1951] 
Straneo — American Pterostichini 
13 
Pachyabatis subcordata, n. sp. 
Color as in P. darlingtoni. Length 11.3 mm. ; width 3.9 
mm. Head as in darlingtoni. Prothorax same in shape 
but with sides briefly but distinctly subsinuate before base ; 
length of pro thorax 2.5, width 3.3, width of apex 2.5, width 
of base 2.5 mm. Elytra with shoulders more rounded ; basal 
margin very thick, straight, not incurved ; striae deeper and 
with indistinct vestigial punctation ; scutellar stria shorter. 
Male unknown. 
Holotype $ (Museum of Comparative Zoology, Type No. 
28,435) from northwestern Sierra Nevada de Santa Marta, 
Colombia, 12,000 ft., Feb. 11, 1929 (Darlington). The type 
is unique. 
Pachyabaris striolata, n. sp. 
Upper surface bronze, moderately shining; underside 
brown, with slight bronze reflections; antennae, palpi, and 
legs ferrugineous red. Length 7.7 mm. ; width 2.5 mm. Head 
as in P. darlingtoni. Prothorax rectangular (1.9 by 2.2 
mm.) ; sides slightly narrowed anteriorly, nearly parallel 
or very slightly narrowed towards base; anterior width 1.5, 
basal width 2 mm. ; basal angles square, with tips not roun- 
ded ; basal impressions narrow, rather deep ; spaces between 
them and lateral margins moderately convex; lateral mar- 
gins narrow, linear, each with the two usual pores ; base near- 
ly impunetate, not depressed between the impressions ; disc 
little convex, with the median line moderately deep, reach- 
ing base. Elytra elongate (4.1 by 2.5 mm.) ; shoulders 
square, each with a minute tooth ; basal margin straight, not 
thick; striae moderately impressed; interstices nearly flat, 
third with a puncture at basal % near third stria and two 
more punctures behind middle near second stria; apical 
sinuation moderate. Underside as in the other species ; met- 
episterna with a few indistinct punctures. Microsculpture 
of elytra not very distinct. Aedeagus as shown in Fig. 8. 
Holotype $ (Museum of Comparative Zoology, Type No. 
28,430), allotype $ (coll. Straneo), and one $ paratype 
