LOCUSTIDJS. 295 



Female. Body thick, convex, nearly cylindrical. Head and prothorax 

 thinly punctured. Head very large, a little broader than the prothorax ; 

 a short acute horn between the sockets of the antennae ; front and face 

 scabrous. Eyes small, close to the sockets of the antennae, extremely pro- 

 minent. Mandibles large, broad, with two or three teeth ; tips acute. 

 Maxillary palpi about twice the length of the labial palpi ; third joint 

 shorter than the second; fourth subclavate, very much longer than the 

 third. Antennae much more than twice the length of the body. Prothorax 

 with parallel sides, somewhat longer than broad, with a slight longitudinal 

 furrow and with two transverse furrows, of which the second is more 

 distinct than the first. Prosternum with two spines. Cerci short, broad, 

 about one-sixth of the length of the oviduct. Oviduct broad, sabre- 

 shaped, much curved upward, a little shorter than the abdomen. Legs 

 thick, moderarely long; femora and tibia? with many rather small spines; 

 tarsi three-jointed; third joint with two foliaceous appendages at the 

 base. Fore wings as long as the body, a little longer than the hind wings, 

 irregularly and very thickly reticulated ; transverse sectors extremely 

 numerous; scapular vein forked beyond half its length, its two branches 

 also forked; the next vein with one fork. Hind wings very broad, wholly 

 reticulated ; transverse sectors numerous, mostly regular. 



3. AGR^CIA MEGACEPHALA. 



Locusta megacephala, Haan, Verz. Nat. Gesch. Ned. Ind. JBez. Ins. 209, 

 pi. 19, f. 1. 



New Guinea. Aru. 



a. Boroo. From Mr. Wallace's collection. 



4. AGRffiCTA LATICEPS. 



Locusta laticeps, Haan, Verz. Nat. Gesch. Ned. Ind. Bez. Ins. 210 

 megacephala, var.? 



Amboina. 



5. AGE^BCIA SOLIDA. 



Mas et foem. Testacea, crassa, fere cylindrica, parce punctata ; caput 

 unispinosum, prolhorace vix latius, fronte picea scabra, facie nigra 

 apicern versus pallide testacea ; palpi pallide testacei ; prothorax 

 transverse bisulcatus, margine postico subproducto valde rotundato ; 

 pectus nigro trifasciatum, prosterno bispinoso ; abdomen apice bidenta- 

 tum et quadrispinosum ; pedes biserialim spinosi, femoribus posticis 

 uniseriatim spinosis, tibiis posticis quadriseriatim spinosis ; ala 

 anticcB confertissime reticulates, costa valde rotundata ; ala posticce 

 diaphance, venis pallide testaceis. Foam. Oviductus piceus, arcuatus, 

 abdomine multo brevior. 



Male. Testaceous, stout, nearly cylindrical. Head and prothorax 

 thinly punctured. Head hardly broader than the prothorax ; an acute 

 spine between the eyes ; front scabrous, piceous ; face and labrum black ; 

 face pale testaceous towards the tip. Eyes very prominent. Palpi pale 

 testaceous ; fourth joint of the maxillary palpi much shorter than the third ; 

 fifth subclavate, truncate, much longer than the third. Antennae about 



