Art. 23 GENUS CYLINDROMYIA MEIGEN ALDEIGH 21 



Louisiana (Bishopp) ; Brookings, South Dakota, and Minot, North 

 Dakota (Aldrich) ; Colorado; Denver, Colorado (Jackson); North 

 Cheyenne Canyon, Colorado (Champlain) ; Binford, North Dakota 

 (Mabbott) ; Quinlan, Texas (Bishopp) ; Austin, Texas (Melander) ; 

 Socorro, New Mexico (Williston) ; Tempe, Arizona (Caffrey) ; 

 Ormsby County, Nevada (Baker) ; Moscow, Idaho (Aldrich) ; Pull- 

 man, Spokane, and Fishtrap Lake, Washington (Aldrich) ; We- 

 natchee, Washington (Melander) ; Bead Lake, Newport, Washing-ton 

 (Lane) ; Vernon, British Columbia (Treherne) ; Yosemite, Califor- 

 nia (Westcott) ; Visalia and Los Angeles, California. 



In the Kansas collection are 32 specimens, of which 15 are from 

 Douglas, Decatur, Pratt, Marion, Johnson, Anderson, Clark, Mc- 

 Pherson, Smith, and Linn Counties in Kansas; collected by Wil- 

 liams, Snow, Beamer, Martin, and Hoffman; the other are from 

 Rock Creek, Kansas (Moodie) ; Illinois (Forbes) ; southern Illinois 

 (^Robertson) ; Santa Rita Mountains, Arizona (Snow) ; Bailey, Colo- 

 rado; Montana; California and Washington Territory. 



In H. J. Reinhard's collection are 23 specimens from College 

 Station, Texas, and 3 from Dallas, Texas, all collected by himself. 



In the California Academy of Sciences are 25 specimens, of which 

 21 are from localities in California — Yosemite Valley, Strawberry 

 Valley, Vivian Park, Clayton, ISIineral King, Davis Creek, Buck 

 Creek, Mendocino County, Stockton, Panoche Hills, and San Diego, 

 collected by Van Duzee, Van Dyke, Fox, Leach, and Blaisdell. The 

 other four are from Garfield, Logan, and Salt Lake City, all in Utah, 

 and collected by Van Duzee. 



In C. W. Johnson's collection are two specimens; 1 from Stam- 

 ford, Connecticut (Morse), the other from Cranbrook, British Co- 

 lumbia (Garrett). 



In the Canadian collection are 8 specimens, all from British Co- 

 lumbia, as follows: Victoria, William Head, and Saanich District 

 (all by Downes) ; Vernon (Cutler) ; Oliver (Vroom, Buckell) ; 

 Penticton (Treherne); Lillooet (Anderson). 



Type.—M^\Q, Cat. No. 28282, U.S.N.M., from Falls Church, 

 Virginia (Greene) ; allotype female from Great Falls, Virginia 

 (Currie). 



CYLINDROMYIA DECORA, new species 

 (Fiss. 12, 30) 



This species is strikingly similar to vulgaris^ but seems to occur 

 more eastward and can be readily separated, at least in the male, 

 by the characters given in the table. The second abdominal seg- 

 ment has rather smaller bristles at the lower hind corners. The fifth 

 sternite is the same. The posterior forceps are more white in color, 

 noticeably shorter and in profile thicker than in vulgay^ls. The 



