54 Bulletin Wisconsin Natural History Society. [Vol. 8, No. 1. 



St. Croix Dam, Doug-las Co., July 17-22; 11 males, 7 females. 



Nemakagon River, Burnett Co., July 25-26, 1909; 1 male, 2 

 females. 



Yellow River, Burnett Co., July 28-31 ; 1 male. 

 The females of this material offer an interesting series, in which, 

 besides the generally brown color of the wings, the apices of all wings 

 are more or less infuscated. In two specimens this infuscation is so 

 intense as to resemble that of the male. In a third specimen it is 

 entirely absent in the fore wongs, while the hind wings are but faintly 

 darkened in the apical region. 

 Lestes unguiculatus Hagen. 



St. Croix Dam, Douglas Co., July 17-22, 1909 ; 1 male. 



Cedar Lake, Washington Co., Aug. 21, 1909, 1 male; Aug. 29, 



1 male, 1 female; Aug. 30, 4 males, 3 females. 

 Argia putrida Hagen. 



St. Croix Dam, Douglas Co., July 17-22, 1909 ; 20 males, 11 females. 



Cedar Lake, Washington Co., Aug. 21, 1909, 1 male, 2 females; 



Aug. 29, 1 male; -Aug. 30, 1 male, 1 female; Aug. 31, 1 male, 



2 females. 



This species is common all over the state. It appeared in greater 

 numbers last summer than ever before. On favorable days the grasses 

 and bushes in sunny places along the Milwaukee River were fairly 

 covered with the bluishly pruinose males and brownish females of this 

 rapidly aging species. 

 Argia violacea Hagen. 



Cedar Lake, Washington Co., Aug. 21, 1909, 4 males. 



Enallagma hagen i Walsh. 



Solon Springs, Douglas Co., July 7-15, 1909 ; 3 males, 2 females. 



St. Croix Dam, Douglas Co., July 17-22, 1909 ; 6 males, 4 females. 



Cedar Lake, Washington Co., Aug. 29, 1909 ; 1 male. 

 Enallagma caruculatum Morse. 



St. Croix Dam, Douglas Co., July 17-22, 1909 ; 2 males, 2 females. 



Cedar Lake, Washington Co., Aug. 25, 1909; 5 males, 1 female. 



Enallagma calverti Morse. 



Johnson's Woods, Milwaukee Co., June 28, 1909; 1 male. 



Soldiers' Home, Milwaukee, Wis., Aug. 28, 1909 ; 1 male, 2 females. 

 Enallagma signaturn Hagen. 



St. Croix Dam, Douglas Co., July 17-22, 1909 ; 1 male, 2 females. 

 This beautiful species, which because of its yellow and brown tints 



