EPHEMERIN^Ei 575 



9. CLOEON FASCIATA. 

 Alee distinctissime fasciatce. 



Cloe fasciata (Kollar, MSS.) Pictet, Hist. Nat. Neur. Eph. 262, 9, 

 pi. 41, f. 4. 



Brazil. 



10. CLOEON UNDATA. 

 Alee quatuor maculis nebulosis. 



Cloe undata, Pictet, Hist. Nat. Neur. Eph. 264, 10, pi. 41, f. 6. 

 Switzerland. 



B. Alae dua?. 



11. CLOEON DIPTERA. 



Pallide rufescente-cinerea, segmentorum marginibus fuscescentibus ; 

 setis fusco punctatis ; alls hyalinis, costa flavescente-fusco, albo 

 marmorata, posticis nullis. 



Ephemera diptera, Linn. Syst. Nat. Ed. 12, ii. 907, 11. Gmel. Ed- 

 Syst. Nat. i. 5, 2630, 11. Deg. Ins. ii. 2, 650, 5, pi. 18, f. 5 

 7, fern., 810 mas. Retz, Gen. Deg. 57, 184. Schrank, 

 Faun. Boic. 1947. De Vill. Linn. Ent. iii. 22, 21. Rossi, 

 Faun. Etrusc. 677. Oliv. Enc. Meth. vi. 420, 16. Fair. Ent. 

 Syst. ii. 71, 16. Latr. Hist. Nat. Crust, et Ins. xiii. 99, 19. 

 Shaw, Gen. Zool. vi. 253. ZeLt. Ins. Lapp. 1046. Blanch. 

 Hist. Nat. Ins. iii. 54, 11. 



Ephemera annulata, Mull. Zool. Dan. Prodr. 143, 1652, fern. 



Ephemera striata ? Mull. Zool. Dan. Prodr. 143, 1651, mas? 



Cloe'on pallida, Leach, Edin. Encycl. ix. 137. 



Cloeon marmoratum, Curt. Phil. Mag. 1834, 121. 



Cloe'on obscurum, Curt. Phil. Mag. 1834, 121, Subimago. 



Cloeon unicolor? Curt. Phil. Mag. 1834. 



Cloeon dipterum, Steph. III. Brit. Ent. Mand. vi. 67, 1. 



3D 2 



