48 Rev. L. GuirnpriNo on the Generic Characters 
emarginato. Palpi labiales articulis tribus, ultimo cylindrico 
velfusiformi. Larva araneidiformis, predam puteolo vel fraude 
captans ; mandibulis &c..... tubulosis, perforatis ad succos hau- 
riendos ; os nullum ; abdomen lateribus pectinatis, vel fascicu- 
latis. Nympha dum nocte declaratur acetabulum elongatum 
emittens, &c. 
In the larvz of those genera of the family which dig pitfalls, 
we observe long and slender antennule, which are held erect, 
and are doubtless useful in indicating the approach of their 
prey by the falling of the sand: in the larve of Ascalaphi they 
are wanting or obscure. ; 
INSECTA NEUROPTERA. 
Fam. MYRMELEONIDEÆ. Guild. Myrmeleonides. Lat. 
Genus FonwMicarEo. Geoff, Leach. Myrmeleon Auctorum. 
‘Character Genericus. 
Antenne gradatim extrorsim crassiores, subarcuate, thoracis 
longitudine, articulis minutis transversis: acumine termi- 
nali minimo. _ x 
Palpi sex: labiales multó longiores: articulo ultimo incrassato, 
fusiformi. 
Oculi indivisi, prominuli. 
Abdomen longum, lineare. 
Corpus villosulum. 
Ale elongate, subequales (quiescentis) deflexee. Stigma indi- 
stinctum, vel evanidum. Newra post-costalis medio biradiata. 
Larva obesa, cave magno solido cordiformi: latera abdomi- 
nalia 
