GEBYDIN^. 187 



elongated, widened and compressed ; claws minute. Forewing long and narrow, costa 

 well arched, apex acute, hinder margin bisinuate more than three-fourths the length of 

 the costa, vein 5 arising equidistant between veins 4 and 7, vein 6 from underside 

 of 7 beyond end of cell, upper discocellular therefore absent, vein 8 absent, 9 from 

 the middle of 7, 10 from sub-costal a little before apex of cell, 10 ending on costal 

 margin above upper end of the cell. Hindwing long, pear-shaped, costa arched near 

 apex and base, outer margin rounded, lower angle rounded, abdominal margin nearly 

 straight ; cell short, discocellulars faintly indicated, vein 6 from 7 beyond upper end of 

 cell, 8 long and strongly curved at base, thence bisinuate to apex. 

 Type, Gerydus symethus, Cramer. 



GERYDUS SYMETHUS. 

 Plate 612, figs. 1, ^, la, ?, lb, ?. 



Papilio sijmethus, Cramer, Pap. Exot. ii. pi. 149, figs. B, C, ? (1779). Stoll. Suppl. -Cramer, pi. 37, 

 figs. 3, 3c, $ (1790). Fabricius, Sp. Ins. ii. p. 119 (1781) ; id. Mant. Ins. ii. p. 69 (1787). 



Hesperia symethus, Fabricius, Ent. Syst. iii. (i.) p. 280 (1793). 



Polyommatus symethus, Godart, Enc. Meth. ix. p. 675 (1823). 



Gerydus symethus, Boisduval, Sp. Gen. i. pi. 23, figs. 2, ? , 2a, 2b, tarsi fore leg, $ ? (1836). Butler, 

 Cat. Fabr. p. 160 (1869); id. Trans. Linn. Soc. Zool. 1877, p. 546. Distant, Ehop. Malayana, 

 p. 205, pi. 20, fig. 2, $ , pi. 22, fig. 14, ? (1884). de Niceville, Butt, of India, iii. p. 22 (1890). 

 "Watson, Journ. Bo. Nat. Hist. Soc. 1891, p. 43. Elwes, Proc. Zool. Soc. 1892, p. 617. 

 Bingham, Fauna of Brit. India, Butt. ii. p. 290 (1907). 



Myletus symethus, Snellen, Tijd. voor Ent. xix. p. 152 (1876). 



Symetha pandu, Horsfield, Cat. Lep. E.I.C. pi. 2, figs. 2, (J , 2a, ? , 2b to 2i (structure of imago) 

 (1828). 



Miletus zinclcenii, Felder, Reise, Nov. Lep. ii. p. 284, pi. 35, fig. 34, $ (1865). 



Imago. — Male. Upperside blackish-brown. Forewing with a large white patch in 

 the centre, its upper margin having a small tooth projecting upwards in its middle, 

 its borders irregularly sinuous, a long white streak immediately below the patch, 

 sometimes attached to it, sometimes more or less separated ; the upper, apical, and 

 outer portions of the wing darker blackish. Hindwing uniform blackish-brown, a 

 broad whitish streak beyond the cell, sometimes extending nearly to the outer margin, 

 often obscure, sometimes absent. Underside very pale with an ochreous tinge. 

 Foreicing with the patch as above, often larger, a blackish patch on the lower basal 

 half; obscure, transverse, sinuous pale lines, two at base, and two or three on the 

 costal apical area, a sub-terminal series of slightly lunular small brown marks. 

 Hindwing crossed by a number of obscure, sinuous, brown and whitish lines, a 

 sub-terminal series of brownish slender lunules, the centre of the wing generally the 



