. The Canadian entomologist. Insects; Entomology. THE CANADIAN ENTOMOLOGIST. 199 the tip; venation brown, none of the veins margined, basal costal cross- vein wholly pale; last dorsal segment of abdomen with two narrow parallel depressions above. Legs pale, femora a little darker at tips, not in middle. In the male the basal joint of tarsus I is shorter than the fifth. Length, lo mm. From Glencarlyn, Va., July 23 ; Harrisburg, Penna., Wetzel's Swamp, Oct. 2, and Great Falls, Va., June 18, ^. Heptagenia placita, n. sp. Male : Head pale, a transverse dark band on vertex; notum rich brown; pleura
. The Canadian entomologist. Insects; Entomology. THE CANADIAN ENTOMOLOGIST. 199 the tip; venation brown, none of the veins margined, basal costal cross- vein wholly pale; last dorsal segment of abdomen with two narrow parallel depressions above. Legs pale, femora a little darker at tips, not in middle. In the male the basal joint of tarsus I is shorter than the fifth. Length, lo mm. From Glencarlyn, Va., July 23 ; Harrisburg, Penna., Wetzel's Swamp, Oct. 2, and Great Falls, Va., June 18, ^. Heptagenia placita, n. sp. Male : Head pale, a transverse dark band on vertex; notum rich brown; pleura pale, mostly white; abdomen pale, posterior margin of dorsal segments narrowly black ; last two segments reddish-brown ; setse very pale, the joinings barely marked ; venter pale; legs pale, femora without median mark, but distinctly darker at tips, tip of tibia I black. Wings hyaline, with brown vena- tion, apical marginal area suffused with brown, basal costal cross-veins black, and Fig. ^s>/fl^*«/a/s/acjv«, male forceps costal area bcforc it rather darkened, no and last dorsal seg'ment. Other veins margined, six cross-veins be- fore bulla, twelve beyond it. First tarsal joint of leg I one-half as long as second joint, and a trifle longer than the fifth joint. Length, mm.; wing, mm. From Sport Island, Sacandaga River, N. Y., June 12. (Alexander.) Heptagenia tripunctata, n. sp. Male : Thorax as dark as in H. terminaia, femora with middle and apical dark bands, tip of tibia I dark ; basal joint of tarsus I one-half as long as second joint, subequal to fifth joint; a few brown dots on face, especially two near middle below the anterior ocellus. Each segment of the abdomen with three dark dots on its hind border, one at middle, and one on each lower side, near the stigma ; venter unmarked. Wings with dark on the apical costal part; basal cross-vein very heavy and black, other costals also dark ; anterior pleura with an oblique dark streak ; eight to ten costals
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