rather 
acute spines. Petiole long, with long posterior peduncle, 
the anteriorly placed scale inclined forward, convex an- 
teriorly and posteriorly and moderately thick, bearing 
above at each corner of feebly concave, transverse summit 
a small, slender, acute spine which is directed upward, out- 
ward and slightly backward. Gaster rather large, subellip- 
tical. Legs long and slender. 
Shining and very finely and superficially reticulate or 
shagreened; meso- and epinotum more opaque and more 
