46 PKOCEEDINGS OF THE NATIONAL MUSEUM vol. G9 



It appears that Riley's material of piscicidium Avas mixed (No. 

 390), his adults being vetiustum, but the larvae decorum. 



Type localities. — Of venustuin, Shippingsport, Ohio. The type is 

 lost. 

 Of jnscieldiv/)}. Mumford. New York. Type in 

 U. S. National Museum, Cat. No. 771, U.S.N.M. 

 Of molesfum, probably Massachusetts. The type 

 may be in the collection of the Boston Societj- 

 of Natural History. 

 Of minutuTn.) Minnesota; exact locality and loca- 

 tion of tj^pe unknown to us. 

 Of jenmng&l. Plummers Island, Marjdand. l^pe 

 in U. S. National Museum, Cat. No. 15412. 

 U.S.N.M. 

 Of rileymm. Long Lake, New York. Type pre- 

 sumably in collection Enderlein. 

 I>lstrihutio7i. — Alaska: Ketchikan, August 6, 1919 (H. G. Dyar). 

 Metlakahtla, May 6, 1899 (T. Kincaid). Pop- 

 off Island, July 9, 1899 (T. Kincaid). Seward, 

 July 25, 1921 (J. M. Aldrich). Camp 327. July 

 31, 1921 (J. M. Aldrich). 

 Alberta: Medicine Hat, October. 1911 (J. H. 



Mallorh). 

 British Columbia : Prince Rupert, August 16, 1919 

 (H. G. Dyar). Lake Atlin, July 26, 1919 (H. 

 G. Dyar). Bear Lake, July 20, 1903 (R. P. 

 Currie). 

 Colorado: Tennessee Pass, July 23, 1917 (J. jNI. 



Aldrich). 

 Florida: Biscayne Bay (A. T. Slosson) : May 9-29, 



(H. G. Hubbard). 

 Idaho: Moscow, July 2, 1912 (J. M. Aldrich). 

 Gospel Mountains, July 12, 1907 (J. M. Aldrich). 

 Lewiston, June 1, 1904 (J. M. Aldrich). 

 Illinois: Algonquin, May 18, 1913 (Q. A. Nason). 



Dubois, April 24, 1914 ( ). L^rbana, May 



6, 1916 ( ). White Heath, Mav S, 1915 



( )■ 



Indiana: LaFayette, October 14 (J. M. Aldrich). 



Iowa: Davenport, May 29, 1916 (J. M. Aldrich). 

 Louisiana: Friersons Mills, May 6, 1889 (J. A. 



Frierson). 

 Maryland: Plummers Island, May 23, 1914 (R. C. 



Shannon). Forest Glen, May 18. 1914 (O. 



Heidemann). Chevy Chase Lake, July 4. 1907 



