APPENDIX. 
119 
truncate at the apex, and the spines are short, broad, and acute ; 
the abdomen is furnished with a few scattered erect hairs. 
This species is very much like M. tuberum , being of the same 
size, and resembling some specimens closely in its colour; the 
sculpture is however different. 
Hab. — Dorset. 
Myrmica domestica. 
Female (length If line). Pale fulvous, eyes and ocelli black ; a 
short elongate line on the prothorax, a similar one on each side ; the 
scutellum, a stain on the pectus, and sides of the breast brown ; a 
transverse dark brown fascia on the basal segment of the abdomen 
not quite reaching the apical margin, the remaining segments dark 
brown, their margins piceous. 
Male (length 1 line). Head black, thorax and abdomen nigro- 
piceous, the legs and antennae pale testaceous, the femora tinged with 
brown ; the wings hyaline, the nervures and stigma very pale tes- 
taceous ; the abdomen is heart-shaped, rather palest at the base : the 
metathorax and peduncle of the abdomen beneath without spines in 
both sexes. 
POMPILUS ACUMINATUS. 
Male (length 4 lines). Black ; head very delicately punctured, 
with a few larger scattered punctures ,* the face below the antennae 
covered with a thin silvery pile, the labrum concealed, the antennae 
about the length of the thorax, robust and of uniform thickness, 
except the apical joint which is acuminate : thorax, very delicately 
punctured, the metathorax much more strongly so, and having, par- 
ticularly at the sides, a silvery pubescence ; the sides of the thorax, 
and all the coxae are covered with a changeable silvery pile ; the 
wings are slightly clouded at their margins ; the second submarginal 
cell is large and oblong, the third becomes gradually about one- 
third narrower towards the marginal ; the legs nigro-piceous, the 
anterior pair simple, the intermediate and posterior pairs slightly 
ciliated : abdomen narrower than the thorax, smooth and shining, 
and thinly covered with a silvery pile, the extreme apex piceous. 
Hab.— Kirkpatrick Juxta, Moffat, Scotland. 
