408 NEUROPTERA 



CHAP. XVII 



in the Carboniferous strata of Commentry that justify us in 

 asserting that allies of Perlidae then existed. He considers these 

 Carboniferous Insects to have belonged to a separate family, 

 Protoperlides. The fragments are, however, so small that we 

 must await further information before forming a definite opinion 

 as to these Protoperlides. 



