Petersen, New Ephemeridae from Denmark, Norway, Argentine. 555 



S u b i m a g 0. Mesothorax and abdomen greyish brown ; wings 

 greyish. Long. 11 mm; forewing 11 mm; setae cf 17 mm; 

 setae $13 mm; anterior legs of cf 11 mm. 



Fig. 9. Forceios of Sparrea norvegica. Fig. 10. Apex of abdomen 



(from beneath) of Sparrea 

 norvegica. $. 



The specimens (l cf and 1 $ im. and several subim.) collected 

 by Mr. Sparre-Schneider at Karasjok (69 ^ 20) in Finmarken, 

 Norway, are in the Tromsoe Museum, preserved in alcohol. What 

 is probably the same species has been captured in Fiuland by 

 Dr. J. E. Aro {fide A. E. Eaton). 



5. Bhithr g ena Haarupi n. sp. 

 Imago. (f (dried). Frons dark. Mesothorax pitchy brown, 

 shining ; jet black , shining between the wings. Abdomen dor- 

 sally dark reddish brown , a little paler towards apex ; joinings 

 of Segments yellowish. The abdomen ventrally with a more yellow 

 reddish tint. The basal halft of the limbs of forceps pitchy 

 brown, distally yellowish brown. Setae basally pitchy brown; 



Fig. 11. Forceps of Rh. Haarupi 

 (from above). 



Fig. 12. Forceps of Rh. Haarupi 

 (from below). 



Hghter towards the tip. The joinings indicated by small dark 

 brown annulations. Fore legs pitchy dark. Femora of inter- 

 mediate and bind legs brown with a median dark brown oblong 

 spot on the underside. Knees dark brown. Tibiae yellow brown. 

 Tarsi dark brown. Fore wings hyaline with dark brown nervation ; 

 basally and along anterior margin with a brownish yellow tint. 

 Long. 12 mm; fore wing 13 mm; setae- 28 mm. 



