METAGARISTA. HECATESIA. 593 



and very thickly irrorated with chocolate ; a sinuous antemedial 

 silvery and cliocohite lino, oblique from eostato below cell where it 

 is anfi;led ; the orbicular and reniform olive, with chocolate outline 

 and silvery centres ; the postmedial chocolate line strongly excurved 

 from below costa to below vein 3, then incurved and with some 

 silver on its outer edge, some chocolate suffusion bej'ond it on 

 apical and inner areas : cilia chocolate. ?[ind 'sving deep orange, 

 with black-brown terminal band with slightly sinuous inner edge 

 and some white on terraen towards torn as. Underside of foi'e wing 

 with the basal half orange, with black discoidal spot ; an irregular 

 obiiiiue maculate white band from vein 7 to tornus ; the terminal 

 half black, with some white irroration and chocolate suffusion on 

 costal area. 



Uah. Gold Coast, 1 J type, Aburi (Qarter), 2 d" , 1 ? • /-^x^). 

 66 millim. 



Genus HECATESIA. 



Type. 

 Hecatcsia, Boisd. Men. Zjg. p. 11 (1829) fenestrata. 



Proboscis fully developed ; palpi upturned, the 2nd joint fringed with 

 long hair in front, the 3rd somewhat porrect ; frons with truncate conical 

 prominence with raised rim at extremity and flattened plate below it; anteunje 

 distinctly or strongly dilated towards exti-eniity ; tibise fringed with rou^h hair 

 above ; abdomen with dorsal crests and lateral tufts ; male with protrusible 

 lateral tufts of long hair from base. Fore wing in female with vein 3 from 

 near angle of cell; 5 from above angle; 6 from upper angle; 9 from 10 

 anastomosing with 8 to form the areole; 11 from cell; male with a lar^e 

 glandular dilation on costa beyond middle, vein 12 being curved downwards 

 round it, below vein 12 is an elongate semicircular patch of ribbed membrane 

 a clicking sound being produced probably by friction with the tarsal spines ; 

 the termmal part of subcostal nervure and the veins arising from it strono-ly 

 curved downwards, the aref)le long and narrow, and vei)i 10 strongly anasto- 

 mosing with 8, 9. Hind wing with vein 2 from towards angle of cell ; 3, 4 

 from angle ; 5 obsolescent from middle of discoccUulars ; 6, 7 from upper 

 angle. 



Sect. I. Palpi with the 3rd joint long and naked. 



1 14. Hecatesia thyridion. 



Hecatcsia thyridion, Feisth. Mag. Zool. (2) i. p. 2, pi. 21. f. 1 (1839); 

 Voy. Favorite, v. Suppl. p. 19, pi. v. f. 1 ; White, Grey's Australia, ii. 

 p. 476, pi. 8. f. 1 ; Kirby, Cat. Het. p. 12. 



<S . Aiiteiiino moderately dilated towards extremity: head and 

 thorax dark chocolate-brown ; palpi in front, sides of frons, stripes 

 on back of head, tegulse, and patagia pale yellow ; antenna; annu- 

 lated with white ; pectus clothed with brown hair ; legs black-brown, 

 ringed with white and with tufts of orange hair on fore tibiaj ; 

 abdomen orange, the dorsal crests and lateral spots black ; some 

 white at base of dorsum, rhc ventral surface brown at base, banded 

 black and white on terminal hiilf, the nnal tuft blackish iit extremity. 

 Fore wing dark chocolate-brown ; an obli(iue subbasal yellowish- 

 VOL. III. 2 Q 



