554 EPHEMEEIN,E. 



18. Palingenia nebulosa. 



Niger; abdomen piceum, subtus fulvum; seta testacea, fusco fas- 

 ciata, corpore plus duplo longiores; pedes fulvi, antici ob- 

 scuriores longissimi ; alee limpida, antica fusco fasciata. 



Male. — Black: abdomen piceous, tawny beneath, nearly twice 

 the length of the thorax: setae testaceous ; middle seta very slender, 

 about half the length of the abdomen ; lateral setae with brownish 

 bands, more than twice the length of the body: legs tawny: fore- 

 legs dark tawny, very long : wings limpid ; veins brown : fore- 

 wings with a broad, brown band, which occupies full one-third of 

 the length, and extends nearly to the tip. Length of the body 4^ 

 lines ; of the setae 12 lines ; of the wings 9 lines. 



a— b. St. Martin's Falls, Albany River, Hudson's Bay. Presented 

 by Dr. Barnston. 



19. Palingenia albifilum. 



Fulva ; caput nigrum ; antenna testacea ; abdomen testaceum ; 

 setce alba, corpore triplo longiores ; pedes testacei, antici sub- 

 fusci ; ala limpida, venis albis. 



Tawny : head mostly black : antennae testaceous : abdomen 

 testaceous: seta? white, slender, thrice the length of the body: legs 

 testaceous: fore-legs brownish: wings limpid, broad; veins white. 

 Length of the body 4 — 5 lines; of the setae 15 — 18 lines; of the 

 wings 10 — 13 lines. 



Var. Abdomen brownish above: fore-wings with a blackish 

 tinge towards the base : veins of the fore border blackish for one- 

 third of the length from the base. 



a, b. Para. Presented by J. P. G. Smith, Esq. 



20. Palingenia latipennis. 



Pallide testacea, nonnunquam obscurior ; seta alba, corpore duplo 

 longiores ; pedes albi ; ala subalba, sublimpida, venis albis. 



