PERLIDES. ]79 



Sect. 2. 



Femora fluva, fiisco vittata aut maculata. Ala; hyalinae, maris 

 longae ; venae robustoe. 



4. NeMOUUA PILETEXTATA. 



Femora basi ad apiccju fusco vittata. 



Semblis pratextata, Bvrm. Handb. Ent. ii, b75, 5. 

 Nemoura prcctextata, Pictet, Hist. Nat. Kenr. Perl. 355, 3, j>l. 45, 

 f. 7—9. 



Europe. 



5. Nemoura fasciata. 



Femora Jiava, apice fusca. 



Semblis fasciata, Burm. Handb. Ent. ii. 875, 6. 

 Nemoura fasciata, Pictet^ Hist. Nat. Neur. Perl. 359, 5, pi. 40, f. 

 4,5. 



Pennsylvania. 



Div. 2. 



Alae fasciis nullis cinereis. 



6. Nemoura monilicorms. 



Fusca; antenna annidis distinctis. 



Nemoura monilicornis, Pictety Hist. Nat. Nnir. Perl. 357, 4, pi. 40, 

 f. 1—3. 



Switzerland, Banks of the Arve. 



7. Nemoura maira. 



Nigra ; antenna annulis indistinctis. 

 Nemoura maura, Pictct, Hist. Nat. Near. Perl. 3(il, ti, pi. It-, f. t>. 

 Var. P a — c. St. Martin's Falls, Albany River, Hiulson'> Bay Pre- 

 sented by G. Barnston, Esq. 



