180 Annals of the South African Museum. 



with the wings cleft together ; it is in the subimaginal stage and 

 collected at M'fongosi, Zululand, September, 1911, by W. E. Jones. 

 With some hesitation I refer the specimen to a species of Atalophlebia. 



GEN. ADENOPHLEBIA, Eat. 

 ADENOPHLEBIA DISLOCANS, Walker. 



Ephemera dislocans, Walker, Trans. Ent. Soc., Lond., vol. v., 1860, 

 p. 198. 



Adenophlebia dislocans, Eaton, Ent. Monthl. Mag., vol. xvii., 1881, 

 p. 194 ; " Kev. Monogr. of Eecent Ephemeridae," 1888, p. 112. 



In the Collection are 2 $ $ (imagines) and 1 J (sub-imago), all 

 mounted on cardboard and not in good condition. The specimens 

 were collected at Barberton, Transvaal, by Miss H. Edwards, 

 March, 1911. 



To the excellent description of both sexes in the imaginal stage, 

 given by Eaton, I have only to add that the pterostigmatical region 

 has a violet-grey tinge. In the subimago the wings have a slight 

 greyish tinge and blackish neuration. The cross-veins are shaded 

 with blackish grey. 



ADENOPHLEBIA WESTERMANNI, sp. nov. 



Imago. 3 . Head and thorax blackish brown. The abdominal 

 segments dorsally yellowish brown with the hind border and an 

 oblique streak on each side dark brown. The ventral surface of 

 abdomen yellowish brown with a median longitudinal brown streak. 



FIG. 1. Left Forewing of Adenophlebia westermanni. 3 . 



The forceps brown, the last joint yellow. Three caudal setae, which 

 are of equal length, brown at their base, paler towards their apex. 

 Legs brown ; femora with a broad black median band and with 

 a small black band at the base and at the apex. The tarsal claws 

 all narrow and uncinate. Femur, tibia, and tarsus of foreleg almost 



