390 PROCEEDING^ OF THE NATIONAL MUSEUM. vol.59. 



and crossing a broad reddish shade from vein 2 to inner margin, 

 also followed by some faint grayish shades; terminal space finely 

 irrorated with red; subterminal dark streaks obliquely outbent from 

 black points below veins; costa finely dark reddish; a round silver 

 spot in cell, followed by a much larger silver spot around discocel- 

 lular, containing some irregular fine red lines; some gray and white 

 shading at apex preceded by a silver lunule between veins 7 and 8, a 

 small spot above it, and a still smaller one just below vein 7. Hind 

 wings white. Wings below white the cilia of forewing reddish brown. 



Expanse. — 63 mm. 



Habitat. — Cayuga, Guatemala. 



Type.— Cat. No. 23443, U.S.N.M. 



Family LIMACODIDAE. 



PEROLA JORGENSENI, new species. 



Male. — Palpi gray, shaded with fuscous in front. Head and collar 

 light reddish brown. Thorax brownish clay color, the patagia tipped 

 with reddish brown and gray. Abdomen with dorsal light reddish 

 brown tufts. Fore wings brownish clay color tinged with lilacine 

 and somewhat irridescent; a few scattered black irrorations, forming 

 a small subterminal spot on vein 3; two postmedial, parallel fuscous 

 lines slightly outcurved on costa, then slightly inbent to inner margin, 

 and with fine black lines on veins. Hind wings luteous with a few 

 scattered dark irrorations. Wings below luteous. 



Expanse. — 20 mm. 



Habitat. — Formosa, Argentina. 



Type.— Cat. No. 23425, U.S.N.M. 



Received from Don Pedro Jorgensen. 



Family COSSIDAE. 



HEMIPECTRONA, new name. 



New name for Hemipecten Dyar (Proc. U. S. Nat. Mus., vol. 29, 1905, p. 177) not 



Adams Reeves (1848) 

 HEMIPECTRONA JULIUS, new species. 



Male. — Body and fore wings creamy white; tufts on vertex mottled 

 with light brown and fuscous; a pale brown patch on patagia ante- 

 riorly; pale brown irrorations on thorax and abdomen dorsally. 

 Fore wings long, the outer margin very oblique, the tornus rounded ; 

 grayish brown shading on costal and outer margins; a similar streak 

 along vein 8 terminally; a broader shade from vein 7 terminally to 

 vein 2; the inner margin broadly shaded with whitish ocher; medi- 

 ally in cell a large dark cinnamon brown spot, inwardly edged by a 

 black line, its anterior edge rounded and broad, its posterior edge 

 on outer side incurved and descending below cell, its proximal edge 

 less incurved, making the spot greatly constricted behind and ter- 



