LOCUSTID.E. 389 



veins green. Length of the body 18 — 21 lines ; expansion of the fore 

 wings 50 — 58 lines. 



a, b. Australia. From Mr. Stutchburv's collection. 



Genus 111. COSMOPHYLLUM. 



Cosmophyllura, Blanch. Gay^ Chili, vi. 50. 



1. CoSMOPHYLLUM PALLIDULUM. 



pallidulum, Blanch. Gay, Chili, vi. 52. 

 Chili. 



2. CoSMOPHYLLUM OLIVACEUM. 



olivaceum, Blanch. Guy, Chili, vi. 52. 

 Chili. 



Genus 112. ITARISSA. 



Fcem. Corpus robustum, fusiforrae. Caput prothoracis margine 

 antico paullo ana;ustius; verticis carina conica, sulcatM, obtusa, anten- 

 narum articulo lo paullo angnstior; frons convexa, breviuscula, inter 

 antennas conica. Oculi prominuli, fere ellipiici. Palpi maxillares setulosi ; 

 articulus 5us subclavatus. Proiborax disco fere piano, carinis lateralibus 

 nullis. Mesosternu5u et metasternum incisa. Oviductus brevissimus, 

 apice scaber. Pedes robusti, breviusculi. Ali3e anticae latissimae, subovatae, 

 cosla basi valde convexa apicem versus oblique punctata, margine postico 

 Totundato. Alae posticce longiores, apices versus transverse angulatim 

 plicalce. 



Female. Body stout, fusiform, smooth, shining. Head a little nar- 

 rower than the fore border of the proihorax; keel of the vertex conical, 

 furrowed, obtuse at the lip, a little narrower than the first joint of the 

 antennae; front convex, rather short, its elongation between the eyes 

 conical, remote from the keel of the vertex. Eyes prominent, nearly 

 elliptical, more rounded on the outer side than on the inner side. Maxil- 

 lary palpi setulose ; fourth joint rather shorter than the third, a little more 

 than half the length of the fifth, which is subclavate. Antennae long, 

 slender. Prothorax with a nearly flat disk, which widens hindward and has 

 a longitudinal impressed line; lateral keels obsolete; fore border and sides 

 straight, the latter rounded towards the hind border, which is much 

 rounded. Mesosternum more largely notched than the metasternum. 

 Oviduct deep, curved, scabrous towards the tip, about one-fourth of the 

 len^ijth of the abdomen. Legs stout, rather short; spines on the femora 

 and on the four anterior tibiae very minute, those on the four keels of the 

 hind tibiaB a little larger. Fore wings very broad, irregularly oval, very 

 minutely and thickly punctured, the space in front of the scapular vein a 

 little narrower than that behind it; costa much rounded near the base, 

 straight along its outward part, between which and the end of the scapular 

 vein it is obliquely and abruptly truncated; a few oblique ramose veins 

 proceeding from the scapular vein lo the costa; areolets small, irregular; 

 a few large, regular areolets between the externo-raedial vein and the 

 interno-medial vein, the latter with little knobs towards the base; a fold 



