WHEELER: ANTS OF THE GENUS FORMICA. 439 
more abundant on the gula, short and appressed on the extensor sur- 
faces of the tibiae. Eyes hairy. 
Light yellowish red; mandibles, legs, and antennae darker, femora 
more brownish; gaster dark brown, with yellowish anal region. 
Small workers sometimes have the top of the head and thorax spotted 
with pale brown. 
FremMaLe. Length 8 mm. 
Head, excluding the mandibles, as broad as long, with very straight 
posterior and lateral borders, the latter strongly converging anteriorly; 
posterior corners of head rather sharp. Antennal scapes reaching 
about twice their greatest diameter beyond the posterior corners. 
Sculpture, pilosity, and color as in the worker. Petiole, thoracic 
dorsum, and base of gaster with a number of pale, erect hairs; pubes- 
cence on the head and thorax even longer and more conspicuous than 
in the worker. Gaster not shining. Mesonotum with three elongate 
fuscous spots; funiculus, except its»base, the metanotum, and pos- 
terior portion of scutellum, blackish. Wings opaque gray, with brown 
veins and stigma. 
Host (Temporary). Unknown. 
TyPr LocALITY.— California: Coastal mountains. 
California: San Gabriel Mountains near Claremont (C. F. Baker); 
Felton, Santa Cruz Mountains 300-500 ft.; Santa Cruz Beach, 
Giant Forest (J. C. Bradley); Loma Prieta, Santa Cruz Mountains 
3,800 ft. (V. L. Kellogg); King’s River Canyon (H. Heath); Corte 
Madera Creek (W. M. Mann); Pine Lake (J. D. Johnson). 
I have redescribed the worker of this form from cotype specimens 
given me by Mr. Pergande. Although, as Emery states, it is allied 
to integra, it is not a variety of obscuriventris, as he believed. He 
records it from California and Nebraska, but I have seen the form 
only from the coastal mountains of the former state and regard this 
as the type locality. It is replaced to the eastward in the Rocky 
Mountains by the two closely allied varieties described below, which 
differ from it mainly in pilosity. 
According to a statement (in litteris) of Prof. Harold Heath, F. 
integroides inhabits open woods and accumulates large quantities 
of vegetable detritus about the stumps and logs in which it nests. 
In these particulars its habits are very similar to those of the European 
truncicola and our eastern subsp. integra. 
