18 BULLETIN OF THE 



ulxiut as loiiy as tlie pruiiotum. Iliiid femora uiianuod aliuvu, rather slender, 

 readiiiig the extremity of the abdomen; hind tibiai with smooth maryins 

 between the spines, the inner and outer series of which are of nearly e(pial 

 length, the outer series consisting of nine spines, the last l.icfore the apex; 

 second joint of tarsi not half so long as the first. Last dorsal segment of male 

 abdomen deeply and broadly concave, unarmed, centrally ciuarginate. 



Halmenus robustus, sp. nov. 



Plate I. Figs. 0. 7. 



PczottUix VIC. sp. Brim.!, Proc. U. S. Nat. Mus., XII. 193. 



Head and dorsum of pronotum testaceous, the frontal costa sometimes dotted 

 above with fuscous, as is also the vertex next the eyes; antenna) concolorous, 

 sometimes infuscated ou the apical half ; lateral lobes of prozona blackish 

 fuscous (extending upon the head as a ([uadrate spot behind the eye) with a 

 bright white broad broken and bent stripe below, the lower margin of irregu- 

 larly mingled black and white ; the white band extends also across the 

 metazona, but above it the lobes are testaceous, longitudinally streaked with 

 black. Prozona coarsel}' and very faintly rugose ; metazona heavily punctate. 

 Tegmina strongly infuscated except on dorsal field. Outer face of hind femora 

 with extreme basal, premedian, and faint postniedian obliipie blackish fuscous 

 stripes, the geniculations infuscated ; tibia) uniforndy testaceous, the si)ines 

 black-tipped. Abdomen heavily marked with black, especially ou the sides. 



Length of body, male 30 mm., female 32 mm.; pronotum, male 7.5 mm., 

 female 8.5 mm.; hind femora, male 15.5 mm., female 18.5 mm. ; tegmina, 

 male 9.5 mm., female 11 mm. 



Conway Bay, Indefatigable I.sland, August 6, 1 male, 1 female, G. Baur; 

 Indefatigable Island, 1 male, U. S. Fi.sh Commission, 1888; James Island, 

 1 male, immature, U. S. Fish Commission, 1888. 



DESMOPLBURA {Uafios, irKcvpa), gen. nov. 



Body parallel-sided. Head prominent, the summit horizontal, scarcely con- 

 vex, the fastigium of vertex slender, elongate, declivent, sulcale, apically 

 broadened; front 2)retty strongly declivent, the costa subecjual throughout and 

 sulcate, scarcely contracted below the ocellus and only a little narrower above, 

 where it equals the width between the eyes ; lateral carina) of face prominent; 

 eyes elongate, rather prominent, longer than the gense l^eneath them ; last joint 

 of maxillary palpi apically truncate, similar to the preceding ; antenna- linear, 

 longer than head and ])ronotum combined. Pronotum compressed, subequal, 

 very obtusely angulate behind, subtruncate in front, the sulci feebly impressed 

 but distinct, the dorsum feebly convex with no lateral carina) ; lower side of 

 the lateral lobes mesially broadly angulate; prosternal spine conical, appressed 

 to the mesosteruum; mcsosterual lobes distant ; metasternal lobes subcontiguous 



