S. H. Scudder— Devonian Insects. 113 
of Palseozoic insects, where we find a very common type of 
wing structure, into which the neuration of Devonian insects 
only partially fits. For: 
6. 
neura, but these three Devonian insects apparently surpass 
them, as well as very nearly all other Carboniferous insects. 
Futhermore : 
id 
7. With the exception of the general statement under the 
age of the deposit. Yet we find in this Devonian locality not 
a single one of Paleoblattarise or anything resembling them ; 
r. H. B. Geinitz has kindly reéxamined Hphemerites Riickerti at my request, 
and states that the reticulation is in general tetragonal, but that at the extreme 
outer margin the cells appear in a few places to be ellipti ve- or six-si 
The Dictyoneure and their allies, as may be inferred, are considered as be- 
ae ae the Palxodictyoptera, although their ephemeridan affinities are not 
