RY R. ,T. TILLYAIU). 3fi9 



iiiwarcis basallv near iiiteralar ricl<2[o; this inner extension beinf^ 

 slightlv clijiifled with grev. Sides bright leiuon-ycllow, with two 

 very irreguhir metallic black bands in sutures. Notiim downy, 

 wing-bases broadly black with a conspicuous yellow spot on hind 

 wing-bases, scuta and scutella yellow. Legs long, black, except 

 eoxai, which are yellow, also foretrochanters, part of underside of 

 profeniora, and part of raidtrochauters yellow; tibial keel of fore- 

 legs !'•") mm. long. Abdomen : \-'l enlarged, 3 pinched, 4-7 

 rather broad, S-10 narrower. Colour : 1, bright lemon-v^ellow; 

 2, steely black, with a central transverse yellow band just broken 

 dor.sally; 3-10 black, with steel}' and greenish metallic reflections, 

 marketl with l)right lemon-yellow as follows — 3, on each side a 

 long stripe crossed at the middle by a black line on the supple- 

 mentary carina; 4, two large basal marks reaching to supple- 

 mentary carina, 2 mm. long, and isolating a narrow irregulai- 

 dorsal band; .">, two smaller basal spots nearly meeting dorsally, 

 also two tiny central flecks; 6 similar to ."), basal sjiots somewhat 

 narrower, central flecks reduced to points (sometimes absent); 7, 

 basal half yellow, with a flne black dorsal line, the junctiun oj 

 the black and yellow very irregular; 8, a small basal spot low 

 down on each side; 9, black; 10, basal suture yellowish, a con- 

 spicuous apical yellow spot. Appendages: superior long, 

 3'7 mm., with many small hairs, black, very wavy; basal fourth 

 slender, with a sharp and conspicuous inner inferior spine; second 

 quarter widening and curving outwards; third quarter still wide, 

 curving inwards; apical quarter tapering to tips, which are fairly 

 pointed. Seen in profile, the second half is much depressed below 

 level of first half. Inferior short, scarcely 2 mm., black, narrow- 

 triangular, hairy beneath, concave above. (Plate x., figs. 5-6). 



5. Total length, 51; abdomen, 39; hindwing, 34 mm. Similar 

 to male, but with shorter and more cylindrical abdomen; 1-2 

 somewhat enlai-ged (in jirofile, 1, 2 and half of 3 much swollen), 

 3-6 quiti? cylindrical, 7-10 tapering slightly. Colour : 1, yellow; 

 2, yelltnv, with a rectilinear basal black patch and large triangular 

 apical black patch spreading irregularly down over the sides; 3, 

 as in (J. l)ut with dorsal black area much wider; 4-10 as in X. 

 Vulvar lamina ; 8 ending in two small rounded processes, briglit 



