SUPPLEMENT. 327 



four joints velvet-black, strongly compressed from the sides ; the 

 three last ones are expanded on the upper side into long lobes, 

 which are velvet-black on the third and fourth joints; on the 

 fifth joint the lobe is black only at the base, otherwise whitish. 

 Middle and hind tarsi, from the tip of the first joint, black. 

 Wings grayish-hyaline with dark-brown veins, tinged with clay- 

 ish-yellow in the costal, marginal, and subinarginal cells, the 

 costa only slightly mcrassated at the tip of the first longitudinal 

 vein ; the tip of the third longitudinal vein strongly deflected 

 backwards ; the last segment of the fourth longitudinal vein not 

 broken ; the posterior margin of the wing has a deep sinus before 

 the unusually protruding anal angle ; the latter is again sinuated, 

 so as to appear bilobed. 



Nab. Glen-House, White Mountains, New Hampshire, July 

 2, 1863. (Osten-Sacken.) 



4-4. I>. spleitdidulus LOEW. . Viridis, nitidus, coxis anticis 

 pedibusque flavis, tibiis posticis totis concoloribus, antennis tarsisque 

 posticis nigris, ciliis oculorum inferioribus tegularunique ciliis flavi- 

 caiitibus, alarum vena longitudinal! quarta non fracta. 



, . Tarsis anticis elongatis, articulo quarto prsecedentibus latiore, quinto 

 conipresso atro, femoribus posticis minus coufertini flavo-ciliatis. 



9 



Green, shining, fore coxse and feet yellow ; the hind tibiae not blackened 



at the tip ; antennae and hind tarsi black ; cilia of the inferior orbit and 



of the tegulae yellowish. 

 . Fore tarsi elongated, fourth joint broader than the preceding; the 



fifth joint laterally compressed, black ; hind femora ciliated with rather 



sparse yellowish hairs. 



9 



Long. corp. 0.22. Long. al. 0.22-0.23. 



SYN. Dolichopus splendidulns LOEW, Berl. Eut. Zeitschr. VIII, 91, 82. 



Male. Metallic green, bright, shining. Face rather bright- 

 yellow. Antenna? altogether black ; the third joint short-ovate. 

 Front shining green. Cilia of the inferior orbit pale-yellowish. 

 Larnellte of the hypopygium broad, ovate, whitish ; on the upper 

 and the apical margins with a very narrow blackish border ; apical 

 margin jagged and beset with black bristles. The four hind coxa? 

 are blackish, only at the extreme tip yellow. Fore coxae yellow, 

 somewhat blackened only at the extreme basis, beset with short 



