26 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 119 



vibulena, not as dark brown in ground color and with red along inner 

 side of postmedian band absent as in that species but with the lunular 

 markmg adjacent to outer side of W-shaped portion of postmedian 

 band in interspace Cu2 dark red Avith very little fuscous. 



Length of forewing 11.5-12 nun. 



Male genitalia, as illustrated by figure 13, with aedeagus nearly 

 straight, slightly upturned at distal end; saccus not as long as harpe; 

 foreward bend of vinculum below middle; lateral lobe of uncus with 

 distal margin nearly straight, only slightly convex and shortened, 

 being about same length as lower margin and forming nearly a right 

 angle with lower margin, which is slightly concave; inner surface of 

 gnathos arm with carina pointed and much nearer distal end than in 

 vibulena. Eighth tergite (fig. 207?,) with posterior margin undulate 

 with a very shallow posterior concavity. 



Female (figs. 119, 120). — Wings above similar to male, the blue 

 color almost as brilliant and restricted in hindwing to the base, the 

 cell, and area below vein Mg; the blue in the forewing, as in the male, 

 covering base of wing below cell and vein Cu2 mth a few scattered 

 blue scales in lower half of cell and in interspace Cui near cell; hind- 

 wing with a submarginal white to bluish-white line below vein M3 

 (this line absent in the male) ; dark border broken mto three individual 

 spots below vein Mg. Wings beneath similar to male with red 

 markings larger. 



Length of forewing 12 mm. 



Female genitalia, as illustrated by figure 29, with combined length 

 of ductus bursae and bursa copulatrix five times the width of ostium 

 bursae, the posterior ostium bursae lobes forming spurs that are closer 

 to one another than in C. fractunda; ductus seminalis from near middle 

 of combined ductus bursae and bursa copulatrix. 



Type-localities. — For vitruvia: Belem ("Para"), State of Par^, 

 Brazil. For fortuna: "Yurimaguas," Department of Loreta, Peru. 



Additional type data. — Vitruvia was apparently originally 

 described from a smgle male, the holotype (locality as given above; 

 Hewitson Collection; British Museum (Natural History) type No. 

 Rh. 900; genitalia preparation number NHB 1951 484.) Fortuna 

 was apparently described from at least two male specimens as the 

 localities given in the original description are "Yurimaguas, Peru" 

 and "Topajos, Amazona." The specimen from Peru bears a type 

 label and the British Museum (Natural History) type number Rh. 

 902. I designate this specimen the lectotype. 



Note on synonymy. — Mr. D. S. Fletcher dissected and compared 

 the types of both vitruvia and oi jortuna and found the latter to be a 

 synonym. A third specimen compared with these types and found 



