260 8PnEGID.€, 



481. Dolichurus taprobanae, Smith, Trans. Enf. Soc. 1869, p. 304, d" ; 



Kohl, Ann. Naturhist. Ilofmus. Wien, viii, 1893, p. 511. 



$ . Head, tborax, and abdomen smooth and shining, the front 

 below the anterior ocellus rugulose, the uiesonotuin with a few 

 scattered punctures ; clypeus with a v\ell- marked medial carina 

 and covered with long stiffish hairs ; lamella above the base of the 

 antennae concave above ; eyes distinctly convergent towards the 

 vertex ; pronotum raised in the middle posteriorly, the raised por- 

 tion \\ith the posterior angles slightly projecting ; median segment 

 with four longitudinal carinse, the outer pair joined by a trans- 

 verse margin ou the verge of the truncated apex of the segment ; 

 the space between the canuse transversely rugose, the posterior 

 lateral margins of the segment with a tubercle ; abdomen with 

 the apical margin of the basal segment strongly constricted, 

 the apical segment narrow and very acute ; wings hyaline and 

 iridescent, nervures and tegulas dark brown. 



S similar, the front longitudinally striate. 



Hah. Burma; Tenasserim ; Ceylon. 5 . Length 10 ; exp. 16 mm. 

 S . Length 8 ; ea.p. 16 mm. Type in the British Museum. 



482. Dolichurus bipunctatus, Binyh. Jour. Linn. Soc. 1896, p. 439. 



S . Head in front densely punctured ; the vertex, occiput, pro- 

 and mesonotum, and abdomen smooth ; head and thorax with a 

 thin short pubescence, dense only on the clypeus ; pronotum with 

 the back portion raised transversely, the lateral angles strongly 

 tuberculate ; mesonotum with two parallel longitudinal furrows ; 

 median segment, the sides steep, truncate posteriorly, above with 

 two inner and two outer longer parallel longitudinal cai'inse, the 

 inner two and outer two joined separately by transverse carinas ; 

 the space between the cariuse transversely rugose ; legs stout, non- 

 spinose, the femora flattened ; abdomen short, the posterior margins 

 of the basal two segments strongly constricted, the 1st above and 

 below, the 2nd only above. Black, the pubescence fulvous white, 

 the concave projecting plate above the base of the antennae, on 

 the outer margin, and the tubercles on the lateral angles of the 

 pronotum whitish yellow ; wings hyaline and iridescent, nervures 

 and tegulae testaceous. 



Bab. Pegu Hills, Burma, d . Length 9 ; exy. 16 mm. § un- 

 known. Type in coll. British Museum. 



Genus TRIRHOGMA. 



Trirogma, Westw. Trans. Ent. Soc. iii, p. 223 (1841). 



Type, T. ccendea, Westw. 

 Eange. The Oriental region. 



Head not quite so wide as the thorax, the vertex broad, the 

 cheeks moderately well developed ; the eyes oval, reaching down 



