342 THE ASIATIC FUR-SEAL ISLANDS. 



branch of the fifth a short distance beyond its base, and with the fourth a short dis- 

 tance before its furcation; the small crossveiu at about twice the length of the outer 

 ciossvein beyond the base of the upper branch of the third vein ; the first vein extends 

 to the last fifth of the length of the wing. Legs brownish-black, first joint of the front 

 and hind tarsi two-thirds as long as their tibiae, the fourth joint noticeably widened, 

 about three- fourths as long as the fiftli ; tarsal claws simple and of an equal length. 

 Hal teres yellow. Length, 3.5 mm. 

 Type.— So. 4047, U. S. N. M. 



Bering Island, July- August, 1897, collected by Dr. L. Stejneger, 

 An immature male specimen, collected at the same time and place, differs from the 

 female in having the palpi, antennae, scutellum, and legs yellow. A female specimen 

 collected on the summit of Mount Washington, New Hampshire, by Mrs. Annie T. 

 Slosson, and kindly presented to the writer, I am unable to distinguish from the 

 female above described. 



Family CULIOID^. 



(4) Culex sp. 



Bight female specimens from Bering Island, July-August, 1897, collected by 

 Mr. Barrett-Hamilton; a single specimen from Copper Island, August, 1897, taken by 

 the same collector, and four specimens from the latter island collected by Dr. Stejneger 

 in August, 1896. All of these specimens are abraded and not in a fit condition for 

 identification. 



Family MYCETOPHILIDiE. 



(5) Neoglaphyroptera ieringensis, new species. 



Female. — Head black, opaque gray pruinose, antennae blackish brown, the second 

 joint yellow, proboscis blackish brown, palpi yellow; thorax, scutellum, and abdomen 

 black, the hairs yellow, mesonotum marked with three black vittse, posterior margins 

 of the abdominal segments two to six, and the genitalia yellow. Coxae, femora, and 

 tibiae yellow, the trochanters black ; tarsi, except at the base, brownish black. Wings 

 byaline, the costal cell yellowish, veins yellow, the basal third of the posterior branch 

 of the fourth vein colorless; tip of the auxiliary vein slightly before the small cross- 

 vein, subcostal crossveiu a short distance before the middle of the auxiliary vein — 

 fourth and fifth veins forking slightly before the small crossvein, the forking of the 

 fourth more proximal than that of the fifth; sixth vein extending a short distance 

 beyond the forking of the fifth. Halteres yellow. Length, 4.5 mm. 



Type— No. 4048, U. IS. N. M. 



A single specimen collected on Bering Island, July-August, 1897, by Mr. Barrett- 

 Hamilton. 



(6) Sciara sp. 



Seven females from Bering Island, July- August, 1H97, collected by Dr. Stejneger. 

 Quite impossible to identify the species in the present condition of this genus. 



Family TIPULID^. 



(7) Limnophila fulvocostalis, new species. 



Female. — Head black, opaque gray pruinose, palpi brown, antennfe sixteen-jointed, 

 nearly as long as the thorax, the first two joints black, the others yellow. Thorax 

 black, thinly gray pruinose, a median vitta and the lateral margins yellow; pleura 

 brown, irregularly marked with yellow; scutellum yellow, metanotum brown, the 



