156 ORDER HOMOPTERA. 



Gems THELIA (Amy k Skrt.). ( Plate iii.) 



Dorsal protuberance horn-like, advancing in front, rising high obliquely upwards and 

 forwards. 



Thelia bimacu lata ( Fab.). ( Plate iii, figs. 31, 32.) 



Color dark fuscous along the back and sides : inferior part of the sides marked with an 

 elongate patch of yellowish (male). 



Thelia lvtipes. (Plate iii, fig. 18.) 



Crest advanced beyond the front : posterior margin forms a straight line with the back. 



Thelia bisotata. ( Plate iii, fig. 17.) 



Crest arched anteriorly, narrow, concave behind. Color light brown : back lighter, and 

 marked by two brownish spots. 



Garcara cixereum. ( Plate xiii, fig. 3.) 



Color brown, punctured : towards the front it is traversed by a pretty broad belt of 



lighter, in form and shape like an arrowhead, with its point towards the head, and 



resting upon the median ridge ; posteriorly it is traversed by a narrow belt, which 



runs directly across the back. Length two-tenths of an inch. 



Gargara maculifrontis. ( Plate xiii, fig. 1.) 



Color light brown and lightly mottled : front marked by an oblong dark brown spot, 

 situated nearly between the eyes ; posteriorly it is traversed by two faint or lighter 

 bands directly across the back. 



Gargara majcs. ( Plate xiii, fig. 6.) 



Color blackish, punctured. Apex of the wing-covers black or blackish brown, extending 

 farther upon the sides than upon the ridge, nearly meeting another transverse broad 

 band of the same color, and leaving an oval or roundish lighter space between them : 

 the dark anterior band does not cross the sharp ridge of the back, but leaves a con- 

 tinuation of the same color as the anterior and middle parts. Thighs dark brown. 

 Length one-fourth of an inch, and sometimes rather exceeding that measure. 

 This species has the regular rounded outline somewhat broken by the sudden falling off 

 of the ridge posteriorly. 



Gargara qcerci. ( Plate xiii, fig. 8.) 



Color brown, and dark brown upon the middle of the sides : middle of the back marked 

 by a long oval yellow patch. Near the apex of the hemelytra there is a small roundish 

 patch of yellow : legs yellow Length two lines. 



