102 Psyche [June 



Middle tibiae each bearing two or more macrochaetse on the front side near the mid- 

 dle. Hind tibiae sub-ciliate. 



Abdomen black, the segments grayish poUinose on the basal four-fifths, with the 

 exception of the first segment, which is destitute of pollen on the dorsum. A median 

 black dorsal vitta. First and second segments bearing a pair of median marginal 

 macrochaetae, the third a marginal row and the fourth bearing macrochaetae on its 

 apical two-thirds. Hairs of abdomen sub-erect. 



Wings hyaline. Apical cell open, ending before the wing tip. The third longitudi- 

 nal vein bearing two or three bristles at its base. Calj-pteres whitish, faintly bor- 

 dered with yellowish. 



Puparium 7 mm. in length. The anal stigmata highly raised, sub-cylindrical, 

 nearly .5 mm. long. Reticulations in three distinct half circular impressions with a 

 small circular impression in the center. 



Described from five male specimens. 



One male (Holotype) in collection of the U. S. National Museum, 

 Cat. No. 19237 reared from an unknown Noctuid larva taken at 

 Revere, Mass., by Mr. J. V. Shaffner. 



Three males (Paratypes) taken by Mr. C. W. Johnson at Sugar 

 Island, Me., July 17, 1907, and Orrs Island, Me., July 21, 1907. 

 In collection of the Boston Society of Natural History. 



One male (Paratype) taken by writer at North Andover, Mass., 

 Julv 16, 1911. In author's collection. 



A NEW WINGLESS PHORID FLY FROM JAMAICA. 



By Charles T. Brues, 

 Bussey Institution, Harvard University. 



Chonocephalus jamaicensis sp. nov. 

 9 . Length, 1 mm. Brownish yellow; dorsal abdominal plates fuscous; legs 

 brownish-yellow, lighter beyond the femora. Head very slightly wider than long, 

 broadest at the eyes which are quite near the hind angles; the latter rectangular, 

 roimded only at the extreme corner; from just in front of the eyes, the front is nar- 

 rowed, the edge regularly concave to the fore margin which is strongly arcuate and 

 about two-fifths as broad as the head behind; sides of head below antenna 1 ca\-ities 

 sinuate, convex behind and somewhat concave in front, turning in toward the median 

 line a little before the fore margin of the front; posterior margin of head straight. 

 Surface of head above covered with small, sub-erect hairs, and with a large bristle 

 at the side margin of the front just above the antenna, followed by a series of three 

 smaller ones extending forward along the edge of the front; side of head just below 

 antenna with a group of three rather large and a few small bristles; oral margin 

 fringed on each side with five delicate, downwardly directed bristles; antennae 



