EPHEMERIN.E. 577 



15. Cloeon discolor, Fern. 



Cinerea, subius pallida; filamenta longius pilosa ; alee infuscata. 

 ciliatce, costa obscuriori. Long. 2f lin. 



Onycypha discolor, Burnt. Handb. Ent. ii. 2, 797,3. 

 Cloe obscura? Ramb. Hist. Nat. Ins. Neur. 297, 1. 



Cape. 



16. Cloeon halterata, Mas. 



Pallida ; oculi medii maximi rubri ; abdomen apice ochraceum ; 

 filamenta alba, subcingulata. Long. 2g lin. 



Ephemera halterata, Fabr. Ent. Syst. ii. 69, 6. Deg. Ins. ii. 2, 27, 



pi. 17, f. 17, 18. 

 Cloe halterata, Burm. Handb. Ent. ii. 2, 798, 3. Ramb. Hist. 



Nat. Ins. Neur. 299, 6. 



Europe. 



Var.? 



Cloe brunnea, Ramb. Hist. Nat. Ins. Neur. 298, 3. 



Larger than C. obscura, Kamb. : body dull reddish, with paler 

 legs : appendages of the male short, slightly diverging, not opposed, 

 their tips short, somewhat pointed : wings brownish, fringed ; second 

 vein rather deeply bent after the middle. 



South Spain. 



Var.? 



Cloe subinfuscata, Ramb. Hist. Nat. Ins. Neur. 298, 2. 



Much larger than C. obscura, Ramb., which in other respects 

 it just resembles : veins of wings thicker; extremity of costal space 

 broader ; second vein after the middle much more bent, so that the 

 following space is broader. 



South France. 



3 d 3 



