486 bulletin: museum of comparative zoology. 



Head, thorax, and abdomen finely, densely punctate and striolate, 

 with abundant closely appressed pubescence, which gives the insect 

 a velvety appearance. Body everywhere, except on funiculus, with 

 numerous erect or suberect hairs. 



Color dark ferruginous, legs lighter. Pile and pubescence gray. 



Camp 39 Madeira-Mamore R. R. 



This subspecies differs from typical D. charfifcx in its more robust 

 form, proportionately larger head and the opacj^ue or semiopaque 

 structure of the integument. In a series of D. chariifcx from Bon 

 Lugar on the Rio Purus (Coll. Goeldi, det. Forel) before me, the whole 

 body is much more shining than in D. viamoreensis, and the pubes- 

 cence much more sparse. The head is proportionally smaller, and 

 the occipital margin is distinctly, though narrowly, margined. 



221. Bendromyrmex madeirensis, sp. nov. 



Worker. Close to D. cqnccdis. 



Head with sides in front of eyes evenly convex, considerably nar- 

 rower at base of clypeus than in front of eyes; sides of occiput convex; 

 occipital border narrowly, but distinctly margined; the sides, seen 

 from above, angulate. Eye situated distinctly behind middle of 

 head. Frontal area broad, convex, faintly longitudinally impressed 

 at middle. Clypeus strongly carinate; the anterior border slightly 

 concave; mandibles wuth six teeth. Antennae long and slender. 

 Pronotum longer than broad, sides submarginate; strongly impressed 

 and margined at anterior border. Surface, except for anterior de- 

 pression, slightly convex. IVIesonotum rounded above and at sides. 

 Epinotum seen in profile, convex from apex to base; sides weakly 

 margined, surface flat. Apex of node, seen in profile acutely angulate, 

 from behind truncate, the sides near apical margin nearl}' straight, 

 forming an angle with the apical margin. Gaster ovate. Legs long 

 and slender. 



Head shining, finely striolate and punctate, with rather sparse 

 pubescence and abundant semierect pile. Scape of antennae shining, 

 coarsely punctate, without pubescence, but with much long erect 

 pile; funiculus thickly pubescent, wuth short pile. Pronotum shining, 

 sparsely punctate, with sparse, long, recumbent and a few erect hairs. 

 Mesonotum more densely punctate and more thickly pubescent than 

 the pronotum. Epinotum and petiole semilucid, finely striate trans- 

 versely, the former with very sparse pubescence and a few long, erect 



