94 ?>0\ITATES ZOOLOOICAE XXV. 1918. 



264a. Thyrogonia cyaneotiiitta n. sp. 



-J. Head, thorax, and abdomen black-brown, the last suffused with metallic 

 bine and with white subdorsal spots at base ; antennae \\hite at tijjs ; paljii 

 and forelegs slightly irrorated with blue, the tibiae with some wliite at e.\- 

 tremities ; tlie two basal segments of abdomen with whitish sublateral spots. 

 Forewing lilauk-brown tinged witli purple, the costa tinged A\ith metallic blue- 

 green ; a hyaline white spot in the cell towards extremity, oblique patch below 

 middle of cell, postmedial spot above vein 6 and large spot above vein 2, extend- 

 mg as a minute spot to above vein 3. Hindwing black-brown ; a large hyaline 

 white patch below the ceU and spot above base of vein 2 extending to just above 

 vein 3 ; the underside with some white in the cell. 



$. Wings strongly suffused with metallic purple ; forewing with the spots 

 reduced ; hmdwing with the spot below tlie cell small and no spot above vein 2. 



Hab. Br. C. Africa, Ruo Valley (Neave), 1 J type, I\It. Jllanje (Neave), 

 1 $, Luchenya R. (Neave), 1 v. Exp. 36 mill. 



828a. Chrysostola aurantivena n. sp. 



o. Head and thorax black-brown, the frons, inner side of palpi, and tegulae 

 at base white ; abdomen black-brown glossed with silvery blue-grej', the 2nd 

 segment with subdorsal white patches ; pectus with lateral white patches ; 

 mid and liuid coxae and mid femora on inner side yellow ish white ; ventral surface 

 of abdomen with the liasnl half cream \' white, the terminal half brown. Fore- 

 wing hyaline, the costa and veins orange-yellow, vein 2 and the other veins 

 towards termen with black scales on them ; a minute black discoidal pomt ; 

 the inner margin black with some orange-yeUow on medial part ; the termen and 

 cilia dark brown, the former expanding into a narrow band towards apex. 

 Ifindwing hyaline, the costa and termen orange-yeUow, tlie latter with some 

 blaclc scales on the veins of terminal area ; the main nuirgin and termen « itli 

 fine black line. 



Hah. Brazil, Amazons between Para and Manaos (Pallis), 1 ? type. E.vp. 

 34 mill. 



1095a. Eucereon metathoracica n. sp. 



o. Head and thorax black-brown, the back of head and base and dorsal 

 edge of tegulae yellow, the patagia edged with grey, the metathorax with 

 yellowish white spot ; frons with whitish Ime above ; abdomen crimson, the 

 basal and terminal segments black-brown ; pectus at sides and fore coxae with 

 yellowish white patches ; legs and ventral surface of abdomen red-brown. Fore- 

 wing black-brown ; a yellow spot at base ; antemcciial line yellowish white, 

 very oblique to vein 1 where it is angled outwards ; a quadrate yellowish white 

 spot in middle of cell, diffused below the cell to the antcmcdial Ime ; a yellowish 

 white postmedial band, excurved between veins 5 and ;>, then incurved ; a 

 yellowish white subterminal line, somewhat excurved to vein 5, then incurved 

 and confluent with the postmedial band, ending on termen at submedian fold. 

 Hindwing w ith the basal half hyaline, the inner area with some brown scales ; 

 the veins and termuial half black-brown ; the outer edge of the hyalme area 

 angled outwards below angle of cell. 



Hab. Colombia, Choko Prov., Condoto (Spurrell), 1 <J type. Exp. 40 mill. 



