724 BOSTON JOURNAL 



black; antenn8e, six basal joints dull yellowish, remaining joints 

 close set : second and third joints equal : mandibles piceous : 

 thorax with the anterior segment arcuated each side to the 

 wings ; two distant, dorsal, longitudinal impressed lines : wings 

 hyaline ; nervure not distant from the edge, branch, divaricating 

 from the edge, not dilated at its tip : metathorax with longitudi- 

 nal, elevated lines : abdomen elongated, with numerous, longitu- 

 nal, parallel, elevated lines, both on the tergum and venter : feet 

 honey-yellow. 



Length over three-twentieths of an inch. 



CERAPHRON Jur. Latr. 



1. C. ARMATUS. — Wings fuliginous in the middle; tergum 

 striate at base. 



Inhabits Indiana. 



Body black, with rather distant punctures : thorax with three 

 longitudinal lines before, approaching behind : wings fuliginous 

 in the middle ; nervure, carpal spot and branch robust, fuscous ; 

 the carpal spot or stigma rather [277] large and truncated: 

 scutel with two small spines at tip : metathorax with a small 

 spine or tubercle each side : tergum depressed, with numerous 

 close set engraved lines extending to the middle of the length : 

 feet piceous; thighs blackish. 



Length more than one-tenth of an inch. 



A very distinct species. 



2. C. STIGMATUS. — Lateral margin of the tergum extending 

 beyond the abdomen. 



Inhabits Indiana. 



Body black, minutely punctured : antennae, first joint equal to 

 the four following joints taken together : thorax, anterior seg- 

 ment with the three impressed lines distinct : wings hyaline ; 

 r^tigma large, semi-orbicular, brown ; nervure of the incomplete 

 radial cellule robust, brown, hardly longer than the stigma; ter- 

 yum polished, slightly lincated at base; the segments extending 

 «ach side beyond those of the venter : anterior and intermediate 

 tibiae and tarsi piceous. 



Length over one-twentieth of an inch. 



These two species belong to the second division of Jurine's 



CerapJiron. 



^ ("Vol. I. 



