368 TERTIARY INSECTS OF NORTH AMERICA. 



Length of body, 5™"; breadth of thorax, 2"" ; length of second 

 antennal joint, 2°"". 



Florissant. Three specimens, Nos. 6968, 9730, 10592. 



5. PCECILOCAPSUS OSTENTUS. 

 PI. 24, Fig. 2. 



The head is short and rounded, but very little produced in front of the 

 eyes; first joint of antennae, slender but short, no longer than ihe head, 

 which it surpasses only a little ; second fully three times as long as the first, 

 slender and equal ; third two-thirds as long as second. Thorax fully twice 

 as broad at apex as at base, anteriorly emarginate, posteriorly scarcely con- 

 vex, the sides very oljlitjue and straight ; it is as long as the scutellum, deli- 

 cately punctate, and blackish. Scutellum of a similar color, its apical angle 

 rounded. Hemelytra obscure and indistinct, but apparently darker at apex 

 than at base. 



Length of body, 6.3""" ; breadth of thorax, 2.25"'"' ; length of second 

 antennal joint, 1.3"'"'. 



Florissant. One specimen. No. 13560. No. 7911 niay also belong 

 here, and if so the hemelytra are marked very much as in the preceding 

 species. 



CAPSUS Fabricius. 



This genus (in an extended sense) has been recognized in amber by 

 Berendt and Gravenhorst, but no fossil species have been described. The 

 species described below are placed here dubious!}', at least as regards the 

 sense in which the genus is now ordinarily restricted. Each has a very 

 very short thorax, similarly formed. 



Table of Ihe apenes of Cai)su8. 



Less than tive millimeters in length. First antenuiil joint scarcely broiider than the seeonil. 



1. C. obsolefactiis. 

 More than six millimeters iu length. First antennal joint half as broad again as the second. 



'2. C. laois. 



1. Capsus OBSOLEFACTUS. 



PI. 23, Fig. 13. 



Head small, considerably and triangularly produced in front of the 

 eyes, where it is angulate ; first joint of antennae slender, of about the 

 length of tlie head, the second fully twice as long as the first, slender, and 



