1924 ENTOMOLOGICAL SOCIETY 93 



296 Hydrophorus philombrius Wheeler. Aweme, Man., September, (Criddle). 

 Hydrophones altivagns Aid. Lethbridge, Alta., July, (Seamans). 

 Hydrophorus algens Wheeler. Banff, Alta., July to September, (Garrett). 

 Hydrophorus gratiosus Aldrich. Chin, Alta., May, (Carter, Seamans). 

 Hydrophorus amplectens Aid. Hemmingford, Que., June, (Curran). 

 Hydrophorus extrarius Aid. Ottawa, Ont., April, (Curran). 

 ■Hydrophorus cestuum Lw. Hemmingford, Que., June, (Curran); Aweme, Man., August, 



(Robertson); Lethbridge, Alta., June, (Seamans). 

 Hydrophorus chrysologus Walker. Ontario, Quebec, (Curran), common. 

 *298 Dolichopus uliginosus V.D., Nanaimo, B.C., June, (E. P. Van Duzee). 



Psyche, XXX, No. 2. 

 Dolichopus viridis V.D. Oliver, B.C., May, (Garrett). 



Dolichopus v.igricauda V.D. Osoyoos and Oliver, B.C., May, June, (Garrett;. 

 . Dolichopus burnesi V.D. Covey Hill, Que., June, (Curran). 

 Dolichopus conspectus V.D. Chin and Lethbridge, Alta., May, (Seamans) ; Osoyoos and 



Oliver, B.C., May, June, (Garrett). 

 Dolichopus gratus Loew. Hemmingford, and Hull, Que., June, (Curran). 

 Dolichopus calcaratus Aid. Covey Hill, Que., June, (Curran). 

 Dolichopus melanderi V.D. Osoyoos, B.C., May, (Garrett). 



Dolichopus barbicauda V.D. Hemmingford and Covey Hill, Que., June, (Curran). 

 Dolichopus cequalis V.D. Meganiic, Que., June, (Curran). 

 Dolichopus remipes Wahl. Orillia, Ont., July, Covey Hill and Hemmingford, Que., 



June, (Curran); Sandridge, Man., June, (Hunter and Cumming). 

 Dolichopus incongruus Wheeler. Orillia, Ont., July, (Curran). 

 Dolichopus laticornis Lw. Hull, Que., June, (Curran). 

 Dolichopus apheles Mel. & Br. Hull, Que., June, (Curranj. 

 Dolichopus genualis V.D. Covey Hill, Que., Ottawa, Ont., June, (Curran). 

 Dolichopus trisetosus V.D. Covey Hill and Megantic, Que., June, (Curran). 

 Dolichopus comatus Loew. St. Cecile, Woburn and Covey Hill, Que„ June, (Curran). 

 Dolichopus virga Coq. Covey Hill, Que., June, (Curran). 

 Dolichopus flaviciliahis V.D. Sudbury, Ont., (Evans). 



Dolichopus renidescens Mel. & Br. Oliver, and Osoyoos, B.C., May, June, (Garrett). 

 Dolichopus porphyrops V.D. Hull, Que., June, (Curran). 

 Dolichopus plumitarsus Fall. Ottawa, Ont., June, (Curran). 

 Dolichopus fulvipes Loew. Covey Hill, Que., June, (Curran). 

 Dolichopus luteipennis Loew. Orillia and Seabright, Ont., July, (Curran). 

 Dolichopus wheeleri Mel. & Br. Covey Hill, Que., June, (Curran). 

 Dolichopus compactus V.D. Oliver, B.C., June, (Garrett). 

 Dolichopus ceratus V.D. Oliver, B.C., June, (Garrett). 



Dolichopus amphericus Mel. & Br. Waterton, Alta., June, (McDunnough). 

 Dolichopus penicilatus V.D. Strathclair, Man., Aug., (Robertson). 

 Dolichopus chrysostoma Loew. Covey Hill, Que., June, (Curran). 

 Dolichopus harbecki V.D. Covey Hill, Que., June, (Curran). 

 Dolichopus versutus V.D. Hull, Que., June, (Curran). 



Dolichopus sicarius V.D. Hemmingford and Hull, Que., June, July, (Curran). 

 Dolichopus scoparius Loew. Megantic, Hull, Covey Hill and Hemmingford, Que., June, 



July, (Curran). 

 Dolichopus plumosus Aid. Waterton, Alta., July, (McDunnough, Seamans). 

 305 Gymnopternus humilis Loew. Quebec, common, (Curran). 



Gymnopternus phyllophorus Loew. Ontario, Quebec, June to August, (Curran). 

 Gymnopternus lunifer Loew. Hull, Que., June, (Curran). 



Gymnopternus chalcochrus Loew. Ontario, Quebec, June to August, (Curran). 

 *306 Hercostmus costalis V.D. Toronto, Ont., July; Port Credit, Ont., Ridgway, Ont., (Van 



Duzee). 



Psyche, XXX, No. 2. 

 Hercostomus unicolor Loew. Waterton, Alta., July, (Seamans); Aweme, Man., July, 



(Robertson). 



307 Tachytrechus vorax Loew. Hemmingford, Que., Orillia, Ont., June to August, (Curran). 

 Tachytrechus binodatus Loew. Hemmingford, Que., Orillia, Ont., June to August, 



(Curran). 

 Tachytrechus moechus Loew. Hemmingford, Que., Orillia, Ont., June, July, (Curran). 

 Tachytrechus sanus O.S. Waterton, Alta., June, July, (McDunnough, Seamans). 

 Tachytrechus bipunctatus Greene. Waterton, Alta., July, (McDunnough). 



308 Pelastoneurus ramosus V.D. Hull, Que., September, (Curran). 



Platypezidae 

 *340 Agathomyia canadensis Johnson. Norway Point, Lake of Bays, Ont., August, (J. 

 McDunnough). 

 Occ. Papers Boston Soc. Nat. Hist., Vol. V. 



Syrphidse 



347 Chrysotoxum coloradensis Greene. Kelowna, B.C., July 29, (Buckell). 



Chrysotoxum ventricosum Lw. Fort Wrigley, N.W.T., (C. H. Crickmay). 



