HEMIPTEEA HETBEOPTEBA LTG^IIDJE. 391 



LlTHOCOHIS EVUL81 T 8. 



Tlie single specimen known is rather faintlv preserved upon the stone, 

 but otherwise is in excellent condition. The head and thorax are dusky, 

 the abdomen paler ; the antenna? and legs are also pale obscure. Head 

 rather densely and not very finely punctate. Thorax more coarsely and 

 more distantly punctate, as is also the scutellum. llemelvtra with similar 

 coarse puncta? arranged along- the veins; membrane cloud \. 



Length of body, 6.5"" u ; antenna?, 4""" ; hind femora, 2.2 mm ; tibia?, 

 3.2 mm ; tarsi, 1.5 mm ; breadth of thorax, 2.2'" m ; abdomen, 2., nim . 



Florissant. One specimen, No. 4890. 



7. COI'HOCORIS gen. nov. (xtotpd?, xdpi?). 



Head rounded, a little broader than long, a little broader than the 

 apex of the thorax but not nearly so broad as its middle; front roundlv 

 produced, almost angtilate ; antenna? only half as long as the body, the 

 basal joints just surpassing the front of the head, the remaining joints slen- 

 der, subequal, the last faintly incrassated. Thorax at least one-fourth 

 broader than long, divided into anterior and posterior lobes of equal length, 

 the posterior lobe with straight and nearly parallel sides, the anterior taper- 

 ing forward, the sides oblique and straight. Legs apparently much as in 

 the preceding genus, but perhaps slightly shorter. Abdomen well rounded, 

 hardly ampliated laterally. 



A single species occurs at Florissant. 



CoPHOCORIS TENEBRICOSUS. 



Whole body almost uniformly dark, the abdomen, antenna*, and legs 

 much lighter. Head minutely punctate. Thorax distantly and rather 

 coarsely punctate ; scutellum the same. Corium of hemelytra reaching a 

 little beyond the middle of the abdomen, infuscated, the veins finely punc- 

 tate ; membrane clear. 



Length of body, /i"" 11 ; antenna-, 2.4 mni ; breadth of thorax, l.(i mm : 

 abdomen, 2""". 



Florissant. One specimen, No. 9742. 



