( 419 ) 



without free projecting process. Penis-slieatli (PI. LIV. f. 4) : ;i low dentiite 

 ritlge ixt the right side, rather long ; the membrauaceoas lobe on the left side not 

 much projecting, the rather broad whip multidentate. Armature of penis-funnel 

 (PI. LII. f. 47) as in nictitans ; there is a single dentate process on each side, 

 the processes curving towards each other, touching one another (or nearly so) 

 above the opening for tlie i)euis-sheath. Ou the ventral side of the funnel there is 

 a mesial carina rising distally into a prominent tubercle ; this carina is rough witli 

 minute teeth. 



? . Not dissected. 



Hah. Mexico to Bolivia. 



In the Tring ]\Iuseum 2 S <S from Chiri(|ui. 



In coll. Staudinger 'J c?c?, 2 ? ? from : Ohiriiiui ; 1{. Juntas, Bolivia, 1000 m., 

 and Callanga, Peru, 1500 m. (Garlepp). 



In coll. Schaus from Orizaba, Mexico. 



352. Nyceryx maxwelli. 



' Pachygnnia maxwelli Rothschild, Nov. ZoOL. iii. p. 2 (1896) (San Augustin, Bolivia : — Mus. Tring). 

 Pdclii/goiiia stuarti id., I.e. t. xiii. f. 3 (18'JG) (laps, calami). 



cj. Larger than continua ; apex of hindwing reddish, abdominal area In-own, 

 the yellow colour stopping at (SM'). Harpe similar to that of tacita (PI. XLII. 

 f 2). Penis-sheath (PI. LIV. f. 3) with a compressed, obtuse, dentate process 

 at the right side ; the dentate lobe or ridge of the left side evenly rounded ; 

 whip long, with several apical teeth. Armature of penis-funnel (PI. LIII. f. 46) 

 essentially different from that of the allied forms ; the funnel itself produced ou 

 each side into an acute rugate process ; laterally of tliis there is a very densely 

 denticulate lobe, curving laterad apically. 



? . Not known. 



Hah. Bolivia ; Peru. 



In the Tring Museum 'I S S from : San Augustin, Majjiri !{., Piolivia, :^500 ft., 

 Sept. 1895 (Arthur Maxwell Stuart) ; St. Domingo, S.E. Peru (Ockeuden). 



Only these two specimens known as yet. The Peru individual is more grey on 

 the upperside of tlie forewing than the type, less variegated ou forewing below, and 

 ditiers in other details. 



35:\ Nyceryx nictitans. 



*Perigoiiia n/ctitaii.s Boisduval, Sper. den. Lep. Hi'l. i. p. 32:^. n. 4 ( l.sT.^j) (Jlinas Geraus ; — coll. 



Charles Oberthiii). 

 Parhygonin iiictitaiix, Butler, Traiia. Zoal.Suc. Lund. i.\. p. 033 (1877) ; Kirby, Cal. Lep. lint. i. p. I)3X. 



n. 5 (181)2). 

 Perigoiiiii spec, Biinninghausen, Iris xii. p. 133 (1899) (Rio Grande do Sul). 



S ?. Abdomen below with two black, thin but distinct lines, occasionally with 

 a third line in middle. Stigma of forewing minute, with a white dot at its 

 proximal side : brown discal shade from costal to outer margin nearly as in cojfear. 

 Oehraceous-rufous area of hindwing with traces of brown lines and a brown stigmn- ; 

 abdominal area blackish brown, shaded with grey. 



$ . Tenth abdominal segment : tergite obtuse in lateral view (PI. XLI. f 24) ; 

 on inner surface a feeble carina which is raised apically into an indistinct tootli ; 

 steruite very slender, armed with a heavy tooth before tlie long apical hook, which 

 is almost horizontal ; this tooth is flattened horizontally, being broader in a ventral 



