19-1 CHIKONOMJDjfi. 



tarsi black ; fourth joint about twice as long as the Jifth. Male. An- 

 tennae plumate ; last joint linear, much longer than the rest united. 

 Not rare, (E. I.) 



191. Chiron, Hal. MSS. Mas, " cinereus, pleuris pedibusque fla- 

 vidis, tarsis anticis barbatis. Long. 2 ; alar. 4 lin." 



Male. " Antennae brownish-yellow ; first joint dusky cinereous ; fea- 

 thers yellowish ; last joint much longer than the rest jointly. Thorax 

 with the sides ferruginous before the wings (scutelluin also, but darker). 

 Winc;s hyaline; veins very pale (so that the characteristic transverse 

 vein is easily overlooked) ; pobrachial areolet closed a little beyond the 

 fork of the pobrachial vein. Halteres pale yellow. Legs and coxae 

 ferruginous ; only the tips of the tarsi dusky ; fourth joint of the tarsi 

 about twice as long as the Jifth ; posterior femora and tibiae hairy ; fore 

 tarsi still more so ; first joint a little shorter than the tibia. (Abdomen 

 lost in the only specimen.)" Hal. MSS. 



Rare. Pound by Mr. Haliday, near Holyrood, Belfast. (I.) 



192. Waltlii, Meig. Zw. vii. 13. 1 (1838). " Foam, nigricans, 

 tJtoracis dorso schistaceo. Long. 2-i ; alar. 4 lin. 



"Fern. Blackish, with a slaty-grey tinge on the vertex, mesonotum, 

 and metanotum, and three faint, darker, shifting stripes on the meso- 

 notum. Antennae eight-jointed; last joint long-elliptical, as long as 

 the three preceding. Wings hyaline, with the anterior veins conspicu- 

 ous fuscous ; the pobrachial areolet closed beyond the fork of the po- 

 brachial vein (as in Tanypus nebulosus). Incisures of the abdomen 

 with a paler shade. Legs finely pubescent ; first joint of the fore tarsi 

 shorter than the tibiae ; fourth shorter than the Jifth, notched at the 

 tip." Hal. MSS. 



Bare. (E. I.) 



193. Ammon, Hal. MSS. " Schistaceus, femoribus tibiisque poste- 

 rioribus flavidis anticis fuscis ; Mas, alis albis ; Fcem. antennis 8-arti- 

 cii/ntis, pleuris et ventre flavidis, alis subhyalinis. Long. 2 ; alar. 4 lin. 



" Pale slaty-grey. Fore legs dusky; femora at the base and coxae 

 light ferruginous; posterior femora and posterior tibia; ferruginous, 

 except at the tips ; (tarsi sometimes lighter brown at the base ;) fourth 

 joint the shortest, notched, almost obcordate. Male. Front broad. 

 Kyes a little emarginate internally. Antennae nearly as long as the 

 thorax ; first joint dusky, rest dingy -yellowish ; last nearly two-thirds of 

 the whole length ; feathers light yellowish ; sides of the thorax gene- 

 rally a little ferruginous before the wings. Wings white, as is also the 

 very faint pubescence of the hind margin ; the usual veins pale brown- 

 ish, whitish towards the base. Abdomen blackish, clothed with long, 

 pale soft hairs; first joint of fore tarsus about as long as the tibiae. 

 I'ri.i. Antenna eight-jointed, dusky; first joint thick, ferruginous; last 

 longer than the three preceding together. Thorax ferruginous, with 

 three confluent banus on the mesonotum; scutellum rather pitchy-red- 

 dish; metanotum and mesosternum pale slaty-grey, Wings hyaline, 



