( cxvi ) 



parallel ; they may diverge slightly towards the distal margin, 

 as in C. ctemene, C. tsisamnus, C. semiramis and C. chrysolopha. 

 Rarely they show a slight distal convergence, as in C. tomyris 

 and sometimes in C. comjiu. The lamina in (!. mmn'o is 

 heavily pigmented. 



Two points with regard to the fimbriae in this genus remain 

 to be noted. In C. ffisa, and to a somewhat less degree in 

 C. philone, these distal structures have a beaded appearance, 

 as if furnished with a row of orifices, or perhaps with a 

 scalariform framework. In C. corcyra they are sometimes 

 plainly bifid, l)ut in ('. chrysolo'pha they are arranged in 

 groups, each group with a common stem. 



It would not, I think, be surjirising if the scent-scales in 

 Euterpe were like those in the three j»receding genera. As a 

 matter of fact they are very different. The lamina in all 

 species of Euter^ie is long and narrow, the distal border is 

 straight or very slightly convex, the sides taper more or less 

 gradually into a comparatively stout footstalk, which opens 

 proximally into a moderate-sized disc. Slight specific differ- 

 ences are present ; in ^. appyroximata the sides of the lamina 

 are nearly parallel, in E. critias and E. rosacea there is slight 

 lateral compression, in E. tereas the lamina tapers gi-adually 

 into the footstalk, the base being scarcely marked. In 

 E. negrina the fimbriae are very short, perhaps barely separ- 

 ated ; in E. rosacea they are longer than in the rest of the 

 genus. There are some indications of an unequal distribution 

 of scent-scales in at least one species of Euterpe, viz. E. eritias, 

 but I have not at present come upon anything in these species 

 deserving to be called a sex-brand. 



The plume-scales in Leptophobia, another neotropical genus, 

 form a very natural group, chiefly characterised by the 

 minuteness of the accessory disc. This takes throughout the 

 genus the form of a hardly perceptible expansion of the 

 footstalk ; a proximal orifice is apparent in some of the 

 species, e. g. L. semicaesia and L. ienuiconiis. In Leptophobia 

 pentliica the plume-scales appear to be scanty in the white 

 area of the wing, and abundant in the black. This may also 

 be the case with other species of the genus. The laminae are 

 rather long in proportion to their breadth, though much less 



