PLASTINGIIN^. 229 



Expanse of wings, $ 2-^^, ? 2y% inches. 



Habitat. — Burma. 



Distribution. — The type male from the Aracan coast taken l)y Bingham is in 

 CoH. Druce, the type of the female, now described and figured for the first time, is in 

 vhe Hancock Museum, Newcastle, it was taken near Akyab by Adamson in February, 

 1883, basking on a dead palm branch, and has been very kindly lent to us for figuring. 

 We know of no other record of this very scarce species. 



INDO-MALAYAN ALLIED GENERA AND SPECIES. 



Hidari syhirita, Hesperia gybirita, Hewitson, Ann. Mag. Nat. Hist. 1876, p. 451. Hidari sybirita, 



Distant, Rhop. Malayana, p. 395, pi. 35, tig. 24 (1886). Habitat, Singapore. 

 Hidari hannadus, Astictopterons harmadus, Hewitson, Ann. Mag. Nat. Hist. 1878, p. 341. Hidari 



harmadus, de Niceville and Martin, Journ. As Soc. Bengal, 1895, p. 543. Synonym, Hidari 



staudingeri, Distant, I.e. fig. 25 (1886). Habitat, Perak, Malay Peninsula, Sumatra. 

 Hidari does una, Martin, Einige neue Tagschraett. von Nordost Sum. p. 6 (1895). Habitat, 



Sumatra. 

 Eciion elia, Hesperia elia, Hewitson, Trans. Ent. Soc. 1866, p. 489. Unkana elia, Distant, Ehop. 



Malayana, p. 370, pi. 34, fig. 25 (1886). Eetion elia, de Niceville and Martin, I.e. p. 543. 



Swinhoe, Trans. Ent. Soc. 1908, p. 31. Synonym, Hesperia eberus, Plotz, Berl. ent. Zeit. .xxix. 



p. 226 (1885), unpublished plate No. 1373. Habitat, Malay Peninsula, Sumatra. 

 Eetion martini, Zea martini, Distant, Ann. Mag. Nat. Hist. 1887, p. 274. Eetion martini, de 



Niceville and Martin, I.e. Acerbas martini, Elwes and Edwards, Trans. Zool. Soc. 1897, p. 216, 



pi. 24, fig. 54 (genitalia). Habitat, Malay Peninsula, Sumatra. 

 Eetion magniplaga, Eetion elia magniplaga, Friihstorfer, Iris, 1911, p. 19. Habitat, Kina Balu, 



N. Borneo. 

 Eetion ayankara, Eetion elia ayankara, Friihstorfer, I.e. Habitat, Perak. 



Genus PIRDANA. 



Pirdana, Distant, Rhop. Malayana, p. 376 (1885). Watson, Hesp. Ind. p. 20(1891); id. Proc. Zool. 

 Soc. 1893, p. 116; id. Journ. Bo. Nat. Hist. Soc. ix. 1895, p. 430. Elwes and Edwards, 

 Trans. Zool. Soc. 1897, p. 223. 



Forewing, vein 12 reaches costa well before end of cell, cell nearly two-thirds the 

 length of the costa ; upper discocellular very minute, middle and lower discocellulars 

 inwardly very oblicjue, the middle one much the longer, vein 5 from their junction, 

 curves upwards and ends on the outer margin at an even distance between 4 and 6 ; 

 lower margin of cell straight to its end, vein 3 emitted a little before the end, 2 at 

 about one-third from the base ; costa moderately and evenly arched, the wing narrow 

 and produced, the apex, however, is not acute, outer margin very slightly convex, 

 about as long as the hinder margin. H'mdwlmj, cell short, less than half the breadth 

 of the wing ; vein 7 emitted very clo.se to upper end of cell, its base almost touching 



