184 Journal New York Entomological Society. [Voi. xviii. 



Hudson Bay (Sharp); Newfoundland: Bay of Islands, Little Codroy 

 River (Bolster). 



58. Ilybius pleuriticus Lee. 



\\'est St. Modest, uncommon. Hermit Lake, Mt. Washington, 

 N. H. (3,700 feet). Newfoundland, Bay of Islands (Leng, Bolster). 

 Described from Lake Superior. Occurs rarely in northeastern 

 states. 



59. Ilybius angustior Gyll. (= Colymbetes picipes Kirby.) 



Caribou Island, Strawberry Harbor (Packard) ; Red Bay, very 

 common ; West St. Modest. Mt. Washington, N. H., one in Lakes of 

 Clouds (Bowditch), Kenai, Alaska; Lake Superior, Kansas, 

 Siberia, northern Europe, Lapland (Hamilton). 



60. Ilybius discedens Sharp. 



West St. Modest, four. Mt. Washington, N. H., one specimen 

 in Lake of Clouds (Blanchard) ; Newfoundland, Bay of Islands 

 (Leng). Described from Hudson Bay. 



61. Agabus seriatus Say. (= parallcliis Lee.) 



Square Island (Packard). I took several on Mt. Washington 

 carriage road, about 2,500 feet. Widely distributed in eastern 

 United States. Common in Newfoundland, at edge of tableland of 

 Little Codroy River, 700 feet (Bolster). Summit of Mt. Wash- 

 ington. July (Bowditch). 



62. Agabus semipunctatus Kirby. 



Caribou Island (Packard). I have taken this species at Lakes 

 of Clouds Mt. Washington, N. H. (5,000 feet), Storm Lake, N. H. 

 (4,900 feet), Randolph, N. H. (1,300 feet), Peekskill, N. Y. I also 

 have specimens from Antigonish, Nova Scotia ; Ottawa, Ontario 

 (Harrington); Lake Forest, Illinois (Needham) ; Brookline, Massa- 

 chusetts (Bowditch). Hamilton gives Kenai, Alaska, Lake Supe- 

 rior, ^lissouri. 



63. Agabus aeneolus Crotch. (r= punctnlatus Aube.) 



Caribou Island (Packard). Mt. Washington, N. H., Lakes of 

 Clouds July (Bowditch) ; September (Sherman) ; West Hebron, 

 N. Y. (Leng) ; Colorado 8,000 feet (Bowditch) ; Corvallis, Oregon 

 (W^oodcock) ; Lake Superior (LeConte) : Pennsylvania, Newfound- 

 land (Crotch). 



