HYMENOPTERA. 121 
Formica, 
Or Ants properly so called, in which the sting is wanting, and the 
antennz are inserted near the front; their mandibles are triangular, 
dentated and incisive. The pedicle of the abdomen never consists 
of more than one scale or knot. 
F. bispinosa, Lat., Hist. Nat. des Fourm., p. 133, iv, 20. 
Black; two spines before the thorax; scale of the abdomen ter- 
minated in along and sharp point. It forms its nest with a 
large quantity of down, apparently derived from a species of 
Gossampinus.—Inhabits Cayenne. 
F. rufa, L.3 Lat., Ibid., v, 28. The neuter about four lines 
in length, blackish; thorax, scale, and great part of the head, 
fulvous; thorax unequal; the ocelli somewhat apparent. It 
forms conical or dome-like and frequently large hills in the 
woods, composed of earth, ligneous fragments, &c. It pro- 
duces formic acid. The winged individuals appear in the 
spring. 
F. sanguinea, Lat., Ibid., v, 29. The male similar to the pre- 
ceding ones, but of a blood-red colour; abdomen cinereous- 
black. It inhabits the woods, and is one of those denominated 
Amazons or Legionnaires by M. Huber. 
F. cunicularia, Lat. Head and abdomen of the male black; 
Vicinity of the mouth, under part of the head, thorax, legs and 
first joint of the antennz, pale fulvous. This and the following 
species are those captured by the Amazons, and transported to 
their hills, in order to aid and replace them in the rearing of 
their young. 
FE. fusca, L.3 F. noir cendrée, Lat., Ibid., vi, 32. The male 
cinereous-black and glossy; base of the antennz and legs reddish; 
the scale large and almost triangular; three apparent ocelli. 
Potyercus, Lat. . 
Where the sting is still wanting, but where the antennz are in- 
serted near the mouth, and the mandibles are narrow, and arcuated 
or strongly hooked. 
F. roussatre, Lat., Ibid., vii, 38, is the species more particu- 
larly called Amazon by M. Huber. See his Recherches sur les 
Fourmis, &c., p. 210—260, pl. ii, F. roussdtre. In all France. 
Ponera, Lat. 
‘he males and females armed with a sting; pedicle of the abdomen 
Voit. I1V.—Q 
