618 CATALOGUE OF 



The three following geiieia are unknown to mo, and are nut arranged 

 systematically. 



Genus 11. ACHURUM. 



I. ACHUEUM SUMICHRASTI. 



Truxalis (Achurum) Sumichrasti, Sauss. Rev. el Mag. Zool. 1861, 313. 

 Mexico. 



Genus 12. ICHTHYDION. 

 Ichlhydion, Sauss. Rev. et Mag. Zool. 1859, 390. 



1. ICHTIIYDION MeXICANUM. 



Mexicanum, Sauss. Rev. et Mag. Zool. 1859, 390. 

 Mexico. 



Genus 13. OXYPHYMA. 

 O.xypliyma, Sauss. Rev. et Mag. Zool. 1861, 157. 



1. OxYPHYiMA JURINEI. 



Jurinei, Sauss. Rev. et Mag. Zool. 1861, 157. 

 South America ? 



ft Alae antica; lata?. 

 Fam. 2. TRIGONOPTEIlYGIDiE. 

 Genus I. TRIGOXOPTERYX. 

 Trigonopleryx, Charp. Orth. — Systella, Westiv. 



1. Trigonopteryx punctata. 



punctata, C/ta»-;j. Orth.j)\.5 — Acridium'(Trigonopteryx) punctalum, Uaan, 

 Verz. Nat. Gesch. Ned. Ind. Bez. Ins. 151 — Systella Rafflesii, Westw. 

 Arc.Ent. pi, 4, f. 11. 



Java. Banjermassing. Padang. 



a. Sumatra. From Mr. Vif^ors' collection. 



2. Trigoxopteryx Philippensis. 



Mas. Sordide viridis ; vertex inter antennas lanceolata ; antenna nigra:, 

 laneeolata", non dilatata:, prolhoruce Inngiores ; prothorucis carina 

 latera/es paralltla, valde deteriiiinata ; tibia postica biseriatim spinosa, 

 femoribus anticis et postiris subtus apices versus dilatatis ; ala antica 

 lata, fusco pustulata, casta convexa apicein versus subexcavala, mar- 

 gine postico valde rotundato ; ala postica cinerea, diapliana, bre- 

 viores. 



Male. Dull green, slender, linear. Head and prothorax thickly and 

 minutely punctured. Head slightly ascending; vertex flat, lanceolate 

 between the antenna ; front very oblique, slightly luherculalc, keeled where 

 it joins the vertex. Eyes fusiform, prominent. Anteinice black, flattened, 

 lanceolate, longer than the prothorax. Disk of the prothorax flat, with two 

 very slight transverse furrows ; lateral keels very sharply defined, parallel 



