214 Mr. J. L. Hancock’s Studies of the 
2. D. shelfordi, sp. nov. 
Cinereous or fuscous, body rugose, conspersed with coarse granula- 
tions; superior ocelli placed between the middle of the eyes. 
Antenne inserted little below and anterior to the ventro-anterior 
margin of the eyes, not at all serrulate, from the sixth to the eighth 
articles moderately compresso-dilated, the sixth only a little so 
modified, the ninth oval, the two apical articles very small, the apex 
of last joint acute. Frontal costa distinctly protuberant between the 
antennz, and advanced much further than the eyes. Pronotum 
truncate anteriorly, the two prozonal carinze behind the anterior 
margin parallel, dorsum rugose-subnodulose, strongly flattened, 
presenting sulcations anteriorly: humeral angles little produced 
laterally, behind the shoulders subfossulate, and subgibbose, with a 
pair of gibbose tubercles posteriorly about midway between the 
humeral angles and base of process ; the course of median carina 
serrulate, indistinctly and irregularly subtuberculose ; lateral mar- 
ginal carine often bearing a number of small shining, somewhat 
obtuse tubercles, each humeral angle presenting one at the apices ; 
pronotal process rather stout, little depressed, lengthily extended 
beyond the apex of posterior femora ; lateral lobes little laminate 
outwards, the posterior angle excavato-truncate and angulate sub- 
acute, not at all serrulate or spinose. Elytra moderately large, 
distinctly acuminate towards the apices; wings fully explicate, as 
jong as the process. Femora elongate, margins minutely serrulate ; 
anterior femora above somewhat subbilobate ; middle femora above 
subtrilobate, the posterior tibie serrulate, but not at all spinose, 
Length of male and female, entire, 17°5-19 mm. ; pronotum 16—18°5 
mm. ; posterior femora 6-8°5 mm. 
Three examples from Kuching, N.W. Borneo, Dyak 
coll., R. Shelford ; Oxford Museum. 
A very distinct species resembling, perhaps, D. scabridus, 
Stal, more than any other member of the genus.* 
Genus PHastus, Bolivar. 
1. P. insularis, sp. nov. 
Stature small, cinereo-fuscus. Body somewhat smoothly granulate. 
Head not at all exserted ; vertex narrowed forward, nearly equal 
in front to one of the eyes, anteriorly subtruncate, transversely lightly 
carinate, advanced about as far as the anterior fourth of the eyes, 
* Named in honour of Mr. R. Shelford, whose interest in the 
Oxford Museum is shown by the large series of Orthopteran speci- 
mens bearing his name as the donor. 
