EPHEMERIN.E. 553 



veins black, slightly clouded with brown. Length of the body 5 

 lines ; of the setae 3 lines ; of the wings 12 lines. 



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

 Dr. Barnston. 



16. Palingenia pallipes. 



Ferruginea ; capitis discus piceus ; antenna; nigra ; thoracis latera 

 fulvo maculata ; seUe fulva>, subfasciatce ; pedes teslacei, antici 

 ferruginei ; alee limpida, anticce macula stigmaticali sub- 

 lurida. 



Fem. Dark ferruginous, paler beneath : disk of the head pice- 

 ous : antennae black: thorax with some tawny spots on each side: 

 abdomen less than twice the length of the thorax : setae dull tawny, 

 a little darker about the sutures of the joints, a little longer than 

 the body: middle seta short: legs testaceous: fore-legs ferruginous : 

 wings limpid ; veins brown, distinct: fore border of the fore-wings 

 with a lurid tinge towards the tip. 



Subimago. — Brown : wings gray. Length of the body 4^ 

 lines ; of the setae 7 lines ; of the wings 1 1 lines. 



a — c. Nova Scotia. From Lieut. Redman's collection. 



17. Palingenia concinna. 



Picea, subtus ferrugineo varia; setae testacea, corpore plus duplo 

 longiores ; pedes testacei, gracillimi, antici fusci longissimi, 

 femoribus testaceis ; alee limpidce, costa apicali subfusca. 



Male. — Piceous, partly ferruginous beneath : antennae black : 

 abdomen less than twice the length of the thorax : tentacula lute- 

 ous : middle seta very short ; lateral setae dull testaceous, more than 

 twice the length of the body : legs testaceous, very slender : fore- 

 legs brown, very long ; femora testaceous : wings limpid ; veins 

 pale testaceous, darker towards the tips : fore border of the fore- 

 wings pale brown along one-third of the length from the tip. 

 Length of the body 4 lines; of the setae 12 lines; of the wings 10 

 lines. 



a. Nova Scotia. From Lieut. Redman's collection. 



3 B 3 



