PERFECT SOCIETIES OF INSECTS. 127 
egg laid in a worker’s cell. The common males are 
much larger, and will counterpoise two workers. 
I have before observed to you that there are two sorts 
nearly of the same shape, are smaller. The eyes are very large, meet- 
ing at the back part of the head. In the space between them are 
placed the antenne and stemmata, The former consist of fourteen 
joints, including the radicle, the fourth and fifth being very short and 
not easily distinguished. 
The trunk is large. The wings are longer than the body. Thedegs 
are short and slender. The posterior tibie are long, club-shaped, and 
covered with inconspicuous hairs. The posterior plante are furnish- 
ed underneath with thick-set scopule, which they use to brush their 
bodies. 
The claw-joints are fulvescent. 
The abdomen is cordate, very short, being scarcely so long as the 
head and trunk together, consisting of sevensegments, whicharefulyous 
at their apex. ‘The first segment is longer than any of the succeed- 
ing ones, and covered above with rather long hairs. The second and 
third dorsal segments are apparently naked; but under a triple lens, 
i a certain light, some adpressed hairs may be perceived ;—the re- 
maining ones are hairy, the three last being inflexed. The ventral 
segments are very narrow, hairy, and fulvous. 
iii, The dody of the Workers is oblong. 
The head triangular. The mandibles are prominent, so as to termi- 
nate the head in an angle, toothless and forcipate. ‘The tongue and 
maxille are long and incurved : the dabrum and antenne black. 
In the trunk the tegule are black. The wings extend only to the 
apex of the fourth segment of the abdomen. The degs are all black, 
with the digits only rather piceous. The posterior tidie are naked 
above, exteriorly longitudinally concave, and interiorly longitudi- 
nally convex ; furnished with lateral and recumbent hairs to form 
the corbicuda, and armed at the end with the pecten. The upper sur- 
face of the posterior plante resembles that of the tibie; underneath 
they are furnished with a scopula or brush of stiff hairs set in rows : 
at the base they are armed with stiff bristles, and exteriorly with an 
acute appendage or auricle. 
The abdomen is a little longer than the head and trunk together ; 
oblong, and rather heart-shaped—a transverse section of it is triangu- 
lar. It is covered with longish flavo-pallid hairs: the first segment 
is short with longer hairs; the base of the three intermediate seg- 
