764 
ANNUAL REPORT OF NEW-YORK 
SAY’S HETEROPTEROUS HEMIPTERA. 
15. P. aequalis, Cinereous, with black punctures; tergum black 
with large punctures towards the tip. 
Inhab. Indiana. 
Body dull cinereous, with numerous rather large, black punc¬ 
tures : head rather long, rounded at the tip : antennce with close 
set black points; second and third joints equal: thorax , lateral 
edge nearly rectilinear, slightly concave; scutel scarcely con¬ 
tracted before the tip, which is rounded; tergum black, the 
punctures small and sparse at base, and becoming large and 
numerous towards the tip ; lateral margin with cinereous spots: 
beneath with black punctures, sometimes assembled in groups ; 
feet with black points. - 
Length three-tenths of an inch. 
Smaller than either of the preceding, and the second and third 
joints of the antennas are equal. 
16. P .rugulosa, Green, with minute, transverse rugae; tergum 
black at base; antennas third joint short. 
Inhab. N. W. Territory. 
Body pale greenish, with minute rugae, particularly on the 
thorax; antennce third joint hardly more than half the length of 
the second: thorax much contracted before; lateral edge rather 
concave than rectilinear: tergum black at base, the three 
ultimate segments and the margin green : hemelytra punctured : 
beneath and feet with small green punctures. 
Length over one-fifth of an inch. 
The third joint of the antennae is very short and small, and 
the small rugae of the thorax distingiusli this species. 
17. P. undata, Scutel but little narrowed at tip ; lateral edge 
of the head undulated. 
Inhab. N. W. Territory. 
Body dull yellowish, with numerous black, deep punctures; 
head with the lateral edge undulated, the tip abruptly nar¬ 
rowed, with a narrow, deep fissure: antennce blackish rufous, 
second joint longer than the third: thorax with the lateral 
narrow margin and longitudinal line impunctured ; lateral edge 
rectilinear : scutel rather large, not being much narrowed at 
tip: tergum black, punctured, with a yellowish margin: beneath 
