APPENDIX. 
Formica rufa. 
Formica rufa, Linn. Faun. Suec. 1721. Syst. Nat. i. 963, 4. Ny - 
land , Adno. Mon. Form. Boreal , 902, 5. Foerster, Hym. Stud . 
Form. 13, 3. 
Formica polvctena, Foerster, Hym. Stud. Form. 15, 4, Var. ? 
Formica congerens, Foerster , Hym. Stud. Form. 17, 5, $ , 9- 
Formica sanguinea. 
Formica sanguinea. Latr. Hist. Nat. Fourm. 150. Foerster , Hym . 
Form. 20, 6. 
Formica dominula, Nyland. Adno. Mon. Form. Boreal. Euroy. 
905, 6. 
Female (length 4|- — 4| lines). Head, thorax, legs and scale of 
the abdomen bright fulvous red ; the head above the antennae, of a 
reddish brown ; the wings smoky at their base, extending to the 
stigma : abdomen ashy-black ; superior margin of the scale entire. 
Worker (length 3 — 4 lines). Bright ferruginous, the head has 
the vertex, but rarely, slightly stained of a darker colour : abdomen 
of an ashy-black, tinged with ferruginous at the base ; the scale 
slightly notched above. 
