102 Mr. W. L. Distant on the 



tudinal veins to apical areas, costal and post-costal mem- 

 branes ocliraceous ; wing-venation blackish ; opercula in 

 female short and transverse, subconically obliqne, not 

 extending beyond base of abdomen ; face conically produced 

 and somewhat strongly laterally striate ; base of head at 

 region of ocelli sulcate ; pronotum centrally longitudinally 

 siUcate; tympanal coverings both narrower and shorter than 

 tympanal cavities. 



Long.^ excl. tegrn., ^ , 15 mm. ; exp. tegm. 49 mm. 



Hub. Tonkin; Chapa [R. Vitalis de Salvuza). 



This species may be placed near T. ransonneti, Dist. 



Terpnosia chap an a, sp. n. 



(^ . Head, pronotum, mesonotum, face, sternum, legs, 

 and opercula olivaceous green ; abdomen above and beneath 

 pale testaceous, the abdominal margins a little darker, and 

 the apical abdominal area black ; lineate markings to 

 anterior margin of front, a transverse spot near insertion 

 of antennae, and a suifusion at the region of the ocelli black ; 

 pronotum with two central longitudinal linear fasciae, nar- 

 rowed and united at base, the furrows, two spots on each 

 lateral area, and the extreme basal margin black ; meso- 

 notum with the margins of two anterior obconical spots, 

 followed on each side of anterior margin by a small angulate 

 spot and again by a submarginal longitudinal fascia, a 

 central longitudinal spot reaching middle of cruciform 

 elevation and a spot before each anterior angle of same, 

 black ; tegmina and wings subhy aline, the venation black 

 or blackish, tegmina with the costal membrane and post- 

 costal area ochraceous, the transverse veins at the bases of 

 the second, third, and fifth apical areas, and the apices of the 

 longitudinal veins to the apical areas spotted with fuscous ; 

 tympanal coverings well developed, but shorter and narrower 

 tlian tympanal cavities ; face centrally sulcate and strongly 

 transversely striate, vertex between the ocelli sulcate ; 

 opercula subtruncately oblique, scarcely passing the base of 

 abdomen ; greatest w'idth of tegmina about one-third 

 of length. 



Long., excl. tegm., ^ , 18 mm. ; exp. tegra. 55 mm. 



Hab. Tonkin, Chapa {R. Vitalis de. Salvaza). 



The nearest allied species is T. posidonia^ Jac. 



Terpnosia mesonoialis, sp. n. 



(J . Head, pronotum, abdomen above and beneath, 

 sternum and legs ochraceous, the upper surface of the 



