WHEELER: ANTS OF THE GENUS FORMICA. 401 
3. Gaster distinctly infuscated, darker than the head and thorax. .4 
Gaster scarcely darker than the head and thorax, its pubescence 
longer and denser. . pallidefulva schaufussi var. dolosa Wheeler. 
4. Hairs on gula and petiole numerous and conspicuous. 
pallidefulva schaufusst Mayr. 
Hairs on gula and petiole few, often lacking on one or the other; 
head, thorax, and gaster darker. 
pallidefulva schaufusst var. incerta Emery. 
5. Gaster yellow like the head and thorax or but very slightly 
MPAA Se CCELS, 2 peice stir, Worn ee au amr det lca 94 «44 cua ite teases a Oa eae 6 
Gaster dark brown or blackish, head and thorax light or dark 
DONS OP TCGGIS nash Vl vwhicd ioiie 6078) Apies.ciubaannemns »[ bet ri 
Ba ody pale Vellowas: oth) Ois aay ie ty2oT- pallidefulva Latreille. 
Body reddish yellow, pubescence on gaster shorter, whole body 
SMGOLMSE A. 2s OMI. BE pallidefulva var. succinea Wheeler. 
7. Head and thorax brown or reddish, gaster shining. 
pallidefulva nitidiventris Emery. 
Head and thorax darker, body often less shining. 
pallidefulva nitidiventris var. fuscata Emery. 
SuspGENUS FORMICA (Linné) Ruzsky. 
Sanguinea Group. 
1. FORMICA SANGUINEA SANGUINEA Latreille. 
Formica sanguinea Latreille, Essai hist. fourmis France, 1798, p. 37, 8; 
Hist. nat. fourmis, 1802, p. 150, pl. 5, fig. 29, 8; Lepeletier, Hist. nat. 
insect. Hymén., 1836, 1, p. 208, 8 9 o; Forster, Hymen. stud., 1850, 
1, p. 20; Mayr, Verh. Zool. bot. ver. Wien, 1855, 5, p. 336; Nylander, 
Ann. sci. nat. Zool., 1856, ser. 4, 5, p. 62; F. Smith, List Brit. anim. 
Brit. mus., 1858, pt. 6, p. 115; Mayr, Europ. Formicid., 1861, p. 46-48; 
Forel, Denks. Schweiz. gesell. naturw., 1874, 26, passim; Lubbock, 
yourn., Linn. soc. Zool. 1877, 13, p. 217, pl. 17, fig. 2; - Erm. André, 
Spec. Hymén. Europe, 1882, 2, pt. 14, p. 180, p. 185, 188, pl. 9, fig. 18; 
Dalla Torre, Catalog. Hymen., 1893, 7, p. 211; Bingham, Fauna Brit. 
Ind., 1903, 2, p. 336; Ruzsky, Formicar. Imper. Ross., 1905, p. 411, 
figs. 76-79; Emery, Deutsch. ent. zeitschr., 1909, p. 182. 
Formica dominula Nylander, Acta Soc. Fennica, 1846, 2, p.905, 8 @ <, pl. 18, 
fig. 15, p. 1047; Ibid., 1849, 3, p. 26. 
