LOCUSTHXE. 471 



plementary joint. Proihorax transverse, with a slender longitudinal furrow 

 and with a slight curved furrow near the hind border; fore border 

 slightly rounded; sides and hind border nearly straight. Oviduct 

 straight, as long as the body; sheaths rather broad. Legs stout; 

 fore coxae with a short spine; four anterior femora unarmed; hind 

 femora with five very minute spines on each side beneath; four ante- 

 rior tibias with four long slender spines on each side; hind tibia? with 

 minute spines on each of the four keels; tarsi lobate. Wings whitish, 

 hyaline; veins reddish; transverse veinlets numerous. Fore wings ex- 

 lending very much beyond the abdomen. Hind wings longer than the 

 fore wings. Length of the body 7 lines ; expansion of the fore wings 

 20 lines. 



Much resembles G. munda, but has no pale dot on the front, and the 

 colour of the veins of the fore wings is different. 



a. Swan River. Presented by Sir J. Richardson. 



GBYLLACRIS MAGNICEPS. 



Mas. Testacea, robusta ; caput valde convexum, prothorace multo latins, 

 fronts nigra rugulosa; oculi elliptici, subprominuli ; antennae picea, 

 yracilliirue ; prothorax antice el postice niger ; abdomen nigricante 

 fascia turn, corniculis duobus apicalibun subfusiformibus, cercis 

 piceis seluceis selulosis abdominis dimidio longioribus ; pedes 

 robtulii breviusculi, femoribus piceo slrigatis uniseriatim spinulosis, 

 tibiis spinosis ; alee nigricantes ; alee anticce abdomen non superantes ; 

 aid posticte paullo lonyiores. 



Male. Testaceous, stout, smooth, shining. Head much broader than 

 the prothorax ; vertex very convex; front black, rugulose. Ocelli distinct. 

 Eyes black, elliptical, slightly prominent. Fourth joint of the maxillary 

 palpi a little longer than the third; tilth clavute, shorter than the fourth. 

 Antenna? piceous, very slender, testaceous at the base. Prothorax trans- 

 verse, black along the fore border and along the hind border, with a shallow 

 transverse furrow; fore border and bind border nearly straight; sides 

 rounded. Prosternum, mesosternum and metasternum notched. Abdomen 

 above with blackish bands on the sutures of the segments. Abdomen with 

 two short slightly fusiform apical appendages. Cerci piceous, setaceous, 

 thickly beset with long bristles, more than half the length of the abdomen. 

 Legs stout, rather short; spines with black tips; femora streaked with 

 piceous; fore femora with one row of four minute spines; middle femora 

 with two minute spines near the tips; hind femora with three minute 

 spines; four anterior tibiae with four moderately long spines on each side 

 and with a lew smaller spines beneath. Wings blackish. Fore wings not 

 extending beyond the abdomen ; transverse veinlets numerous, regular. 

 Hind wings extending a little beyond the abdomen. Length of the body 

 21 lines; expansion of the fore wings 36 lines. 



This and the four following species differ from the typical structure of 

 the genus, and may perhaps be separated from it. 



Hindustan. In Dr. Leith's collection. 



