284 Professor Williston on the 



4. Psyclioda angustipennis, il. sp. (PI. IX.^ fig. 51, wing.) 



$ . Yellow, with nearly white hair. Wings very narrow, 

 acutely lanceolate, covered uniformly with long black hair ; a small 

 tuft of white at the extreme tip ; another larger one on each side 

 beyond the middle, and yet another toward the base on the pos- 

 terior margin ; hair on the posterior margin long and abundant. 

 Antennse light-yellow, about as long as the mesonotum ; sixteen- 

 jointed, the basal joints darker, the following ones slender. 

 Thorax and abdomen light reddish-yellow, the hair of the 

 abdomen slightly intermixed with blackish. Legs rather stout, 

 light-yellow ; the terminal joints of the tarsi somewhat infuscated. 

 Length 1-1? mm. 



Peeicoma. 

 Walker, Ins. Brit., ii., 256, 1856. 



1. Pericoma alhitarsis, n. sp. (PL IX., fig. 52, wing.) 



$ , 2 • Black or brown, with black or dark-brown hair. All the 

 tarsi white. Antennae slender, rather longer than the thorax ; 

 brownish-yellow or brown, sixteen-jointed. Palpi elongate. Hair 

 of the wings uniform in colour and uniformly distributed ; that 

 along the hind border rather short. Terminal joints of the tarsi 

 rather short, slightly infuscated. Length 1-1 i mm. 



Ten specimens. 



TIPULIDJ^. 



Geeanomyia. 

 Haliday, Ent. Mag., i., 154, 1833. 



1. Geranomyia pallida J n. sip. (PI. IX., fig. 53, wing.) 



^ , $ . Front and vertex brownish-yellow, whitish pruinose. 

 Antennae brown, the basal portion more or less yellow. Rostrum 

 yellowish at the base, brownish on the distal part; nearly as long 

 as the thorax and abdomen together. Thorax and abdomen light- 

 yellow, the mesonotum in some specimens yellowish-red. Knob of 

 halteres yellow. Legs yellow. Wings hyaline ; stigma distinct, 



