548 ephemeriNyE. 



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 jlavum, immaculatum ; prothorax latior quam longior ; 

 seta caudalis media brevissima sed distincta ; ala hyalince. 



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



f. 4. 

 New Orleans. 



3. Palingenia limbata. 



Corpus Jlavo 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 Jlavum, immaculatum ; seta caudalis media brevissima sed 

 distincta ; ala basi violacece. 



Ephemera albicans, Perchei'on, Gtn. Ins. Livr. vi. ; Neuropt. pi. (>. 

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



Neur. Eph. 149, 4, pi. 13, f. 1—3. 

 Brazil. 



