NO. 1710. NORTH AMERICAN DRAGONFLIES—WILLIAMi^ON. 381 



6, and 13, 1907, 2 males, 1 female, E. M. Walker (E. M. W.); June 

 26, 28, 29, 30, July 3, 8, 9, and 30, 1908, 9 males, 9 females, E. M. 

 Walker (E. M. W.). Ontario, August 3, 1906, male, E. M. Walker (E. 

 M. W.). Orono, Maine, June 16, 17, 18, and 27, and August 7, 1898, 

 11 males, 3 females, F. L. Harvey (9 males, 1 female, C. C. A. ; 1 male, 

 1 female, P. P. C; 1 male, 1 female, E. B. W.). Intervale, New 

 Hampshire, June, 1899, teneral male (C. C. A.). Sherborn, Massa- 

 chusetts, male, A. L. Babcock (P. P. C). Woods Hole, Massachu- 

 setts, August, 1875, male, Hagen (M. C. Z.). Oswego, New York, 

 June 26, 1896, teneral male (U.S.N.M.). Fayette County, Pennsyl- 

 vania, June 18, 1899, male, E. B. Williamson. Rockwood, Pennsyl- 

 vania, June 29, 1900, female, E. B. Williamson (U.S.N. M.). Penn- 

 sylvania, male (Acad. Nat. Sci., Phila.). Great Falls, Maryland, 

 July 4, 1899, male (U.S.N.M.). Abingdon, Virginia, August 13, 1901, 

 female, C. C. Adams (C. C. A.). Cedar Bluff, Virginia, August 1, 

 1899, female, C. C. Adams (C. C. A.). Cleveland, Virginia, August 1, 

 2, and 4, 1899, 8 males, 1 female, C. C. Adams (C. C. A.). Oden, 

 Michigan, August 11, 1907, male, L. A. Williamson. Milwaukee 

 River, Milwaukee, Wisconsin, July 25, 1903, male (Mil. Publ. Mus.). 

 Waterloo, Iowa, June 8, 1906, 3 males, 1 female, Newton Miller. 

 Kappa, Illinois, August 5, 1893, 2 males, C. C. Adams (C. C. A.). 

 Belvidere, Illinois, June 29, 1888, female (P. P. C). Elkhart, Indi- 

 ana, June 1 1 and July 4, 1896, male and female, R. J. Weith (P. P. C.) ; 

 May 28, 1900, teneral female, R. J. Weith (U.S.N.M.). Fort Wayne, 

 Indiana, July 18, 1901, June 17, 1902, 2 males, 1 female, E. B.William- 

 son. Bluffton, Indiana, June 20, 1901, male,E. B. WiUiamson. Wal- 

 nut Creek, Putnam County, Indiana, June 27, 1908, 6 males, E. B, 

 Williamson. Columbus, Ohio, July 13, 1898, female, J. S. Hine 

 (O.S.U.). Sandusky, Ohio, July 12, 1903, 2 males, 1 female, E. B. Wil- 

 liamson; July, 1896, July 20, 1899, 3 males, J. S. Hine. Livingston, 

 Kentucky, June 23, 1904, male, E. B. Williamson. Knoxville, Ten- 

 nessee, female, Dr. Josiah Curtis (M. C. Z.). Big Creek, Tennessee, 

 female, C. C. Adams (C. C. A.). Sneedsville, Tennessee, Clinch River, 

 August 16, 1899, female, C. C. Adams (C. C. A.). Without data, 4 

 males, 1 female (2 males, 1 female, O. S. U.; 1 male, M. C. Z.; 1 

 male, C. C. A.). Total, 68 males, 29 females. 



MACROMIA AUSTRALENSIS, new species. 



Length of abdomen: Male, 50-52.5 mm.; average, 51.1; female, 

 50-52 mm. ; average, 50.7. Length of front wing: Male, 44.5-48 mm. ; 

 average, 45.7 ; female, 48-50 mm. ; average, 49. Length of hind wing: 

 Male, 43-47 mm.; average, 44.2; female, 46.5-49 mm.; average, 47.5. 

 Length of first tibia, male, 7.25 mm.; hind femur, male, 12 mm. 

 Length of tibial keel in length of tibia, male: First tibia ^ to J— ; 

 middle tibia ^— to f . 



