PEELIDES. 175. 



Capnia nigra, Pictet, Hist. Nat. Neur. Perl. 321, 1, pi. 39. 

 Perla nigra, Pictet, Ann. Sci, Nat. xxviii. 61, pi. 6, f. 11 13. 

 Chloroperla nigra, Neum. Mag. Nat. Hist, new series, iii. 88, 10. 



2. CAPNIA PYGM^EA. 



Abdomen omnino nigrum ; maris ala breves; venae rectce, regulares. 



Semblis pygmaea, Burm. Handb. Ent. ii. 874, 1. 

 Capnia pygmaea, Pictet, Hist. Nat. Neur. Perl. 324, 2, pi. 40, f. 

 13. 



Pennsylvania, Newfoundland. 



3. CAPNIA NECYDALOIDES. 

 Vence ad partem indirectce, irregulares. 



Capnia necydaloides (Kollar, MSS.) Pictet, Hist. Nat. Neur. Perl. 

 326, 3, pi. 40, f. 4, 5. 



North America. 



Sub-genus 2. GKIPOPTERYX. 



Alarum apices venis plurimis transversis reticulatae. 

 Gripopteryx, Pictet, Hist. Nat. Neur. Perl. 319, 327. 



Tips of the wings reticulated with numerous transverse veins : 

 abdomen of the female terminated by claviform appendages. 



4. CAPNIA CANCELLATA. 

 Nigro-fusca ; alee posticce reticulates. 



Capnia cancellata, Pictet, Hist. Nat. Neur. Perl. 328, 4, pi. 41. 

 Brazil. 



5. CAPNIA GBACILIS. 



Cinerea ; alee posticce non reticulate. 

 Semblis gracilis, Burm. Handb. Ent. ii. 876, 8. 

 Capnia gracilis, Pictet, Hist. Nat. Neur. Perl. 330, 5, pi. 42, f. 

 13. 



Brazil. 



