— 23 — 



kansas, Illinois, Kansas and Texas ; but it has not thus far been reported 

 from the coastal plain of any of the States in which it has been found. 



Platypedia, new genus. 

 Elongate, acutely tapering posteriorly, with a sub-carinate ridge on the tergum, 

 extending from near the base to beyond the middle ; wing-covers wlien at rest almost 

 vertical. Head bluntly triangular, hirsute, the vertex gently sloping, almost as long 

 as the pronotum, with the transverse sulcus deep and direct, not triangularly parted; 

 the anterior ocellus placed in a longitudinal groove, which latter is continued upon 

 the turmid front; Iront quite prominent, strongly convex ; exterior cheeks long and 

 narrow ; supra-antennal plates narrow, thick, bounded each side by a notch. Pro- 

 notum short, moderately hirsute, witli the dorsal surface feel^ly convex, not cor- 

 rugated, but with two oblique grooves each side, the lateral margins almost straight, 

 with the anterior angles feebly reflexed, and the posterior angles narrowly, but ap- 

 ruptly turned up ; epipleural flaps as long as the pronotum, broadly crescentiform, 

 but a little triangularly produced obliquely backwards and downwards. Anterior 

 temora short and stout, swollen in the middle, grooved on the outside near the tip. 

 Wing-covers wide, strongly bowed on the costal margin, the areoles large and mostly 

 wide, basal areola oblong, the radical areole occupying more than one-half the length 

 of the wing-cover, the second ulnar areole short, wide, almost triangular ; the apical 

 areoles narrow, and the third, fourth, and sixth of equal length, with their inner tip 

 triangular, while the inner end of the second, fifth, and seventh is truncated ; wings 

 narrow, not reaching as far as the tip of the discoidal areole of the hemelytra, with 

 the anal-flaps broadly rounded, and separated by a deep emargination from the other 

 member of the wing. Anal segment of both sexes narrow and compressed, acutely 

 tapering, with the ovipositor of the female almost enclosed therein. Sonorous valves 

 of the male rudimentary, inconspicuous. 



1. P. areolaki, Uhler, (Cicada). Proc. Acad. Phila., 1861, p. 285. 

 The roughness and granulation of the surface of pronotum, besides 



the broader proportions of the thorax, as well as the almost absence of 

 markings will serve to separate this species from the following. 



It has been captured in Utah, San Mateo, Cal., Nevada, and Wash- 

 ington Territory 



2. P. piitnami, Uhler, {Cicada'). Hayden, Bull. (jcoI. Surv. Territ. , 



1877, vol. II, p. 455> 3- 



This species is generally of a bright steel-blue color, dislinctlv marked 

 with brilliant orange. 



It has been taken at Ogden, Utah, in Clear Creek Canon, Col., and 

 in several parts of the mountainous region of Nevada. 



Callida purpurea, Say. , 



By Ottomar Dietz. 

 On an Entomological Expedition last Summer, in which Mr. G. 

 Beyer and others participated, I was fortunate enough to take the above 



