100 JOHN HAMILTON, M. D. 



61. H. obscurus Sturm. 



This species is, so far, unknown here, but Sharp saw two specimens 

 in Mr. Andrew Murray's collection said to be from North America. 

 Northern and central Europe. Arctic Siberia (Chantaika River and 

 Tschornaja Island). Sh., 459 ; Heyden, 55. 



62. H. fuscipennis Kies. 



Alaska. Northern Europe (Sweden, Finland, Germany). Chan- 

 taika River, Arctic Siberia. Sh., 461 ; Heyden, 55. 



63. H. g-labriusculus Aube. 



Sharp refers a specimen from Massachusetts to this species as a 

 variety, otherwise it is probably unknown here. " Lapland, Angora, 

 eastern Siberia." Sh., 470. 



64. H. tartaricus Lee, nigellus Mann. 



Described from Lake Superior, but not known to have occurred 

 there since. My specimens are from Montrose County, Colorado, at 

 10,000 feet altitude {Bmvd'dch). Hudson Bay {LeConte Cat). 

 Arctic Siberia (the Jenisei from 69° 30' to 72°). Sh., 470 ; Heyden, 

 55; Mann., 1853. 



65. H. atriceps Crotch, morio Sharp, melanocephahis Marsh J 



This species occurs in the White Mountains, New Hampshire 

 (Sharp). Finland to 69°. Scotland. Arctic Siberia (Obi, Jenisei). 

 Sharp, 471 ; Heyden, 55. 



66. H. tristis Payk., varians Lee, siibtonsus Lee, ruficapillus Mann. 



This species extends across the northern part of the continent 

 from Massachusetts to Alaska (Vermont, Canada, Michigan, Lake 

 Superior, Hudson Bay (LeCo)ite Cat). Northern Europe to 69° in 

 Finland. Arctic Siberia (the island of Tschornaja) ; Kirg. Steppes. 

 P. vii, 297 ; T. iv, 395 ; T. x, 278 ; Sh. 472 ; Heyden, 55. 



67. H. vittulus Er., ? striola Gyll. 



This species occurs in British Columbia (fide Sharp). Northern 

 Europe. Asiatic Siberia, in the northern affluents of the Jenisei. 

 Sh., 474 ; Heyden, 55. 



68. H. oblongus Steph , conoideus Lee. 



This species is not commonly found. Canada, Lake Superior 

 (LeConte), Port Huron, Mich. (Schwarz), Vancouver. Northern 

 Europe to 66° 20' in Finland. Arctic Siberia in the Kurej River. 

 T. iv, 396 ; Sh., 485 ; Heyden, 54. 



