86 Journal New York Entomological Society. [VoL xvii. 



peus carinate, with broadly rounded, entire anterior border, not projecting in the 

 middle. Frontal area subsemicircular, broader than long. Antennal scapes straight 

 at the base, slightly enlarging distally ; funicular joints 1-4 somewhat more slender 

 than the remaining joints. Thorax as usual in the rufa group of Formica, epinotura 

 angular in profile, with subequal base and declivity, the former horizontal and slightly 

 convex, the latter sloping and slightly concave. Petiole as high as the epinotum, in 

 profile attenuated above, with rather sharp border ; seen from behind broadly rounded 

 or sometimes produced upward in the middle in the form of a blunt point ; anterior sur- 

 face convex, posterior surface flat. Gaster rather large, legs of the usual configuration. 

 Subopaque, slightly glossy; corners of head somewhat shining; whole body 

 finely and densely shagreened ; frontal area, bases of mandibles and corners of cly- 

 peus glabrous ; mandibles finely and densely striated. 



Hairs yellow, short and suberect, sparse on the head, thorax and petiole, more 

 abundant and obtuse on the gaster, absent on the antennal scapes, present in a single 

 row on the flexor surfaces of the femora and tibiae, scattered on the fore coxw, long 

 on the venter and tip of gaster. Pubescence long, grayish, sparse on the head, thorax 

 and petiole, dense on the gaster, where it completely conceals the surface ; somewhat 

 conspicuous on the legs. Eyes hairless. 



Red ; gaster blackish-brown except a large spot at the base and the anal region, 

 which are reddish or yellowish. Mandibles, corners of clypeus, antennse and legs 

 reddish-brown; bases of scapes often paler ; pro- and mesonotum each with a fuscous 

 spot, pale in the largest, somewhat larger and darker in the smallest workers ; apical 

 half of petiolar node more or less infuscated. Small workers also with brown or black 

 spots on the clypeus, front, occiput and epinotum and with the coxec more or less 

 infuscated. Mandibular teeth black. 

 Female. — Length 7.5-8 mm. 



Resembling the female ciliata in form. Whole body much more shining than 

 that of the worker as the shagreening of its surface is much more delicate ; scutellum 

 and metanotum glabrous. Pubescence like that of the worker, but longer ; pilosity 

 grayish, resembling that of the female ciliata but less dense, and the very long hairs 

 on the gaster are slender, less appressed, rather straight and not recurved at their tips. 

 Color of the body dull brownish-yellow, gaster blackish-brown, except its bc;se and 

 anal region. Mandibles, funiculi, corners of clypeus, anterior borders of cheeks, 

 posterior border of pronotum, a large anteromedian and two parapsidal blotches on 

 the mesonotum, dull brown ; scutellum and metanotum chestnut-brown. Wings 

 long (9 mm. ), uniformly smoky hyaline, with brown veins and darker stigma. 

 Male. — Length 8-8.5 ™™- 



Head decidedly broader than long, narrowed in the region of the cheeks, which 

 are short and flat ; posterior border of head straight, posterior corners broadly rounded. 

 Eyes large, suboblong. Maxillary palpi 5 -jointed. Mandibles 4-toothed. Clypeus 

 convex, subcarinate, with entire, slightly reflected anterior border. Thorax and gaster 

 of the usual shape, the former distinctly broader than the head. Petiole broad and 

 low, with thick, rounded, transverse upper border. 



Body subopaque ; pleurse, scutellum, metanotum and gaster more shining. Man- 

 dibles striatopunctate. Head and thorax very finely and densely punctate, gaster 

 shagreened, with rather coarse, scattered, piligerous punctures on its upper surface. 

 Hairs and pubescence grayish, more abundant than in the worker ; the hairs very 



