142 PERLIDES. 



Nat. iii. 395. De Vill. Linn. Ent. iii. 24, 1. Cederhielm, 



.Faun. Ingr. Prodr. 136, 414. 

 Semblis bicaudata ? Fabr. Ent. Syst. ii. 73, 8. 

 Semblis bicaudata, Panz. Faun. Ins. Ixxxi. 4. 

 Perla bicaudata, Geoffr. Hist. Nat. ii. 230, 1, pi. 13, f. 2. Fourcr. 



Ent. Par. 349, 1. Lair. Hist. Nat. Ins. xiii. 49, 2. Regne 



Anim. Cuv. v. 158. Steph. ILL Brit. Ent. Mand. vi. 136, 3. 



Zett. Ins. Lapp. 1057. Guer. Icon. Regne Anim. Ins. pi. 



63, f. 6. 



Diura bicaudata, Billberg. 

 Perla microcephala, Pictet, Ann. Sci. Nat. xxviii. pi. 6, f. 4, 5. 



Hist. Nat. Neur. Perl 155, 2, pi. 7, f. 913. Burm. Handb. 



Ent. ii. 878, 2. 



Perla Cymodoce, Neurni. Mag. Nat. Hist. iii. 37. 

 Perla Parisina, Ramb. Hist. Nat. Ins. Neur. 450, 1. 

 Perla proxima, var. ? Ramb. Hist Nat. Ins. Neur. 451, 2. 

 Perla dispar, var. ? Ramb. Hist. Nat. Ins. Neur. 451, 3. 

 Perla dubia, var. ? Ramb. Hist. Nat. Ins. Neur. 453, 6. 

 Perla angustata, var. ? Ramb. Hist. Nat. Ins. Neur. 453, 8. 



a d. Dartmoor. From Dr. Leach's collection. 

 e h. England. 

 i. France. 

 j. South France. 



3. PERLA RECTA NGU LA. 



Flava ; prothorax longitudine multo fatius, vitta flava ; regio sub- 

 mar ginalis rectangulis sat regularibus reticulata. 



Perla rectangula, Pictet, Hist. Nat. Neur. Perl. 159, 3, pi. 8, f. 13. 

 Turin. 



4. PERLA HISPANICA. 



Perla hispanica, Ramb. Hist. Nat. Ins. Neur. 452 y 4. 

 Madrid. 



5. PERLA MALACCENCIS. 

 Perla Malaccensis, Ramb. Hist. Nat. Ins. Neur. 453, 7. 



Malaga. 



6. PERLA ALPINA. 



Fusca ; prothorax longitudine vix latius, vitta fiava ; alee subfuscce, 

 apud costam fulvae. 



Perla alpina, Pictet, Hist. Nat. Neur. Perl. 161, 4, pi. 8, f. 47. 

 Swiss Alps. 



