80 A REVISION OF THE NEARCTIC SCIOMYZIDAE 



MxssACHUSETTs: Aubumdale, June 1; Cohasset, June to September; 

 Gloucester, August 30; Wood's Hole, July 1, (all C. W. Johnson), [all B. S. 

 ■v' yx 1 

 * Connecticut: Ridgefield, June 24, (I. N. Gabrielson), [Biol Surv.] 



New York: Dryden Lake, Tompkins County, June 16, (MacGillivray 

 and Bradley), [Cornell]. FishkiU, July 4, (E. R. Kalmbaeh), [Biol. Surv.]. 

 Freeville April 17; Ithaca, May to September; Lake Mahopac, June 25, 

 (T. D. O'Connor); McLean, July 2-3; Mud Creek, Tompkins County, June 

 17-20- Slattcrville to Caroline, June 14, [all Cornell]. 



New Jersey: Atco, July 17, (C. W. Johnson); Westville, June, [all John- 



son 



Pennsylvania: Hazleton, July 21, (W. G. Dietz); Lansdale, July 8, 

 (Cresson); McConnellsburg, Fulton County, June 4; Swarthmore, June to 

 September, (Cre-sson), [all A. N. S. P.]. 



Maryland: Branchvillc to Beltsville, June 4, (L. O. Jackson); Chesapeake 

 Beach, June 18, (L. O. Jackson); Plummer's Island, May to June, (W. L. 

 McAtee); Near Plummer's Island, May to August, (L. O. Jackson & W. L. 

 McAtee); [all Biol. Surv.]. Glymont, May 25, [Johnson]. 



District of Columbia: Anacostia, July 22, (W. D. Appel), [Biol. Surv.]. 



Virginia: Boykins, June 10, (C. W. Johnson), [Johnson]. Four-Mile Run, 

 May 23 and 31, (A. Wetmore and W. L. McAtee); Glencarlyn to mouth of 

 Four-Mile Run, June 17, (W. L. McAtee); Mount Vernon, June 6, (W. L. 

 McAtee); Staunton, May 2.'3, (J. Silver); Tazewell, June 7, (L. O. Jackson); 

 [all Biol. Surv.]. 



North Carolina: [no data]. 



Illinois: Chicago, [Cornell]. 



Missouri: Columbia, May 20 to June 8, (C. R. Crosby), [Cornell]. 



Minnesota: [no data]. 



Dakota: (no data]. 



California: Fallen Leap, Eldorado County, 6300 ft. alt., August 21; 

 Lakeport, Lake County, August 16, (all W. M. Giffard), [Cal. Ac. Sci.]. 



Limnia unguicornis var. severa new variety 



cf . This form may prove to be a good species, but from present knowledge 

 it would not be advisable so to consider it here. It is rather easy to dis- 

 tinguish by the more intense pattern of the wing maculation, which is not 

 cvaiioscent basally. The maculation is very distinct and rather fully devel- 

 ()])r(l in tlic first basal, base of submarginal and base of discal cells. The 

 ai)ical lialf of fore tibiae and all of fore tarsi are black. Otherwise this is- 

 ai^parently similar to saratogensis. Length. — 6 mm. 



9 ■ Somewhat larger and the wing ijattern more intense, ver,y well marked 

 towards base of wings. 



Type. — cT; Cayton, Shasta ('omity, California, July 10, 1918, 

 E. P. VanDuzcc). [Cal. Acad. Sci.] Paratypes.—b cf , 2 9 ; 

 lop()tyi)ical. 



