LOCUSTID.E. 471 



plementavy joint. Piothorax transverse, with a slender lonfjitudinal furrow 

 and will) a slijjht curved furrow uear 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 coxjB with a short spine; four anterior femora unarmed; hind 

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

 rior tibiffi with four long slender spines on each side; hind tibicB with 

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

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

 tending 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. 



Gkyllacris magniceps. 



Mas. Testacea, robusta ; caput valde convexum, prothorace mullo latius, 

 fronle nigra riigulom; oculi elliptici, subprominuH ; antenncE picecE, 

 gracillimcB ; prolhnrax antice et poslice niger ; abdomen nigricante 

 J'asciatum, coruiculis duobus apicnlibus itubfimformibiis, cercis 

 piceis selticeis selulosis abdominis dimidio longioribus ; pedes 

 robusli, breviusculi, femoribus piceo slrigalis uniserialim spinulosis, 

 tibiis spinosis ; alee nigricantes ; alee anlicce abdomen nan superantes ; 

 nla posliece paullo longiores. 



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

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

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

 palpi a little longer than the third ; fi(th clavate, shorter ih^n the fourth. 

 Antennte 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 hind border nearly straight; sides 

 rounded. Prosternum, mesosiernum and metasternura 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 slout, 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 tibis with four moderately long spines on each side 

 and with a lew smaller spines beneath. Win«s 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. 



Hindostan. Li Dr. Leilh's collection. 



