HEMIPTERA— HETEROPTERA— COREID.E, 417 



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

 scarcely so long as the width of the abdomen. 

 Three species ?re Ivnown. 



Table of the species of Piezocoris. 



No distinct dark spot near apex of coriiim ; eyes large. 



Apical luargiu of thorax more than half as long as the basal 1. P. perilus. 



Apical niarfjin of thorax less than half as long as the basal 2. F. compaclilis. 



A distinct dark spot near the apex of corium ; eyes small 3. P. peremptus. 



1. Piezocoris peritus. 

 PI. 25, Pig. 15. 



The wliole 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 fointly and roundly emarginate and nearly 

 two-thirds as long as the basal ; scutellum 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. Piezocoris compactilis. 



Whole body black. Head apparently smooth. First joint of antennae 

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

 of the antennas 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, T-S™""; breadth of thorax, 2.75°'"; lengthof antennse,4'"". 



Florissant. One specimen, No. 5731. 



3. Piezocoris! peremptus. 



PI. 20, Fig. 14. 



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

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

 VOL xiii 27 



