Tetriginac in the Oxford University Museum. 851 
lobato-dentate ; wings cov^ered 
by the sides of pronotum ; length 
of pronotum, cj 12 mm. . . . 
3. Pronotum behind at the apex 
incised, crest highly arched- 
cycloidal ; inferior margin of pos¬ 
terior femora strongly denticulate, 
inferior external carina bearing 
denticles: length of pronotum, 
12 mm. 
3.3. Pronotal apex obtuse-rounded, 
margin barely undate or sub- 
sinuate ; crest subreniform ; 
frontal scutellura cristate pro¬ 
duced, entire or very slightly 
serrulate: vertex carina bearing 
a median projecting denticle ; 
posterior femoral carinae ven- 
trally strongly quinquelobate, 
inferior external carina trilobate; 
length of pronotum, ^ 10.5 mm.; 
5 11.5 mm. 
4. Dorsal crest very highly compresso- 
elevated, semicircular, margin 
behind near the apex crenulate ; 
length of pronotum, 13 mm. . 
4.4. Dorsal crest very highly com- 
presso-elevated, semicircular, 
but very little subangulate- 
rounded above tlie middle ; 
lateral carinae of frontal scu- 
tellum minutely spinulose ; 
length of pronotum, ^ 11.5 
mm. ; $ 11.8 ram. 
simile, Bob 
platycorys, Westw. 
cristifrons, sp. nov. 
galeatnm, Karsch, 
fusewn, Bol. (larva) 1 
neavei, sp. nov. 
X. extensum, sp. nov. (Plate XLIX, fig. 1.) 
(See preceding synoptical table.) Lateral carinae of frontal 
scutellum minutely spinulose or denticulate. Pronotum highly 
elevated and strongly compresso-foliaceous, crest very thinly trans¬ 
lucent bearing radiating veins; superior margin forward of the 
middle of dorsum regularly smoothly curvate, highly and roundly 
elevated subangulate behind the middle and extended deflexed back¬ 
ward substraight to the acute apex ; behind more than a third of 
