LOCUSTIDJE. 365 



Male. Body rather slender. Head as broad as the prothorax, with a 

 short keel between the eyes. Eyes prominent. Fourth joint of the maxil- 

 lary palpi much shorter than the third ; fifth much longer than the third. 

 Antennae long, very slender; first and second joints inerassated. Disk of 

 the prothorax flat, widening binclward ; lateral keels well defined; fore 

 border and hind border straight ; sides much rounded. Abdomen rather 

 longer than the thorax. Cerci curved. Legs slender; four anterior femora 

 with five spines beneath ; hind femora incrassated towards the base, with a 

 few minute spines beneath on each side towards the tips; tibiae in structure 

 like those of Soria. Fore wings broad, subfusiform, a liiile shorter than 

 the hind wings; scapular and externo-medial veins contiguous; the latter 

 in addition to some transverse veinlets emits two forked longitudinal veins; 

 the first undulating, proceeding from the middle, the second near the lip ; 

 interno-medial vein undulating and forked ; areolels irregular, as they are 

 also in the triangular subapical patch of the hind wings. 



1. To PAN A MEDIA. 



Mas. Viridis ; antenna albida, nigro fasciatce; prothoracis carina 

 laterales ferruginece ; abdomen testaceum ; pedes ferrugineo nolati ; 

 alee anticcB macula guttisque duabus discoidalibus plagaque postica 

 basali ferrugineis ; alec poslica diaphance, plaga apicali viridi. 



Male. Green. Eyes testaceous. Antennae whitish, with several 

 black bands. Prothorax with ferruginous lateral keels. Abdomen testa- 

 ceous. Four femora and four anterior tibiae with some ferruginous marks. 

 Fore wings ferruginous between the anal vein and the hind border ; a large 

 ferruginous spot between the forks of the interno-medial vein, accompanied 

 by two ferruginous dots, the one near its inner side, the other near its outer 

 side. Hind wings pellucid ; veins white; apical patch green. Length of 

 the body 1\ lines ; expansion of the fore wings 20 lines. 



2. TOPANA POSTICA. 



Mas. Testaceo-viridis ; oculi ferruginei ; antenna albida, nigro cinctce ; 

 prothorax fusco biviltalus, disco pallide luleo ferrugineo-marginato, 

 lateribus undulatis, margine postico rotundalo ; abdominis dorsum 

 carinatum ; cerci valde arcuati ; femora apice tibiaque bast ferru- 

 ginea ; alee anticce plaga postica plagaque basali ferrugineis ; alee pos- 

 ticaB diaphancB, plaga apicali viridi fusco strigulata. 



Male. Testaceous-green. Head with a short keel between the eyes, 

 which are ferruginous and prominent. Antenna whitish, with some black 

 bands. Prothorax with a pale luteous flat disk, which has a ferruginous 

 rim; fore border almost straight; sides undulating ; hind border rounded ; 

 a brown stripe on each side. Abdomen keeled above, a little longer than 

 the thorax. Cerci much curved, extending round the lower lanceolate 

 styles. Femora at the tips and tibiae at the base ferruginous. Fore wings 

 ferruginous between the anal vein and the hind border ; a ferruginous patch 

 on the hind border beyond the middle; under side with some minute brown 

 costal marks near the tip. Hind wings pellucid; veins white; apical 

 patch green, with some little transverse brown costal streaks. Length of 

 the body 6 lines; expansion of the fore wings 18 lines. 



