176 NOCTUTD^. 



Sect. III. (Exarnis). Antennae of male bipectinate, -witli short fasciculate 

 branches, the apical part serrate. 

 A. Hind wing white, the terminal area often tinged with 

 brown. 



a. Fore wing with the veins of terminal area defined by 



pale dentate marks. 

 a^. Olaviform large. 



a^. Claviform elongate, pointed at extremity, filled 



in by dark colour sjyinifera. 



b~. Claviform rounded at extremity, defined by black. \_fictilis. 



o3. Orbicular rounded, reniform large ohelisca ab. 



W. Orbicular narrow, oblique, reniform small distiiiguenda. 



h^. Claviform small, short chrMq'phi. 



b. Fore wing with the veins of terminal area not defined 



by pale dentate marks. 



a^. Fore wing with the veins streaked with white edmondsi. 



b^. Fore wing with the veins not streaked with white, 

 a*. Fore wing with the costal area ochreous white 

 to the postmedial line. 

 a^. Fore wing with the orbicular elongate and pro- 

 duced towards base jn-oleuca. 



b^. Fore wing with the orbicular rounded hast if era. 



6^. Fore wing without ochreous-white fascia on costal 

 area. 

 a^. Foi'e wing with well-defined blackish fascia in 

 cell between the stigmata. 

 a*. Fore wing with the antemedial line strongly 



angled outwards in cell lutescens. 



b*. Fore wing with the antemedial line not 



angled outwards in cell araucaria. 



b^. Fore wing without well-defined blackish fascia 

 in cell, 

 a*. Fore wing with the transverse lines present. 

 a^. Fore wing with the stigmata well defined. 

 a""'. Fore wing with the orbicular large, 



more or less rouiaded obelisca. 



b^. Fore wing with the orbicular small. 

 cC . Fore wing with the orbicular elongate 



and produced to a point radius. 



W. Fore wing with the orbicular rounded 

 or elliptical. 

 a^. Fore wing with the ground-colour 



a^. Fore wing with the subtermmal 

 line formed by a series of small 



dentate marks poliotis. 



5". Fore wing with the subterminal 



line not dentate armena. 



b''. Fore wing with the ground-colour 

 more or less tinged with rufous. 

 a^. Fore wing with the postmedial 

 line produced to points on the 



veins , brachyfecten. 



W. Fore wing with the postmedial 

 line minutely dentate. 

 d}^. Fore wing with the postmedial 

 line angled inwards in sub- 

 median fold coquiinbensis. 



6^". Fore wing with the postmedial 

 line not angled inwards in sub- 

 median fold americana. 



