548 EPHE MERINO. 



Ephemera maroccana ? Fabr. Ent. Syst. ii. 69, 3. 

 Palingenia horaria, Burm. Handb. Ent. ii. 802, 1. 

 Ephemera albipennis, Latr. Regne Anim. de Cuv. v. 252. Ramb. 



Hist. Nat. Neuropt. 296. Westw. Intr. Class. Ins. ii. 33. 



Blanch. Cours Hist. Nat. iii. 54. 

 Ephemera plumosa ? Mull. Zool. Dan. Prodr. 244. 



Ephemera, &c., Villa, Comparsa Periodica delle Efimere nella 

 Brianza, 1847. 



a. Rhine. Presented by F. Bond, Esq. 



2. PALINGENIA PUELLA. 



Corpus flavum, immaculatum ; prothorax latior quam longior ; 

 seta caudalis media brevissima sed distincta ; alee hyalina. 



Palingenia puella, Pictet, Hist. Nat. Near. Eph. 145, 2, pi. 11, 

 f. 4. 



New Orleans. 



3. PALINGENIA LIMBATA. 



Corpus flavo fuscoque varium ; prothorax pallide fulvus, fusco 

 bimaculatus ; seta caudalis brevissima sed distincta. 



Palingenia limbata, Serville, Guer. Icon. Regne Anim. Ins. pi. 60, 



f. 7. Pictet, Hist. Nat. Neur. Eph. 146, 3, pi. 12. 

 Ephemera limbata, Ramb. Hist. Nat. Ins. Neur. 295, 4, pi. 8, f. 2. 



North America. 



4. PALINGENIA ALBICANS. 



Corpus flavum, immaculatum ; seta caudalis media brevissima sed 

 distincta ; alte basi violacea. 



Ephemera albicans, Percheron, Gen. Ins. Livr. vi.; Neuropt. pi. 6. 

 Palingenia albicans, Burm. Handb. Ent. ii. 803. Pictet, Hist. Nat. 

 Neur. Eph. 149, 4, pi. 13, f. 13. 



Brazil. 



