118 Mr. Butler (/// tlic Lepldopterous rjenas Uioptis. 



Dioptis I aeon. 



Phalama meon, Cranu-r, Pap. Exot. 1, p. 118; pi. LXXI, iig. 

 F (1779). 



Dioptis meou, Hlibner, Verz. bek. iSclimett. p. 174, u. 1793 

 (1816). 



Laurnna vieon, Walker, Cat. Lep. Het. 7, p. 1653 (1856). 



Surinam. 



Dlojdis phelotdes. 



MonocrecK/ra pheloulcs, Felder, Reise der Xov. Lep. 4, Talj. 

 CV, fig. 7 (1874). 

 Hab.— 1 



Genus Laurona. Wallicr. 



Group 10 (part) hyrmina, and 11 Lauron, Walker. 



In this genus the median branches of secondaries are all 

 separate ; the sexes are also dissimilar. 



LtmroiKi viii(i.'<(i. 



Sphinx vinusa, Drury, 111. Exot. Eut. p. 47 ; pi. 23. fig. 4. 

 Callimorpha 1 vinosa, Westwood, ed. Drury, 1. c. 

 Dioptis (Hi/nnina) vinosa, Walker, Cat. Lep. Het. 2, p. 332, 

 n. 22 (1854). 



"Antigua" Drur//. Hab.— 1 B.M. 



Liaurona rica. 



Dioptis rlca, Hiibner, Samml. Exot. Schmett. Zutr. figs. 531, 

 532 (1806). 



Dioptis {Lauron) rlca, Walker, Cat. Lep. Het. 2, p. 333, n. 

 23 (1854). 



^ Sta Martha {Bouchard), $ A^cnezuela {Dijson). B.M. 



Several species were confounded under this name by Mr. 

 Walker. 



Laurona panainensls, n. sp. 

 ^ Intermediate in character between L. rlca and L. syma. 

 Wings greyish hyaline, veins black ; primaries with the 

 apical half black, crossed through its centre by an obHque 



