64 
PRELIMINARY LIST 
finely rastrate, crossed by slender yellow lines, those of the case nearly straight, of the 
middle broken and irregular, of the posterior third waved; yellow lines of the corium very 
short, wavy or irregularly sigmoid, beginning at base in two widely separated series and 
continued towards tip in about five, partly broken series; marks of the membrane s lor , 
uneven, sigmoid or irregularly waved; the embolium (sic Fieber)is broad, whitish, marked 
at base with a streak, with an oblique stripe on the cross vein, a spot some distance before 
the tip and another at the tip, black. Beneath whitish yellow; tergum black, excepting 
the lateral border and tip, which are yellowish. 
Length to end of abdomen 7-8 mm. Width of pronotum 2.25-2.75 mm. Two specimens, 
females, were sent to me from Colorado. A closely related species occurs in Texas and 
California, but my series of them is too imperfect to afford accurate deductions. The 
male is a desideratum.” 
Fort Collins, June 25th at light (Baker). Spring Canon, 
April 21st (Gillette). 
Corisa inscripta Uhl. 
Southern Colorado (Uhler, 8). 
Corisa interrupta Say. 
Sloan’s Lake, west of Denver, August (Uhler, 5); same place in July 
(Packard—see Uhler, 5). 
Corisa striata L. 
Fort Collins, June 13th (Baker). 
Corisa sutilis Uhl. 
Mountains, July to September (Carpenter—see Uhler, 0), Sloan’s Lake, 
west of Denver, August 5th (Uhler, 5). Common in the mountains of Colo¬ 
rado (Uhler, 9). 
Corisa tumida Uhl. 
Sloan's Lake west of Denver, July 10th (Packard—see Uhler, 5). Sloan’s 
Lake, in August, and also in several pools of water on the low grounds of 
suburbs of Denver, August 5th and 8th (Uhler, 5). 
Colorado Springs, August (Tucker). 
Cicada dorsata Say. 
Colorado (Thomas—see (Uhler, 6). 
Cidada marginata Say. 
Canon City, August 31st (Gillette). 
Det. Baker. 
Cicada tibicen L. 
Mountains of Colorado (Uhler, 6). 
Proarna va.lvata Uhl. 
Canon City, July 3d (Riley). 
Tibicen synodica Say. 
Common in eastern Colorado (Thomas and B. PI. Smith see Uhler, 6}. 
Near Canon City, August llth (Uhler, 5). Southern Colorado, June to July 
