86 Rey. A. E. Haton’s Monograph 
Imago,v.v.s. Oculisupra saturate purpureo-brunnei, 
subtus fusci. Tergum thoracis aterrimum, politum. Alze 
vitrine, crassioribus nervorum furfurosis. Pedum antici 
atri, tarsis corvinis; posteriores picei, tibiis tarsisque 
fuliginosis. Abdomen supra fusco-piceum, juncturis in- 
termediis pallidis; subtus fusco-fuliginosum, maculis 
obscuris sub plexus nervorum. Forceps furfurosus. 
Sete testacez, Juncturis saturatis. 
? simillima mari, processu ventrali penultimi seg- 
mentorum acute exciso. 
Long. corp. ¢ 10-11, ¢ 9-11; al. g 10-11, 2 10-13; 
set. ¢ im. 12 & 13-14 & 16, subim. 7; set. 9 im. 9-13, 
subim. 9 & 10-10 & 12 mm. 
Hab.—Great Britain ; Germany ; and Switzerland (Pict. 
Mus.). In May, June, July, and August, frequenting 
streams, rivers and lakes. The name is applicable to 
dried specimens. 
Leptophlebia castanea. 
Potamanthus castaneus, Pict. 1843-5. 
Subimago, v.s. ‘“ Preecedenti similis, macula tamen 
cordiformi super mesothoracis apicem, et juncturis tho- 
racis, pallidis.”’ 
Imago, ¢ v. s. ‘Oculi latericio-rubentes; aliter 
feminee similis.” 
9. “Tergum thoracis striga pallida longitudinali. 
Pedes setzeque pallide fusci.” (Pict.) 
Long. corp., al., et set. 2 circa 8 mm. 
Hab.—A small stream near the marsh of Villeneuve, at 
the upper end of the Lake of Geneva, in July. The body 
of this species is of a maroon-brown colour. (Pict.) 
Leptophlebia (?) Kruepert. 
Potamanthus Krueperi, Stein, 1864. 
Imago, s. s. @. Picea, pleuris pedibus abdo- 
mineque aurantiacis, alis posticis lete fuscis, setis cauda- 
libus flavescentibus obscure annulatis. Ale antice apud 
costas vix flavescentes.” 
Long. corp. ¢ 10°5, exp. al. 12 mm. 
Hab.—Greece. In the collection of the Berlin Museum. 
