386 
116. Cexrrorus LIMBATUS, n. s. Niger, thoracis vittis tribus, ablomine subtus 
pedibusque albidis, eornubus lateralibus parvis, cornu postico abdominis apicem 
vix attingente. 
Black. Thorax with three white stripes which are united in front and behind; 
the lateral pair ‘eurved, including the lateral horns, and dilated at the base 
of the hind horn; lateral horns acute, as long as half the space between 
them; bind horn extending nearlytothe tip of the abdomen, which is whitish 
beneath. Legs whitish. Wings greyish hyaline, with black veins. Lergth 
of the body 33 lines; of the wings 8 liues. 
117. CENTROTUS LATIMARGO, n. s. Ater, thoracis cornubus lateralibus latis 
planis acuminatis biearinatis, cornu postieo abdominis apieem non attingente, 
tarsis posticis albidis, alis testaceo-hyalinis, anticis apud costam late nigris. 
Deep black, scabrous. Lateral horns of the thorax broad, flat, ecuminated, 
withtwo ridges, slightly inelined backward, each as long as the space be- 
tween them; hind horn extending nearly to thetip ofthe abdomen. Hind tarsi 
wlitish. Wings testaceous byaline. Fore wings with a broad black costal stripe. 
Length of the body 8 lines; of the wings 7 lines. 
Nearly allied to C. assamensis Fairm. 
118. Cextrrorus DENsUS, n. s., mas. Niger obscurus scabrosus, thoracis cor- 
nubus lateralibus acuminatis carinatis subascendentibus, cornu postieo abdomi- 
nis apicem superaute, seutello maculis duabus albidis, alis posticis cmmereo- 
byalimis. 
Male. Black, dull, seabrous, stout. Lateral horns of the thorax acute, rid- 
ged, obliquely ascending, each a little shorter thanthe space between them; 
hind horn extending a little beyond the tip of the abdomen; scutelluam with 
a whitish spot on each side. Hind wings greyish hyaline. Length of the 
body 22 lines; of the wings 7 lines. 
119, Cerrrorus VARIPES, mn. S., fem. Niger obscurus scabrosus, thorace 
carinato, cornubus lateralibus acuminatis carinatis subrecurvis, cornu postico 
brevi, tibiis tarsisque posterioribus albidis, his apice nigris, alis subcinereo- 
lyalinis, anticis costa nigra. 
Female. Black, dull, scabrose. Thorax with a slight keel; lateral horns acute, 
ridged, slightly curved backward and ascending, each as long as the space 
between them. Hind tibize and hind tarsi whitish, the latter black towards 
the tips. Wings hyaline, slightly cinereous; veins blaek; costa of the fore 
wings black for two-thirds of the length from the base. Length of the bo- 
dy 23 lines; of the wings 6 lines. 
120. Centrotus caliginosus Walk. 
121. CExTROTUS CICADIFORMIS, n. s., fcem. Niger obscurus scabrosus, thoraeis 
cornubus lateralibus subobsoletis, cornu postico nullo, abdominis apice supra 
pedibusque fulvis, alis subeinereo-hyalinis, anticis costa basique nigris. 
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