in the British Museum. it 
B.M., I. 9292 (B.). The peculiar disc. 2 is exactly that 
of modern Polyclistus ; the thorax and abdomen also agree. 
The species differs from P. mansuetor, Grav., by the curved 
first r. n. 
Polyclistus (?) anglicus, sp. n. 
Acourtia (gen. nov.) perplexa, sp.n. (Fig. 11.) 
Wing 5 mm. long, hyaline, with dark stigma and veins. 
M. elongate, angled at t.-c., both sections of r. straight ; 
b.n. straight; t.-m. very oblique. 
Fig. 11. 
Acourtia (gen. nov.) perplexa, sp. n, 
H. 858. Macrogaster differs from this by the much longer 
first section of radial nervure and t.-m. a little basad of b. n. ; 
Collyria differs by the smaller apical angle of disc. 3, stump 
of vein on first r.n., and disc. 2 quite different. Acenitus 
runs to the same place in table of fossils, but is different, 
and the same may be said of Epirhyssa, 
