DIPTERA 15 



small fine bristles near the tip of the femora, intermediate femora with a row of regularly 

 disposed bristles beneath, tibiae thickly covered with hairs and bristles on both sides, 

 on the inner side the bristles are very short and erect, on the outer side much longer, 

 semi-erect and mixed with a number of more decumbent fine hairs, three or four long 

 and strong bristles near the tip, metatarsus spurred, a little shorter and thicker than the 

 succeeding joint, hind femora with some short hairs beneath and a single subapical 

 bristle on the outer side, tibiae with about eight bristles in two rows on the outer side, 

 and three (including the apical one) on the inner side, metatarsus shorter than succeeding 

 joint. 



Hab. Molokai Mts., 4 — 500 ft., 17th September 1893, one male. 



Plate I. fig. 25, intermediate leg of ^. 



(4) Canipsiciicunis, sp. 



A male specimen ot a very peculiar species, unfortunately in too bad a condition for 

 description, was obtained on the coast, Waianae, Oahu, in January 1897. 



Chrysotus Meigen. 

 ( I ) Chrysotus spiiiigcr, sp. nov. 



^. Long. Corp. 2\ mm.; al. 2f mm. Front fuscous, with a slight greenish tinge, 

 face narrow, silvery, eyes nowhere contiguous, palpi and proboscis black ; antennae black, 

 third joint a little excavated at the insertion of the arista, which hence appears to be 

 subapical, cilia of orbit black. Thorax obscure bronzy, in the centre more shining and 

 greenish, shoulders lighter, cinereous, pleurae greyish-green, scutellum bronzy-green, 

 cilia of tegulae black, halteres light yellow. Abdomen bronzy-green, hypopygium 

 concealed, only the dark brown tips of some of the appendages visible. Coxae dark, 

 with a greyish tomentum, fore pair with some bristles near the tip, intermediate and 

 hind pairs with a single bristle about the middle ; femora dark brown with an aeneous 

 tinge, tips and bases somewhat yellowish, fore and hind pairs with a single subapical 

 bristle, intermediate with a strong subapical bristle in front, one or two smaller sub- 

 apical ones beneath, and seven strong spine-like ones beneath, about the middle, the 

 6th (counting from the apex) the largest, the 7th a little smaller, and the first five about 

 half the size ; tibiae brownish-yellow, hind pair much thicker and darker towards the 

 apex, almost clavate, fore pair with a single weak bristle on the outer side about one- 

 fourth from the base, intermediate with a single bristle on the hind surface near the 

 base, one near the middle on the outer surface, and four close together on the middle 

 of the fore surface, hind tibiae with a single bristle on the hind surface at one-third from 

 the base, two on the outer surface at one-third and two-thirds respectively from the base, 

 and three or four at the apex; tarsi without bristles. Wings hyaline, posterior transverse 



