552 ephemeeiNjE. 



Subiinago. — Dull testaceous, slightly shaded with brown : an- 

 tennae black: abdomen with two interrupted brown stripes, about 

 thrice the length of the thorax : setae tawny with darker bands, very 

 hairy, a little shorter than the body : legs dark testaceous ; tibiae 

 and tarsi brown : wings grayish ; veins black, clouded with blackish 

 brown except at the tips and along the hind borders : fore-wings 

 with three or four black spots in the disk. Length of the body 9 

 lines; of the setae 7 lines; of the wings 18 lines. 



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

 by Dr. Barnston. 



14. Palingenia humeralis. 



Testacea ; abdomen olivaceo-fuscum, subtus piceo-fuscum ; setce 

 pubescentes ; tibice anticce albidce, alee subcinereee, costa basali 

 Jlava apicali subfusca. 



Dull testaceous ; abdomen olive-brown above, piceous brown 

 beneath, about twice the length of the thorax : setae testaceous, pu- 

 bescent, longer ? than the body, composed of very short and nu- 

 merous joints: legs pale testaceous; fore-tibiae whitish: wings 

 slightly gray ; veins black ; fore border of the fore-wings yellow at 

 the base, slightly tinged with brown towards the tip, its intermediate 

 veins clouded with black. Length of the body 4 lines; of the 

 wings 16 lines. 



a. New Zealand. Presented by Dr. Sinclair. 



15. Palingenia bicolok. 



Ferruginea ; pectus nigro bimaeulatum; abdomen fuscum; seta 

 testacece, pilosce, abdomine duplo longiores ; pedes flavi, antici 

 fusco-testacei, tarsis basi albidis ; alee cinerece. 



Subimago. — Pale ferruginous : pectus with a blackish spot on 

 each side: abdomen brown, paler beneath, full twice the length of 

 the thorax: setae testaceous, hairy, about the length of the abdo- 

 men : legs yellow : fore-legs brownish-testaceous ; tarsi whitish to- 

 wards the base : wings gray, pubescent along the hind borders ; 



