( "'''J ) 



:5()(i. Oryba kadeni. 



I'acliyli" hideni Schaufuss, Xiiiiq. Otins. i. p. 1(1 (1870) (Am. mer.). 



Pachylia robuyta, Boisdnval {mm Walker, 1856), Spec. Gtm. Lep. Hit. i. p. 135. ii. 1 (1875) (Brazil). 



*Oniba impirkills Druce, Ann. .Miuj. X. H. (6). v. p. -'K? (1890) (Pern :— coll. Druce) : Kirl)y. Cut. 



Lep. Hei. i. n. 3(1892). 

 Ornha hideiii, Schaus, Eiit. AVfc.s vi. p. 141 (ISflo) (synoa.) ; Druce, /.'■. Siippl. p. 314. n. -J (IsitC.) 



(Chiriqui). 

 (h-i/h,i rob,<.-<ia, Kirby, Lr. n. ■>. (181)2) (partim) ; Rothsch., Nov. Z<wn,. i. p. 88 (18'.I4) ; Boiiiiingli.. 



Irix xii. p. 120. n. 31 (18;)'.l) (Rio de Jan. ; Para). 



c??. Abdomen witli small lateral tnfts ; seventh (?) or eighth (6) tergitc 

 with long hair-scales whioh form n simple tuft in ? , and an expansible fan in S- 

 Antenna strongly clnbbed ; black, with pale ventral mesial bne. Eye vory 

 large. Abdominal spines broad, close together also on jiosterior tergites. Distiil 

 marginal area of forewing strongly convex ; disc;i! tra[i('zil'orm area sharply defined, 

 bordered with white scaling. 



6. Scent-organ of forecoxa vestigial. Tenth tergite (PI. XLII. f. 2) longer 

 than broad, densely hairy, the lobes about twice as long as broad in middle in 

 dorsal view : sternite (A>) little longer than the tergite. Clasper sole-shaped, with 

 elongate-lanceolate, rather small friction-scales ; harpe not separated from the 

 clasjHT (PI. XLYI. f. 3). Penis-sheath (PI. LIII. f. 13) divided into two 

 slender processes, the incision extended proximad as a groove, each process ending 

 ill a short spine and two hairs, and bearing some short spines at the base ; process 

 of penis-funnel slightly incrassate distally. 



I fad. Chiriqui to Bolivia and Southern ]>ra/.il. 



In the Triiig Museum 7 c?J,2 ? ? from : Peru : (Juanay, Majiiri K., P.olivia, 

 1 .")()( I ft., iii. '95 (Stuart) ; Espirito Santo. 



3(>7. Oryba achemenides. 



S/iliinx aclieMenuhx Cramer, l'<ip. K.i-nl. iii. p. 5:5. t. 225. f. c (1779) (Suriiimi) : i<l., / c p. i:;3. 



t. 205. f. A. li. (1779) : Goeze, Ki,l. lin/t,: iii. 2. p. 22.S. ii. ',13 (1780). 

 Sjiliiii.i- iii-hme)ikh>t (!) Cramer, /.r. 

 I'hnih „rhemeiiHle.i, Hilbner, Ver:. hrh. Srhm. p. l:!S. n. 14H-.' (1822) ; Druce, Ah,i. M'Ii/. -V. //. (C). 



V. p. 214 (1890) (Colombia). 

 Parlri/Iia (icheme,i/cle.<<, Walker, LrXt Leji. Iuk. Ii. .!/. viii. ji. 191. u. 4 (1851')) ; Boisd., l^pec. Gin. Lep. 



Hel. i. p. 1.36. n. 2 (1875) ; Obertb., Et. .VEul. vi. p. ill. t. 5. f. 2 (1881) (TefEe). 

 *Oniba riibuyla Walker, List Lei,, hia. II. M. viii. p. 197. n, 1 (18511) (Brazil :—Mus. Oxford) : 



Kirby, Cat. Lep. Iht. i. p. 678. n. 2 (1892) (partim). 

 (trjilui arhrmcmdey, Kirby, I.e. n. 1 (1892) : Rothsch., Nov. ^^ooi.. i. p. 88 (1894) ("Trinidad" err. 



lor. I) ; Schaus, Eiit. Neim vi. p. 141 (1895) (syuon. ; = robnyla) ; Druce, in Biol. Cetiti: .-\iiier., 



Lej,. Ihl. Siqipl. p. 314. n. 1 (1890) (Honduras). 



c??. Antenna slenderer and longer, and the eye smaller than in kmleni ; the 

 former pale. Abdomen obtuse at end, without tuft, the spines slenderer and, below, 

 weaker than in the iireceding. More uniform in colour ; marginal area of forewing 

 much narrower, the discal area less prominent, the hindwing without distinct 

 liBiids ; distal margin of forewing concave in S ffoui K'- to hinder angle ; H' oi 

 hindwing very long, lower angle of c(dl mucli produced. 



6. Forecoxa with strongly developed scent-organ. Tenth tergite (PI. XLll. 

 f 3) shorter than broad, the lobes very strongly rounded ; processes of sternite 

 {Xr) much longer than the tergite, strongly curved at end. Clasper (PI. XLYI. f. 4) 

 with a peculiar scent-organ ; ventral margin straight, upper one convex, mem- 

 branaceous, swollen, as if being inflated ; the greater part of the clasper covered 



