Dana on Fossil Insects from the Carboniferous, 35 
Wings, is 1 inch 10 lines; and the breadth, from the medial line 
of the abdomen to the left margin of the left wing, 5 lines. 
By request of the discoverer, I name the new genus here indi- 
cated, Miamia, after the Miami University, his ‘alma mater.” 
In view of the important results of his explorations, the species 
may be designated the Mfiamia Bronsont. 
Figure 2 represents, natural size, a mutilated anterior wing of 
another Neuropter. 
neuration approximates to 
that in the genus Hemero- 
bius, The dotted lineshows RI - 
the probab : Sa a es 
ay able length and ~S_-4 TY 
outh . Se. \ Se er 
ne of the wing—these SST 
Organs in the Planipenni- <i aie 
ing 3 to 4 times as ; 
long as their breadth. The areolets are obliterated towards the 
hervures and their irregularit appears to be owing to a want of 
directive force in the eaten, ot to a low grade of cephalization 
e animal 
