Sept., 1910.] A List of Labrador Coleoptera. 183 



49. Hydroporus longicornis Sharp. 



Stupart's Bay (R. Bell: Packard). Finland, Scotland, Wales, 

 Savoy (Sharp). 



50. Hydroporus perplexus Sharp. 



Stupart's Bay (R. Bell: Packard). Allied to the following spe- 

 cies. Described from California. 



51. Hydroporus tenebrosus Lee. 



Caribou Island (Packard); Ungava Bay (Turner: Schwarz list). 

 The three Turner specimens are very large and reddish. Described 

 from Lake Superior. I take this species at Hermit Lake (3,700 

 feet) on Mt. Washington, N. H., also at Randolph, N. H. (1,300 

 feet). Tyngsboro, Mass. (Blanchard). 



52. Hydroporus morio Sharp. (=z articeps Crotch = melanocephalus Marsh., 



Steph. as ordinarily referred to.) 



Ungava Bay (Turner: Schwarz list) ; West St. Modest, Red Bay, 

 Hopedale, Nachvak; common. Greenland (Lundbeck) ; Mt. Wash- 

 ington, N. H. (Bowditch). I have taken this species on Mt. Wash- 

 ington both at Hermit Lake (3,700 feet), below the tree line, and at 

 the Lakes of Clouds (5,000 feet). Europe; Siberia; Finland 69° 

 north; Scotland (Sharp). 



53. Hydroporus puberulus Lee. 



Sloop Harbor, Dumplin Harbor (Packard). Described from 

 Lake Superior. 



54. Hydroporus humeralis Aube. 



West St. Modest, three specimens. Alaska, British Columbia. 



55. Hydroporus arcticus Thomson. 



Several specimens from Nachvak ; one from Hopedale ; identical 

 with my Lapland examples received from Rene Oberthiir. Arctic 

 Siberia 69° north (Sahlberg). 



56. Coelambus unguicularis Croteh. 



Ungava Bay (Turner: Schwarz list). Described from British 

 Columbia. 



57. Ilybius subaeneus Er. 



Ungava Bay (Turner: Schwarz list). Red Bay, common: West 

 St. Modest, a few. Europe ; Finland to 69° north, France, Germany : 



