I 
504 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
282 (1898).— Walden, Bull. Geol. Nat. Hist. Surv. Ct., no. 16, p. 118 
(1911). 
Of medium size. Crown of head a little raised above level of 
pronotum, which is a little depressed at principal sulcus. Mid- 
carina distinct only on metazone, but often indicated on prozone, 
usually more noticeable than in M. m. atlanis. Mesosternum 
not protuberant. Prosternal spine cylindrical, with bluntly 
rounded, almost bulbous tip. Tegmina elongate, narrow, passing 
hind knees and body usually by two or three millimeters. Last 
abdominal segment of male enlarged, broad, upturned. Sub- 
genital plate short, rounded, its dorsal margin strongly ampliate 
at base. Cerci nearly straight, elon- 
gate, tapering on basal half, subequal 
apically, and about half as wide as base, 
the tip obliquely cut off ventrally. 
Furcula long, arising from broad bases, 
FiQ.90.-Red-ieggJd Locust. Me- ^t first divergent, then parallel and 
lanopius femur-rubrum,— the com- tapering, half as loug as the cerci. Ovi- 
mon " Grasshopper." Male. (After .. « » , .,, » 
Biatchiey.) positor 01 icmale With scoop 01 upper 
valves elongate, rounded, or sub-angu- 
late at base. Cerci of female one and one half times as long as 
wide, the sides of apex concave. 
Dark olivaceous or rusty brown above, oHve green to yellow 
beneath, the hind tibiae and under side of hind thighs bright 
cherry red. Lateral stripe usually distinct on head and prozone 
but sometimes much broken up. A median line of dusky spots 
is nearly always present on the tegmina but these are often 
extremely faint. Metepisternal pale stripe distinct. The hind 
femora show remnants of dusky cross bands on the dorsal part 
of the inner face, and sometimes faint indications are also 
visible externally. 
Measurements. 
Total Body Tegmina Hind femora Antenna 
(average 23-25) 
Male 18.7-27.5 16-23 13 -20 10.7-13.3 6.5-10 
Female 22 -30.7 18-28 15.5-23 11 -15 6.5-9 mm. 
Tegmina cf. Hind fem. 
Male equal — +5 
Female —1 — +5 
