ffomoptera of Indo- China. 103 



abdomen moderately rufescent ; mesonotum uniformly pale 

 ocliraceous; pronotum with the sublateral furrow marked 

 with black ; the mesonotal cruciform elevation dark tes- 

 taceous ; opercula pale ochraceous ; tegmina and wings 

 subhyaline, the veins fuscous ; tegmina with the costal 

 membrane and post-costal area dull ochraceous with dark 

 linear markings^ extreme basal angle of upper ulnar area 

 dark fuscous ; vertex of head sulcate between the ocelli ; 

 sublateral furrows to pronotum very profound ; face with 

 very strong transverse ridges; tympanal coverings small, 

 very much shorter and a little narrower than tympanal 

 cavities ; opercula short and broad, not quite reaching base 

 of aljdomen. 



Long., excl. tegm., c? , 17 mm. ; exp. tegm. 45 mm. 



Hab. Tonkin ; Cha|)a {H. Vitulis de Salvaza). 



To be placed near T. mudhuva^ Dist. 



Calcagninus salvazanus, sp. n. 



(^ . Body and legs ochraceous, mesonotum a little paler, 

 sometimes blackish markings at base of abdomen beneath ; 

 tegmina and wdngs subhyaline, the venation fuscous brown, 

 tegmina with the whole of the costal and subcostal areas 

 ochraceous; tympanal coverings imperfect; abdomen tuber- 

 culate beneath on second and third abdominal segments ; 

 head about as long as half the width between eyes ; Avings 

 with six apical areas ; mesonotum sometimes with indi- 

 cations of two dark lateral longitudinal fasciae ; opercula 

 wide apart, transverse, not passing basal abdominal segment, 

 apical margins roundly truncate; face with the lateral 

 striations distinct, but not profound ; vertex of head 

 narrowly longitudinally sulcate between the ocelli. 



Long., excl. tegm., J", 15 mm. ; exp. tegm. 45 mm. 



Hab. Tonkin; Cliapa {K. Vitaiis de Salvaza). 



Mogannia iadigotea, sp. n. 



Body and legs very dark indigo-blue ; tegmina and wings 

 hyaline, the venation dark ochraceous; tegmina with about 

 basal half flavescent, outwardly margined with a transverse 

 fuscous fascia and an oblique macular fascia directed 

 inwardly and the basal cell of the same colour, costal 

 membrane dark ochraceous; base of wings narrowly dark 

 ochraceous. Front of head longly hirsute and longly 

 depressed, between the ocelli longitudinally sulcate ; pro- 

 notvim with the furrows profound ; rostrum reaching the 

 intermediate coxse. 



