Diptera of Sf. Vincent (West Indies), 27 o 



bisected, by a slender yellow stripe. Scutellum light yellow. 

 Metanotum brown ; halteres brown. Abdomen black, with black 

 hair ; the seventh and eighth segments light yellow, with yellow 

 hair. Legs light yellow ; the extreme tip of the four posterior 

 tibiae black ; distal joints of the front tarsi infuscated, as also the 

 front tibiae ; front metatarsi about one-third longer than their 

 tibiae. Wings hyaline. Length 3-4 mm. 



6. ChironomuSj n. sp. 



(? . Light yellow, the antennae brownish, and, rarely, the pos- 

 terior part of the abdomen also brownish. Extreme tip of the 

 four posterior tibiae black ; front metatarsi about one-fourth longer 

 than their tibiae. Wings hyaline ; anal angle only feebly indicated. 

 Length 2-2|^ mm. 



Orthocladius. 

 Van der Wulp, Tijdsclir. voor Entom., xvi., ixx., 1874. 



1. OrtJiocladius dehilis, n. sp. (PL IX., fig. 34, wing.) 



$ . Red or reddish-yellow. Plumosity of the antennae brownish- 

 black. Mesonotum^ with three shining brown spots or stripes, 

 narrowly separated. Abdomen slender ; each segment with a 

 brown posterior band. Legs yellow ; front femora brown on the 

 distal end ; front tibiae light yellow on the proximal half or two- 

 fifths, dark brown on the distal portion, about one-third longer 

 than the corresponding metatarsi ; front tarsi infuscated ; the four 

 posterior femora somewhat infuscated distally. Wings hyaline. 

 Length 2^-3 mm. 



Tanypus. 

 Meigen, Illiger's Mag., ii., 261, 1803. 



1. Tanypus flaveohis, n. sp. 



$ . Posterior forked cell not petiolate ; wings hairy ; front 

 metatarsi nearly as long as their tibiae. Light yellow ; antennae 

 brownish, the plumosity grey ; abdomen somewhat infuscated to- 

 ward the tip ; legs light yellow throughout, with rather abundant 

 light yellow hair ; wings hyaline, clothed moderately densely with 

 grey hair. Length 1^-2 mm. 



