March, I9IS-] DaVIS : NeW SpECIES OF Cicadas. 15 



edge nearly rounded, and the sulcus extending from the central ocilus 

 backward to the posterior margins quite deep. The median sulcus 

 on the front rather shallow and almost obliterated at its upper end; 

 transverse rugae as in synodica. Pronotum 3.5 by 8 mm., the sides 

 not parallel but converging toward the eyes as in synodica, the 

 humeral angles rounded, beyond a rather deep sinus extending about 

 one half of the distance toward the anterior angles which are promi- 

 nent and not so much bent downward as in synodica. Opercula 

 oblique, sides sinuated. Last ventral segment with the base a little 

 longer than the sides which converge to the truncated tip. Valve of 

 the male broader and proportionately shorter than in synodica. 

 Uncus viewed in profile not hooked but with a sinuation near the 

 tip not present in synodica; when viewed from above, produced into 

 two points with a considerable intervening notch, instead of being 

 truncated with a shallow sinuation as in synodica. Fore wings with 

 the basal areole narrowed to an obliquely rounded apex; both pairs 

 of wings suffused at the base with tetaceous; fore and hind flaps 

 ornamented with bright orange. Veins of the fore wings testaceous, 

 not fuscous beyond the middle as in synodica. The dorsum of this 

 species is black and yellow sparsely covered with golden hairs. Head 

 above with the elevations black except an extended spot of black on 

 each supra-'antennal plate ; depressions pale. Pronotum except the 

 anterior angles margined with pale particularly broad on the hind 

 margin; the elevations mostly black, the pale color extending irregu- 

 larly upward from the grooves on to the sides. Mesonotum black, 

 edged behind and to the fore wings with orange; X black at center, 

 edged with orange ; four pale spots in front of the X arranged in a 

 semicircle, and at the tip of each anterior line of the X there is a 

 conspicuous, light yellow, impressed puncture. From the base of 

 each fore wing there extends an oblong spot having a clouded central 

 area. Metanotum with posterior edge dull orange. Dorsum of the 

 abdomen with a basal obconical black area with the hind margin of 

 each segment yellow and on the sides two rows of spots more or 

 less incomplete. The last segment is all yellow with indications of 

 two basal spots. Supra-anal plate not as deeply notched at the end 

 as in synodica, black above edged with yellow below; uncus yellow. 

 Beneath, the valve, also the abdominal segments entirely yellow. 



