SELLARDS. | Cockroaches. 525: 
pear unnaturally narrow. The species differs from the fol- 
lowing in greater length in proportion to its width, and in a 
different distribution of its secondary veins. Length of teg- 
mina, 29 mm.; width, 10 mm. 
Formation and locality: Le Roy shales, Upper Coal Meas- 
ures, Lawrence, Kan. Type, No. 125, University of Kansas 
collection. 
Henoblattina rarinervis sp. nov. Pl. LXXI, fig. 2. 
Medium-sized cockroaches with thin, few-veined wings. 
Tegmina a little more than twice as long as broad; costal 
border but gently arched, inner border nearly straight. Sub- 
costa falling short of the middle of the wing, and with a few 
oblique branches. The radius extends to the apex, occupying 
with the subcostal area about two-fifths of the wing. The first 
branch is given off opposite the extremity of the anal area and 
is compound. One other branch, also twice forked, arises 
beyond the middle of the wing. The media branches first just 
before the middle, its divisions filling the apex. The cubitus. 
extends approximately three-fourths the length of the wing. 
The first branch is forked and there are one or two other 
simple branches. The anal area is well marked and has five 
simple veins. The University of Kansas collection contains a 
second specimen, No. 45a, which apparently agrees closely with 
the type. The radius has two branches, both of which are 
forked. The two divisions of the media soon branch again as 
in the type, and the cubitus is similar in extent. Length of 
tegmina, 25 mm.; width, 11144 mm. 
Formation and locality: Le Roy shales, Upper Coal Meas- 
ures, Lawrence, Kan. Type, No. 147, University of Kansas 
collection. 
-Puknoblattina gn. nov. 
Small cockroaches with elongate compact wings. The ra- 
‘dius and media united at the base. 
EOLA compacta sp. nov. Pl. LXXIII, figs. 5, 6; pl. LXXIV,, 
Gals 
Wings elongate, slightly arched, borders nearly parallel; 
wing of approximately equal width from base to rounded apex. 
The subcosta reaches to the middle of the wing, and is pro- 
vided with numerous simple branches. Radius and media 
fused throughout the basal one-fourth of the wing; radius 
