THE UAiNADiAN ENTOMULUUlST. 153 



71. SyiiipetriDii semicinctum, Say. — Toronto, Oct., [891; I)e Grassi 

 Ft., Aug., very rare ; Go Home, Georgian Bay ; Algonquin Park. .-\u^. 

 17, 1903; Catfish Lake, Algonquin Park, July 23-25, 1900 (Macoun). A 

 local species, sometimes common where it occurs. 



72. Sympetruni assiniilatinn, Uhler. — Walpole Island, River St. 

 Clair, Aug. 13, 1901, a fair specimen taken with ,S. rubictuidulnm and 

 obtrusum from an open marsh. 



73. Sympetruni ruhicundulum, Say. — Hamilton ; Toronto, July- 

 Nov.; De Grassi Point, July 15, 1901-Sept.; Walpole Island, River St. 

 Clair, Aug, 13, 1901; Niagara Glen, June 28, 1903; Go Home, Georgian 

 Hay : Algonquin Park, July- Aug.; Thessalon, Algoma. Our most 

 abundant Syntpetrum. Specimens from Walpole Id. average considerably 

 larger tlian those from Algonquin Park. 



74. Sympetnun obtrusum, Hagen.— Toronto, July-Oct.; De Grassi 

 Pt., July-Sept.: Walpole Id.. River St. Clair, Aug. 13, 1901 ; South- 

 ampton, Aug. 20, 1901 ; Algonquin Park, July-Aug. Abundant, but less 

 so, as a rule, than rubicundu/um. 



75. Sympetrum comiptum, Hagen. — Toronto, Humber River, Sept. 

 25, 1891, 1 $ (Brodie). 



76. Pachydiplax /ongipennis, p]urm. — Hamilton (Anderson) ; 

 Toronto, June 22, 1903-Aug.; Burwash Bay, Georgian Bay, Sept. 17, 

 1903. mature nymj^hs. 



I have bred this species from nymphs taken in Grenadier Pond. 

 Toronto, where it flies in abundance in July. 



77. Mesothemis simplicicollis, Say — Point Pelee, Aug. 8, 1901, i $ 

 worn and pruinose ; Hamilton (Anderson) ; Toronto, June 20, 1903; De 

 Grassi Pt., July 13, 190 1. A common species in Toronto and southward, 

 but rare farther north. 



78. MicratJiyria berenice, Drury. — This species has been reported 

 by Calvert from the Thousand Islands, New York, and is therefore 

 doubtless a resident of the adjoining parts of Ontario. 



79. Ladona Julia, Uhler. — London; Toronto, June 24, 1904; Go 

 Home, Georgian Bay, July 19, 1904, young and half-grown nymphs, r ^ 

 imago, no date ; Algonquin Park, July 5, 1900 (Macoun). 



So. Libellula incesta, Hagen.— Pt. Pelee, Aug. 7, 190 1, 3 V 9 . 



81. Libellula basalts, Say. — Hamilton ; Toronto, June 22. 1901- 

 July, abundant at High Park ; Lake Simcoe, July 4, 1901 ; Niagara Glen, 

 June 28, 1903. 



