The Ants of the Baltic Amber. 
131 
has no differentiated base and declivity. Mesonotum from above 
nearly as broad as long. Petiolar scale as high as the epinotnm, com- 
pressed anteroposteriorly, convex in front, flattened behind, with sharp, 
entire, broadly rounded snperior border. Gaster rather large, ellip- 
tical. Legs stont. 
Fig. 62. Formica sircingulcita sp. nov. Worker. From the type in the Econ. Soc. Coli. 
Snrface apparently shining, finely shagreened and sparsely punctate. 
Hairs erect, coarse, moderately long and abundant, espeeially on 
the gaster and thorax, sparser on the head and confined to the 
vertex, front and clypens. Legs and antennal scapes without erect 
hairs; flexor snrfaces of middle and hind tibise with rows of slanting 
bristles. 
Color black. 
Described from two specimens (without numbers) in the Geolog. 
Inst. Koenigsberg Coli. Both are much decomposed and partially 
covered with white films, but the form of the thorax is clearly seen 
to be very characteristic and unlike that of any other living or extinct 
species of Formica, owing to the peculiar mesoepinotal Strangulation, 
which is not unlike that of the worker Frenolepis henschei Mayr. 
Glaphyromyrmex, gen. nov. 
Worker. Allied to Formica. Body short and thickset. Head 
broadly elliptical, without posterior Corners. Eyes very large, elliptical, 
flattened, nearly 1 / 3 as long as the head and situated a little behind 
9* 
