AKT. 10 THE FAMILY SIMULIIDAE DYAR AND SHANNON 29 



small teeth in bend and margin ; lateral expansion large, (figs. 106. 

 107. and 108.) 



Type localities. — Of mttatuiii, probably Lapland, exact locality 



and present location of type unlaiown to us. 



Of trihvlatum, Minnesota, exact locality in and 



present location of type unknown to us. 

 Of glaucuiiv, Kansas City, Mo., type in the IT. S. 



National Museum. Cat. No. 6184. TLS.N.M. 

 Of daJilgrilni, Greenland, type presumably in 

 collection Enderlein. 

 S. vittatum attacks man and livestock freely. It is a common 

 s])ecies in Europe and is widespread throughout North America, 

 occurring nearly as far north as the Arctic Ocean. 

 Ninety-seven specimens at hand. 



IHsti^ibutwn. — Alaska: Yakutat. June 21, 1899 (T. Kincaid). 

 Popoff Island, July 10, 1899 (T. Kincaid). Kat- 

 mai, July, 1917 (J. S. Hine). 

 Arizona : Tempe. June 19, 1917 (J. M. Aldrich). 

 British Columbia: Taku, Jidy 22, 1919 (H. G. 



Dyar). 

 California: Seneca, March, 1924 (F. J. Silor). 

 Death Valley, April, 1891 (A. Koebele). Clare- 

 mont (C. F. Baker). Los Angeles, July (D. W. 

 Coquillett). Bridgeport, June 22. 1916 (H. G. 

 Dyar) . Fallen Leaf, June 4, 1916 (H. G. Dyar) . 

 Colorado : Pike's Peak (T. D. A. Cockerell). 

 Greenland: Taserii, August 5, 1890 (W. Lund- 

 beck). Kr'haab, July 31, 1890 (W. Lundbeck). 

 Idaho: Moscow% June 19, 1900 (J. M. Aldrich). 

 Julietta, July 16, 1924 (J. M. Aldrich). Hager- 

 man (J. M. Aldrich). 

 Illinois: Algonquin, May 7, 1913 (W. M. Nason). 

 Indiana: La Fayette, April 5 (J. M. Aldrich). 



Richmond ( ). 



Iow^a: Davenport, May 29, 1916 (J. M. Aldrich). 



Labrador: Fort Chimo (L. M. Turner). Hawk's 



Harbor, July 20, 1908 (Peary's North Pole 



Expedition). 



^Iaryland: Forest Glen. April 19, ^Ux 10, 1914 



(O. Heidemann). 

 Mexico: Victoria. Tampico, December 10 (F. C. 



Bishopp). 

 Minnesota: Grand Rapids, August 18, 1896 



( ). 



