82 Descriptions of new species of Hymenoptera, 
CHRYSIS. Linn. Latr. 
1. C. pacifica. Green; anal segment mutic; tarsi fus- 
cous. 
Jnhab. Indiana. 
Body green with a slight bluish tinge, with short hairs; 
antennae^ five or six terminal joints fuscous; ivings hya- 
line, a little brownish on the costal margin beyond the 
stigma; tergum more particularly tinged with bluish; 
anal segment rounded, subtruncatej_ unarmed; tarsi fus- 
cous, basal joint above green. 
Length about three-tenths of an inch. 
2. C. carinaia. Bluish; abdomen subtridentate. 
Inhab. Indiana. 
greenish-blue varied with purplish; front, from 
the antennae to the middle, with numerous whitish hairs; 
antennx fuscous, green at base; metathorax lateral tu- 
bercles acute; middle termination subacute; tergum, Sin- 
al segment carinate, the carina extending beyond the 
edge into an acute tooth; lateral angles acute; tarsi fus- 
cous. 
Length three-tenths of an inch. 
HEDYCRIUM. Latr. 
H. sinuosum. Reddish-coppery; wings fuliginous at 
tip. 
Inhab. Indiana. 
Body reddish-coppery, polished, punctured; front 
concave, greenish; antennse fuscous, green at base; me- 
tathorax acute at the posterior angles; wings beyond 
the middle fuliginous; tergum blue-purple; terminal 
segment hardly as long as the penultimate, with a sinus 
at tip; beneath green; tarsi fuscous. 
Length about one-fifth of an inch. 
