APPENDIX. 561 



indistinct narrow linear infuscation giving the appearance of an 

 additional vein, between the 3rd vein and upper branch of the 4th, 

 between the two branches of the 4th, and between the lower 

 branch of the 4th and the 5th vein ; the apical half of the "5th vein 

 before the fork and the whole of its lower branch very narrowly 

 but distinctly tinged \\ith dark brown. Halteres yellowish. 



Described from a single male in the Indian Museum from 

 Kurseong, 16. iv. 11 (Annandale). 



Family BIB1ONIIXE. 



Bibio flavoliirta, sp. nov. 



(5 . Head black ; eyes sparsely and shortly hairy ; back of head 

 and underside with black pubescence. Antennae missing, except 

 the black scape ; palpi black, hairy. Thorax black ; dorsum 

 shining, with moderately dense dark brown hairs ; scutellum similar, 

 metanotum bare ; sides of thorax with yellowish hairs. Abdomen 

 black, rather dull, with rather long and dense yellow hairs on 

 dorsum and sides ; sparsely hairy on belly except towards tip. 

 Genitalia black, normal. Leys shining dark brown with short 

 black hairs except on the coxae, where the hair is yellow ; knees 

 pale. Wings grey, anterior part a little darker : costal cell with 

 a slight yellowish tinge ; stigma distinct, dark brown, oval, of 

 moderate size. Veins on posterior half of wing pale yellowish ; 

 basal sections of 3rd vein equal in length to the auterior cross-vein. 

 Halteres dark brown, with a few pale hairs. 



Described from a single male in the Indian Museum from the 

 Darjiling district (Lynch). 



Family SIMULIID^E. 



Simulium striatum, Brun. 



Simulium striatum, Brimetti, Spol. Zeyl. viii, p. 90 (1912). 



<? . Head : frons shining leaden grey, with a few pale hairs, 

 face of similar colour ; back of head light grey with sparse short 

 pale hairs. Antennas blackish, with light grey pubescence, the 

 basal segments distinctly yellowish for some little distance, the 



