498 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
dorsal margin thickened, ampliate at base, flaring, convex or 
truncate behind; below the dorsal margin, the sides are shallowly 
excavate, passing straight backward to a bluntly rounded sub- 
marginal apex. 
Olive brown or green above, greenish yellow beneath; femora 
green; hind tibiae bluish green. Antennae dusky, narrowly 
Fig. 88. — Swamp Locust, Paroxya clavuliger. Male. (After Blatchley.) 
Fig. 89. — Same. Female. (After Blatchley.) 
ringed with pale. Lateral stripe broad, even, black, continuous 
from eye to base of abdomen below tegmina, sometimes less 
heavy on metazone of female; below this the whole side of face 
and body faintly greenish white. Hind knees black. 
Measurements. 
Body Tegmina Hind femora Antenna 
Male 20-25 13 -16 12 -13.5 13 -15 
Female 26-36 14.5-20 15.3-18.7 8.5-11 mm. 
The hind femora usually pass the tegmina by one or two milli- 
meters in the male and two or three in the female. 
A few melanic examples have been taken of a peculiar, nearly 
uniform oily greenish black. These were secured at Faneuil 
