\\t imnAm\ Jntomolo0t$t. Vol. XXX. LONDON, NOVEMBER, 1898. No. 11. NEW SPECIES OF NORTH AMERICAN MYRMELIONID^. BY ROLLA P. CURRIE, WASHINGTON, D. C. IV. Brachyiiemurus brunneus^ new species. Male. — Length, 40 mm.; expanse of wings, 55.4 mm.; greatest width of anterior wing, 6.4 mm.; length of antenna, 7 mm. Slender, prevailing colour fuscous, markings luteous ; sparsely clothed with black and white hairs, more thickly so on abdomen. Face scarcely convex ; lower part luteous ; covered above by a broad piceous band which encircles the antennae ; furrow between face and inner orbit of the eye fuscous. Circumocular area luteous, except along vertex, where it is mostly dark fuscous, and near the maxillary palpiger, where there is a fuscous spot. Clypeus* luteous, rather short. Labrum transverse, luteous ; rounded laterally and narrowed anteriorly, emarginate in front. Mandibles piceous, black at tips. Maxillary palpi of moderate length, luteous, tinged with piceous apically, the fifth joint especially so; first two joints short, subequal in length, the first one about as broad as long, the second less broad ; third joint somewhat longer than first two together, perceptibly curved, enlarged apically ; fourth joint straight, considerably shorter than third ; fifth joint somewhat longer than third, subcylindrical, notched at tip. Labial palpi about same length as maxillary or slightly longer, luteous, more or less tinged with piceous apically ; first joint about twice as long as broad ; second joint somewhat more than twice as long as first, slightly curved, enlarged apically ; third joint about same length as second, fusiform ; tip narrowed and notched. Maxillary palpigers luteous, clouded with piceous. Labium and labial palpigers luteous ; mentum luteous, clouded with piceous pos-teriorly, with a long black bristle ; in front a longitudinal median black *One male specimen, labelled " Dunsmuir, Cal., Wickham," has a faint transverse fuscous line or series of dots separating the face from the clypeus. The female sped, mens have a fuscous clouding on each side of clypeus.