HEMIPTERA HETEROPTEBA OOREIDJB. 417 



ordinary structure. The legs rather short, slender, the hiud femora 

 scarcely so long as the width of the abdomen. 

 Three species ?re known. 



Table of the upti-iea of Piezocorit. 



No distinct dark spot near apex of corinm ; eyes largo. 



Apical margin of thorax more thau half as loug us the banal 1. /'. ptritu*. 



Apical margin f thorax IUHH than half a.s lonj; as the hasal ,'J. /'. compaclilii 



A distinct dark spot near the apex of coriuui ; eyes small y. I'. ;<treij>fu. 



1. I'lKZOCORIS PKRITUS. 

 I'l. LTi, FJ*,'. 15. 



Tlie whole body fusco-fuliginous, tinged more or less with blackish 

 fuscous. Head faintly granulate, excepting next the base, where it is more 

 distinct. Thorax very coarsely and very distantly granulate, the sides 

 nearly straight, the apical margin faintly and roundly emarginate and nearly 

 two-thirds as long as the basal ; scntellum like the thorax. Corium of heme- 

 lytra very coarsely punctate, especially next the base, reaching very near 

 the extremity of the abdomen, which the membrane considerably surpasses. 

 Legs short, the femora subequal, faintly punctate. 



Length of body, 7.5"""; breadth of thorax, 2.8""": length of antennae, 4"" 



Florissant. One specimen, No. 10956. 



2. PlEZOCOKIS COMPACTILIS. 



Whole body black. Head apparently smooth. First joint of antenna* 

 surpassing a little the front of the projecting snout ; second and third joints 

 of the antennae a little pallid. Thorax coarsely but not prominently and 

 rather distantly granulate, the apical margin broadly and roundly emargi- 

 nate, a little more than half as long as the basal, the sides rapidly tapering 

 with slight fullness. Abdomen rather slender and long. 



Length of body, 7.5"""; breadth of thorax, 2. Tf)" 11 ": length of antennas 4 mm . 



Florissant. One specimen, No. 5731. 







3. PlEZOCOKIS ? PKKEMPTUS. 



I'l. L'li, l-'i^r. 1 1. 



J5odv blackish fuscous, mottled with pallid, especially upon the abdo- 

 men. Head smooth excepting on its posterior border, where it is coarsely 

 VOL xui J7 



