PKRLIDKS. 1 ii* 



Sect. 2. 

 Prothorax nigricans. Alae obscure luhcae. 



Subsect. 1. 

 Alae semibyalinsD, venis robustis. Aldonicn lusco variuni. 



'23. Pkrla ckphai.otes. 



Pruthorax pannis, capite angiistlor. 

 Perla cepbalotcs, Curt. Brit. Ent. iv. pi. 100. Steph. 111. Brit. lint. 



Maud. \i. 13(), -J. Nexvm. Maij. Nat. Hist. iii. 36. Pim-t. 



Hist. Nat. Neur. Perl. 19(i, U), j)l. 14, lo. 

 Perla bipunctata, Ranur, Gtn. pi. 24, f. S. Sulzer, Aln/th. 



Geschichte, pi. 24, f. 8. Bxrin. Handb. Ent. ii. 881, \o. 

 a. ? From Mr. Cbildrcns collection. 



26. Perla maiujinata. 



Magna ,• caput et prothorax fusco varia ; caput obscure fu.'unni. 

 macula nigra non bene detenninata ; prothorax magnu.'<, capi- 

 tis latiludine ; veme fusc(e ; abdomen fulvnin^fusco-obscHrnui . 

 set(e caudales alis occulta. 



Perla marginata, Muraldt, Ephem. Nat. Cur. Dec. 2, An. 2, 1683, 

 191, f. 16— 19. Fabr. Ent. Si/st. ii. 73, 7. Hummel. E.<isais 

 Ent. 2. Pictet, Ann. Sci. Nat. xxviii. pi. 5, f. 1—3. Hist. 

 Nat. Neur. Perl. 200, 17, pi. 16, W 1—4; pi. 17, f. I. 2. 

 Steph. III. lirit. Ent. Mand. vi. 135, 1. Nercm. Mug. .\<it. 

 Hist. iii. 3;3. Zetl. Ins. Lapp. 1057, 1. liurm. Handb. Ent. 

 ii. 880, 11. 



Perla bicaudata, Sulzer, Ins. pi. 17, f. 104. 



Perla maxima, Scopoli., Ent. Cam. 2(59, 705. 



Perla grandis, Rumb. Hist. Nat. 7«.s, Neur. 454, 9. 



Sc'm])lis marginata. Pan:. Faun. Ins. Germ. Ixxi. 3. 



Pliryganca marginata, I'urt. Sgst. Nut. iii. 395. 



'/. Dartmoor. From Dr. Leacb's eolleetion. 



b. llbeinwald. Presented by the Entomological Club. 



O o 



