PERLIDES. 159 



ai^. PtllLA LITUUA. 



Al(C nigue. 

 Perla litura, Pictct, Hist. Xat. Neur. Perl. 24*2, 37, pi. 24, f. 1— 3. 



Mexico. 



Sub-group 5. 



Species mediocres vel piirvie, flavae vel fuscae, leie unicolores. 

 Protliorax nii,^osus, laleribus rectis vel sinuatis. AIeb plus minusve 

 limpidcE, vcnis corporis colore. 



Species of miiMle or small size : protborax rugose, with straight 

 or sinualcd sides ; general colour yellow or brown, almost uniform : 

 wings more or less colourless ; veins of the ground colour. 



Div. 1. ' 



Color corporis et alarum pallide flavus. 



(30. Perla. Xanthenes. 



Lutea ; ocelli 3 nigro cincti ; antenna; Jlavo; ; prothorax quatlra- 

 tus, postice valde angustior. 



l^erla Xantbenes, Neivm. Ent. Mag. v. 178; Mag. Nat. Hist, new 

 serirx, iii. .3.3, 3. Pictct, Hist. Nat. Neur. Perl. 245, 38, pi. 

 21, f. 3,4. 



a, h. Georgia. From Mr. Abbot's collection. 



CA. Peula hvalina. 



Ocelli pnstici nigro cincti ; antenna- fnsca:. 



I'erla bvalina {Kollar, MSS.}, Pirtct, Hint. Nat. Neur. Perl. 247. 

 .31),' pi. 21, f. 5—8. 



Brazil. 



