on the Ephemeride. 83 
Leptophlebia femoralis. 
Potamanthus femoralis, Hag. 1858. 
Subimago, s.s. “ Alis griseo fumatis.” 
Imago, s.s. ‘ Capite thoraceque fusco-eneis, pedibus 
pallidis, femoribus cingulo medio nigro, setis brunneis, 
abdomine albido, apice fusco, segmentis omnibus apice 
fusco marginatis ; alis vitreis, venis fuscis.” (Hag.) 
Long. set. ¢ 33, 9 15; exp.al. ¢ 2? 18 mm. 
Hab.—Rainbodde. 
Leptophlebia dislocans. 
Ephemera dislocans, Walk. 1860. 
Imago, v.s.s. 9. Ale vitrine, vix lacteo tincte, 
nervis umbrinis: horum transversales in medio atque 
apud costam alee anticee fusco marginati, et apicem arew 
marginalis versus recti, obliqui et fere simplices. Pedes 
luteo-picei, femoribus annulis in mediis piceis. Abdomen 
luteo-castaneum, apicibus segmentorum piceis: segmen- 
tum singulum striga obliqua indiscreta laterali. Sete 
piceee. 
Long. al. Q 6, set. 18 mm. 
Hab.—The Cape of Good Hope. 
Leptophlebia auriculata, nov. sp. 
(Genitalia maris, PI? IV. fig. 24, 24a. Ala postica, fig. 
2:4b.) 
Imago, v.s.s. ¢., Picea, thorace atro. Ale vitrine, 
nervis atro-piceis; nervi transversales in apice arew 
marginalis simplices; ala postice piceo tincte, spatio 
subcostali incolorato. Pedum antici picei; posteriores 
rufo-picei: femora omnia atro-bicincta (vel? bimaculata). 
Abdomen juncturis saturatioribus, et setis vel atro-piceis, 
vel corvino-atris. 
Long. corp. ¢ et al. 9, set. 20 mm. 
Hab.—Graham’s Town. 
The form of the hind-wing rather closely resembles 
that of one of the less oblique species of Avicula or Perna. 
The name has reference to the excessive dilatation 
of the marginal area, which reminds one of the “‘ears”’ 
of such shells. 
5) 
~ 
aG 
