HYMENOPTERA. 11 



27. FORMICA FRATERNA. 



Operaria. F. rufo-fusca, sparse pilosula ; mandibulis, antennarum scapis, jlagellorum 



basi, pcdibusque pallide rufescentibus ; areafrontali opaca. 



The insect covered with a fine grey pile; the anterior part of the head rufo-testaceous, 

 the mandibles ferruginous ; the scape of the antennas and a few of the basal joints of the 

 flagellum pale ferruginous ; the legs and scale of the peduncle entirely of that colour ; 

 the scale rounded above. The base of the abdomen in some examples more or less tinged 

 with ferruginous ; the abdomen with a few scattered pale setae. Worker, length 2f to 3 lines. 



Hab. No precise locality indicated. 



This species very closely resembles the Formica cunicularia of Europe, but its pale legs 

 give it a different aspect. 



28. FORMICA DEFENSOR. 



Operaria. F. rufo-ferruginea, Icevissime cinereo-micans ; fronte abdominequefusco-nigris; 

 squama subtriangulariter, margine supero rotundato. 



Head, thorax, legs, antennae, and squama rufo-ferruginous ; the apical half of the 

 flagellum and the front above the insertion of the antennae, fuscous ; an impressed line 

 from the anterior ocellus to the clypeus, the latter with a sharp central carina ; the 

 frontal area opaque ; the teeth of the mandibles black ; the head and the flagellum with 

 fine cinereous pile. 



The abdomen fusco-f erruginous at the base, and the extreme apex pale ferruginous ; the 

 abdomen covered with a fine cinereous pile; beneath fusco-f erruginous. "Worker, length 

 2f lines. 



Had. On the road across the Pamir, from Sarikol to Panja. (April and May.) 



29. FORMICA CANDIDA. 



Femina. F. nigra nitidissima ; mandibulis, antennis, pedibusque rufescentibus ; squama 

 lata, subtriangulariter, margine supra rotundato. 



Shining black; the mandibles, antennae, and legs ferruginous; the latter slightly 

 fuscous above, as are also a few of the apical joints of the flagellum above. The head, the 

 width of the thorax ; the clypeus with a sharp central carina ; the frontal area semiopaque ; 

 the mandibles stout, and with longitudinal punctures. The metathorax semiopaque, and 

 with a fine cinereous pile, which also covers the squama, legs, and thorax on the sides and 

 beneath. Abdomen oblong-ovate, very smooth and shining, and with a sprinkling of pale 

 hairs at the apex ; the extreme apex pale testaceous. Female, length 3J lines. 



Hab. On the road across the Pamir, from Sarikol to Panja. (April and May.) 



Family MYRMICID^!, (Sm.) 



30. MTRMICA CURSOR. 



Femina. M. sordide rubra; capite thoraceque longitudinaliter striatis ; abdomme fusco- 

 nigro, nitido ; mandibulis, antennis, pedibusque pallide ferrugineis. 



Obscure ferruginous, with the head sometimes nearly black, or with the sides more or 

 less ferruginous ; the antennae with the scape and a few of the basal joints of the flagellum 



