152 PERLIDES. 



Div. 2. 



Areola costalis areolis reliquis multo magis colorata. 



37. Pekla Selysii. 



Al(e concinne fuscce. 

 Perla Selysii, Pictet, Hist. Nat. Neur. Perl. 208, 20, pi. 17, f. 5. 

 Liege- 



38. Peela ltmbata. 

 Abdomen rufescens ; pedes fusci ; alee obscure fuscce. 



Perla limbata, Pictet, Hist. Nat. Neur. Perl. 219, 26, pi. 19, f. 



1-5. 

 Japan. 



39. Perla infuscata. 

 Fusca ; pedes nigri ; alee nigricantes, costis omnibus jiavis. 

 Isogenus infuscalus, Newm. Ent. Mag. v. 499 ; Mag. Nat. Hist. iii. 



85 ; Zool. iii. 852. 

 Perla infiiscata, Pictet, Hist. Nat. Neur. Perl. 221,27, pi. 19, f. 

 6—11. 



a. Hong-Kong. Presented by J. C. Bowring, Esq. 



b. North China. From Mr. Fortune's collection. 



c. China. From Mr. Stevens's collection. 



40. Perla Lycorl\s. 



Perla Lycorias, Newm. Mag. Nat. Hist. iii. 85. Pictet, Hist. Nat. 

 Neur. Perl. 214. 



a. Trenton Falls. Presented by the Entomological Club. 



41. Perla internata, 



Fuscescens, subtus fiava ; caput thorace paullo latius, fasciis dua- 

 bus undatis Jlavo signatis luteis ; anlennce fulvce ; prothorax 

 rugulosus, lateribus rectis vittaque testaceis, angulis acutis ; 

 pedes fulvi ; alee subhgalincB. 



Brownish, yellow beneath : head a little broader than the tho- 

 rax, with two undulating yellow-marked luteous bands on the disk : 



