HENRY J. FRANKLIN. 293 



nearly as long as third and fourth taken together, third segment longer 

 than fourth. 



Thorax. — Colors arranged as in workers, but with interalar band 

 much less sharply defined, there being a more or less strong admixture 

 of yellow hairs with the black ; metapleura and sides of median seg- 

 ment never with black hair. 



Abdomeyi. — Coloration about like that of worker ; third dorsal seg- 

 ment sometimes entirely black ; fourth segment usually almost entirely 

 black, except for some yellow hair on extreme side margins, some- 

 times entirely black ; apical dorsal segment often entirely black, but 

 as often entirely covered with ferruginous (of greatly varying shade) 

 or whitish yellow pile, as with segments five and six ; fifth segment 

 often partly or entirely black. Venter, except the sides of the first seg- 

 ment and the apical segment, rather heavily clothed with long, light 

 yellow pile ; apical segment usually more or less tinged with ferrugin- 

 ous, especially on the apical margin, sometimes black. 



Genitalia. — Outer spatha (fig. 123) with anterior lateral projections 

 very long, slender and rounded at the end ; main part a little less than 

 one-third as long, from anterior to posterior border along the middle 

 line, as wide, from side margin to side margin ; anterior margin widely 

 and rather evenly incurved ; posterior margin broadly rounded on the 

 sides, but rather widely and deeply incurved in the middle ; ventral 

 surface on each side of apical portion bearing a scattered patch of 

 long hairs. Inner spatha (fig. 115) tridentate at apex. Claspers as 

 described for group. Inner lobe of squamae vestigial. Shaft of sagitta 

 with a prominent projection a little in front of the middle of the lower 

 side. See figs. 63 and 77. 



Wings. — Usually a trifle lighter than those of queen and worker. 



Legs. — Coxae, trochanters and femora always with a large amount 

 of yellow pile ; fore and middle tibiae often dark for the most part, but 

 usually with a considerable amount of light or ferruginous pile on their 

 outer and posterior sides and often within also ; hind tibiae with their 

 outer faces bare and with fringes always more or less strongly ferru- 

 ginous ; posterior metatarsi with light or ferruginous hind fringes. 



Ditnensions . — Length : queen, 15 mm. to 19 mm. ; worker, 11 mm. 

 to IS mm.; male, 12 mm. to 16 mm. Spread of wings: queen, 32 

 mm. to 41 mm. ; worker, 26 mm. to 32 mm. ; male, 30 mm. to 33 mm. 

 Width of abdomen at second segment: queen, 8^ mm. to lOJ mm. ; 

 worker, h\ mm. to 8| mm. ; male, 6 mm. to 7 mm. 



Redescribed from seven queens (one of them the type of 

 atrifasciatus Morrill and another a homotype of pzcinami 

 Cresson), seventeen workers and ten males. 



Variations. — As has been already shown in the above de- 

 scription, this species is a rather variable one, especially in 

 the coloration of the abdomen. The queens usually have 



TRANS. AM. KNT. SOC. , XXX VIII. 



