DOLICHOPUS. 167 



apice tarsisque nigris ; Mas. alls versus apicem antice infuscatis, alulis 

 pallido-ciliatis. Var. pallipes, Mq. actaus, Hal. Firidi-cyaneus, alls 

 immaculatis. Long. 2 ; alar. 4 lin. 



Dark brassy-green. Front bluish-green, with a faint hoary shade. 

 Face silvery-white in male, dull white in female. Antennae black, with 

 an ochre-brown dot beneath at the tip of the first joint. Wings dark 

 hyaline ; in the male clouded with brown along the fore edge in the 

 outer half. Fringe of alula pale in male. Lamellae dingy white, trun- 

 cated at the end, not jagged and scarcely ciliated, with a very narrow 

 dusky edge ; forceps prominent, with broad, foliaceous, curved, obtuse 

 arms. Legs yellow ; fore coxae yellow, usually with a grey spot at the 

 base, in the male glossed with white ; hind femora with a dusky spot at 

 tip ; tip of hind tibia and the tarsi black, anterior metatarsi yellowish, 

 tipped with black. The variety is usually smaller ; dark bluish-green ; 

 wings immaculate ; legs paler yellow, fore coxa3 immaculate. 



Common on the sea-coast. (E. S. I.) 



29. clavipes, Hal. z. j. v. 365. 23 (1831). vitripennis, Stg. 

 trochanteratus, Ztt. Fcem. fuscipes, Hal. Obscure anew, hypostomate 

 candido, antennis nigris basi subtus lutescentibus, pedibus fuscis, trochan- 

 teribus tibiisque flamdis, tibiis posticis apice nigris ; Mas. tibiis posticis 

 incrassatis,femoribus posticis pallido-ciliatis. Long. 1|-; alar. 3^- lin. 



Dull br assy -brown ', front sometimes greenish. Face silvery-white. 

 Antenna black ; lower edge of the Jirst joint ochre-brown, more largely 

 at the tip. Wings hyaline, darker in the female ; black costal swelling 

 in male reduced almost to a dot. Coxa and femora dusky ; the tip of 

 fore coxa?, and a line down the middle of the hind femora, sometimes 

 paler ; trochanters, tibia, and anterior metatarsi pale ochre, tip of the 

 latter and of the hind tibia, and the rest of the tarsi black. In the male, 

 the hind tibia are thick, especially about the middle, with a denuded 

 and slightly impressed streak behind, the black extending over more 

 than half their length ; the hind femora fringed with pale bristles. 



Not rare on the sea-coast. (E. S. I.) 



30. punctum, Mg. zw. iv. 85. 19 (1824); Stn.; m.signifer, 

 Hal. Chalybeus, hypostomate candido, antennis nigris puncto infero 

 lutescente, pedibus fuscis trochanteribus genubus tibiisque flavidis, tibiis 

 posticis apice nigris, alls hyalinis macula apicali nigricante, femoribus 

 posticis nigro-ciliatis, Mas. Long. 1-|- ; alar. 3^ lin. 



Steel-blue, or brassy-green. Face silvery- white. Antenna black, 

 with a tawny yellow spot beneath at the tip of the third joint. Wings 

 hyaline with a blackish spot occupying the tip, the costal swelling scarcely 

 marked. Coxa and fore femora dusky, the latter yellowish at the tip ; 

 posterior femora tawny yellow, with the upper edge almost entirely, the 

 lower at the base, dusky ; hind femora fringed with long blackish hairs; 

 trochanters, tibia, and anterior metatarsi, tawny yellow ; the tip of the 



