1944 ] Genus Pseudomyrma 89 
Pseudomyrma sabanica var. saflfordi var. nov. 
Worker. 
Length 3.4-4 mm. Head slightly longer than broad, with 
convex sides and excavated posterior edge. The mandibles are 
microscopically punctate and shiny; clypeal lobe as in P. belti. 
The eyes are flatter than in the latter and the head is much 
denser punctate. The prothorax is sharply marginate on the 
sides. The mesonotal disc is longer than broad, with a straight 
posterior border. The epinotum is length-oval, broadest at the 
level of the stigmata. The petiole from above is fully twice as 
long as broad, and somewhat triangular, with a rather long and 
broad peduncle. The thorax is evenly convex in profile, but 
with a saddle shaped impression between meso- and epinotum. 
The petiole is shaped as in belti bequoerti in profile, but longer. 
Erect hairs very sparse on the body, but the pubescence is 
more abundant, very fine, white and adpressed. The whole body, 
except the head lucid. Color brown and uniform, not bicolored. 
Type locality: Yerba Santa, Chiapas (N. C. Collins). 
The new subspecies is close to P. sabanica from which it dif- 
fers by its lighter brown color and other points. 
Cotype 20437, Harvard Collection, 20 specimens. 
Pseudomyrma santschii sp. nov. 
Worker. 
Head almost as broad as long, narrowed behind, with slightly 
convex sides, almost completely taken up by the very large 
eyes; slightly excised behind. Mandibles with two large apical 
and several smaller teeth, all black; heavily striated. Clypeal 
lobe rectangular with straight anterior border. Head above with 
very fine punctation and fine pubescence, opaque; yellow with 
a dark brown spot around the ocelli. Thorax sharply marginate, 
deeply impressed between meso- and epinotum. With very fine 
long hairs and abundant and very fine pubescence. Pedicel from 
above similar to that of P. gracilis. Postpetiole and gaster 
slender with abundant pubescence. Thorax and legs brown 
except for yellow patches especially on the sutures and articula- 
tions of the legs ; pedicel and gaster yellow. The dorsal part of 
the gaster is covered with many small sharply circumscribed 
brown spots, having the appearance of freckles. This is a very 
characteristic feature and distinguishes this ant from all other 
known Pseudomyrma. Size 8-9 mm. 
