284 Professor Williston on the 



4. Psychoda angnstipennis,n. sp. (PI, IX., 6g. 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. 

 Antennae 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. 



Pericoma. 



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



1. Pericoma alhifarsis, n, sp, (PI, IX., fig. 52, wing.) 



^ , $ . 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 joiuts of the tarsi 

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



Ten specimens. 



TIPULID^. 



Geranomyia. 

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



1. Geranomyia jpallida, n. sp. (PI. IX., fig, 53, wing,) 



$ 1 ^ . 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, 



