58 
STUDIES IN AMERICAN EPHYDRIDAE (dIPTERA) 
Specimens Exaviined. — 3 cf, 5 9. 
Maryland: Chesapeake Beach, VII, 27, 1913, (R. C. Shannon), 1 9, 
[U. S. N. M.]. 
Georgia: Thalman, IV, 28, 1911, 3 cT, 4 9, [Cornell], 
The furcata-gvowp 
This group is distinguished by the character heretofore consid- 
ered peculiar to the genus Dichaeta, that is, the tuberculate spinose 
development of the fifth abdominal segment of the males. This 
character is responsible for the author of one of its two species 
describing it as a Dichaeta. I will discuss the generic value of this 
character under the genus Dichaeta, but will say that as the pres- 
ent species, both male and female, are typically Notiphiline in 
all other respects, I cannot consider the character of generic 
importance. The females are readily separated from all other 
species of Agrolinma by the yellow palpi and non- or obscurely 
vittate frons and mesonotum. There are only two species known 
to me belonging here, and I do not think there are any described 
representatives in other parts of the world. 
Xotiphila bispinosa new species PI. I, fig. 5. 
Similar to /urcato Coquillett. Antennae yellow. Tibiae of male tawny with 
median infuscation; of female black with extremities pale. Fifth abdominal 
segment of male without long tubercle, but the two stout bristles are emitted 
from the subconical apex of the segment. The face is somewhat more sharply 
carinate. The two species should not be confused if notice is taken of the 
color of the antennae. 
Holotype. — d' ; Barnegat City Junction, New Jersey, xAugust 
11, 1910, (H. S. Harbeck), [A. N. S. P. No. 6114]. Paratype. — 
1 ; topotypical. 
Specimens Examined. — 8 cf, 24 9 and 10 cf and 9 • 
Maine: Machias, VII, 17, (C. W. Johnson), 3 9 , [B. S. N. H.j. 
Massachusetts: 4 cf, 5 9, [U. S. N. M.]. Eastham, VI, 27, (C. W. 
Johnson), 2 9, [B. S. N. H.l. New Bedford, 1 9, [B. S. N. H.l. Woods 
Hole, VII, 24, (C. W. Johnson), 1 cf, 2 9, [B. S. N. H.l. 
Rhode Island: Button Wood, VII, 25, 1911, 1 9, [B. S. N. H.]. 
New Jersey: Anglesea, 1 9 , [A. N. S. P.j. Barnegat City, VII, 11, 1910, 
(H. S. Harbeck), 5, [Harbeck]. Barnegat City Junction, VIII, 11, 1910, 3, 
[Harbeck]. Cape May, VI, 4, 1 9 , [A. N. S. P.]; VI, 22, 2 9 , [Johnson]; VI, 
7, 1914, (H. S. Harbeck), 1, [Harbeck]. Stone Harbor, VIII, 8, 1909, (H. S. 
Harbeck), 1, [Harbeck]. 
Maryland: Dorchester County, near Lloyds, VII, 10, 1907, (H. S. Bar- 
ber), 1 9, [U. S. N. M.i. 
Florida: St. Augustine, III, 9, 1 cf, [A. N. S. P.]; Ill, 14, 2 9, [John- 
son]; X, 20, 1 9, [Johnson]. 
