801 
No. 145. | 
with but few veins and veinlets, the hind pair smaller than the 
anterior, &c., and is separated from both these families by the 
mealy coating of the perfect insects. Its arrangement in either is 
evidently incongruous. Dr. Burmeister has therefore elevated 
these insects to the rank of a distinct family, named Conioptery- 
gidje or Mealy wings, the single genus Coniopteryx , with its four 
European species, being all that is at present known pertaining to 
this family. 
On comparing our insect with those of Europe, although its 
generai resemblance is so close, we notice some important dis¬ 
crepancies in its details. The veins of its wings are more simple 
and less connected by anastamosing veinlets, there being but one 
of these veinlets in the disk of the wing, and three near the base, 
arranged in a continuous line, and leaving only the outer and 
inner veins insulated from their origin to their tips. Thus, w'hile 
the European insects have three closed discoidal cells, in our 
insect there is but one. The veins of the hind wings in the 
European species are forked and connected by veinlets, whilst in 
ours there are no veinlets, and only one of the veins is forked. 
Westwood states the wings to be wholly destitute of cilise or 
fringe-like hairs along the margin, whilst here a series of short, 
fine erect hairs are very distinct along the apical and inner edges. 
The eyes moreover are widely notched and kidney-shaped, instead 
of being round. These differences forbid our including our insect 
in the same genus with those of Europe. It will therefore form 
a second genus in this family, for which I propose the name 
JUeuronia (Greek dXeupov, farina or dust) having allusion to the 
mealy coating with which these insects are covered. And as Mr. 
Westwood (through whose kindness my cabinet has been enriched 
with specimens, particularly of some of the minute and interest¬ 
ing species which he has described) was the first to separate the 
insects of this group generically, this species may appropriately 
be dedicated to him. Whilst the more simple veins of its wings 
would approximate this family more closely than heretofore to 
the Psocidse their ciliated margins give it an additional resem¬ 
blance to the Hemerobiidse, and leave the question as to which 
(Assembly, No. 145. J 51 
