190 Psyche [October 
macrochsetse besides the marginal row. Genital segments red- 
dish. 
Described from two specimens loaned the writer by Mr. 
C. W. Johnson. Holotype female, this specimen being in much 
the better condition; collected at Colebrook, Conn., by W. M. 
Wheeler. Allotype, male, collected by Mr. Johnson at Darien, 
Conn., June 16, 1909. Types are property of Boston Society of 
Natural History. 
Myiocera protrudens n. sp. 
Male: Large, robust flies. Head at vibrissse as long as at 
base of antennae. Face scarcely half height of head behind. 
Front twice width of ocellar triangle. No orbitals. Antennae 
bright yellow, half as long as face or a little more. Carina very 
conspicuous, protruding between antennae. Vibrissae slightly 
above oral margin. Ridges bristly one-fifth their height. Pro- 
boscis about as long as head height. Palpi yellow. Thorax black 
sprinkled with gray pollen. Dorsal vittae three, all heavy. 
Post-suturals 4, sternopleurals 3, 1 large and several lesser 
pteropleurals. Wings hyaline, venation not especially dis- 
tinctive. Squamae white. Legs black, hind tibiae ciliate. Ab- 
domen reddish black covered sparsely with grayish pollen. 
First segment without macrochaetae, second with or without a 
pair of marginals, third and fourth each with a marginal row. 
Length 14.5 mm. 
Female differs from male as follows: Front, at narrowest 
part about as wide as either eye. Three pairs of orbitals. Cilia- 
tion of hind tibiae not quite so even, nor extending quite so far. 
Described from one female and two male specimens, the first 
collected by Mr. C. W. Johnson from Sharon, Mass., Aug. 3, 
1909. One of the males was collected by Mr. W. T. Davis from 
Newfoundland, N. J., July 6, 1908, the other is from Ringwood 
Hollow, near Ithaca, N. Y., July 5, 1920; collector unknown, 
probably M. D. Leonard. 
Holotype male, (Ringwood specimen), retained at Ithaca. 
Allotype female, property of Boston Society of Natural History. 
Paratype in collection of W. T. Davis. 
