S. B. Buckley on North American Formic idse. 331» 



Common in Central Texas, where it is often seen cuing in ranks on the 

 ground or trees. It is rather slow in its movements. 



44. Myrmica (Monomarium) coeca, n. Bp. 



Length 0.12 inch. — Reddish-brown; head subtriangular, smooth 

 and oval above, a little rounded below, beneath the vertex, concave 

 beneath the occiput; mandibles small, curved inwards and downwards, 

 acute and brownish-black; eyes none; antennae 12-jointed, rather 

 short, and inserted on the front of the head near the clypeus, slighth 

 enlarged towards the apex; prothorax nearly equal in width with the 

 head, smooth and oval above and forwards, and narrowed posteriorly ; 

 mesothorax somewhat depressed; metathorax raised posteriorly, thence 

 descending abruptly to the pedicle ; nodes of the pedicle large, of 

 about equal size and somewhat rounded; abdomen small, oval, and but 

 little larger than the head; legs long and slender. 



Has cells beneath meks. in San Saba County, Texas. 



45. Myrmica i Monomarium) marylandica. n. Bp. 



Worker. Length 0.12 inch. — Abdomen black or piceous, the rest 

 yellowish-red; head round-ovate, rounded above; antennae inserted at 

 base of the clypeus; club and flagellnm of about equal length, the 

 latter largely clavate ; eyes small, circular, lateral, and but a little back 

 of the middle; mandibles small, curved in and toothed; prothorax ■£ 

 narrower than the head, rounded somewhat at the sides, flattened 

 above, widest in front; mesothorax small, depressed above and com- 

 pressed at the sides; metathorax subquad rate, with two large divergent 

 spines inclined back; pedicle incrassate, and inserted in the upper 

 anterior part of the abdomen ; scales small, nodose, and subemarginate 

 above, nearly equal; abdomen subtriangular, acute ; legs long, slender ; 

 the whole ant rather thickly sprinkled with hairs. It often carries its 

 abdomen turned up erect. 



Beneath stones, and also on the trees, near Washington, D. C, and 

 also in Maryland, in the Druid lliil Park, Baltimore. 



40. Myrmica (Monomarium) montana. n. sp. 



Worker. Length 0.14 inch. — Head, thorax and abdomen dark red- 

 dish-brown, under surface spotted with pale yellow; legs pale yellow; 

 antennae yellowish-red; head ovate, rounded above, occiput not emar- 

 ginate; antennae clavate, inserted near the base of the clypeus; eye- 

 very small, circular, lateral, placed about midway of the head; mandi- 

 bles small, widened anteriorly, curved in and toothed on their inner 

 margins; upper surface of the head longitudinally striated, stria* 

 numerous; under surface not channeled; prothorax i narrower than 



