99 
NOTES ON INDIANA DRAGONFLIES. 
BY 
EK. B. WILLIAMSON. 
A list of the species of dragonflies of Indiana was published June 5, 1917, 
as Miscellaneous Publications No. 2 of the University of Michigan, Museum 
of Zoology. In that paper are included all records up to the end of the year 
1916. 
In this paper another species is recorded, bringing the Indiana list to 126 
species, and captures, during 1917-1920 inclusive, of species in new localities 
or at different seasons are added, The order and numbers used in the list 
published in 1917, referred to above, are followed here. 
1. Agrion aequabile Say. Allen Co., July 6, 1919. 
6. Lestes congener Hagen. Near Wolf Lake, Noble Co., Sept. 25, 1917. 
12. Lestes uneatus Kirby. Along the Aboite River, at Devil’s Hollow, 
Allen Co.. July 6, 1919, a female of this species was taken flying in couple 
with a male of Argia tibialis. 
13. Lestes unguiculatus Hagen. Round Lake, Whitley County, Sept. 23, 
1917. 
14. Lestes vigilar Hagen. Near Wolf Lake. Noble Co., Sept. 23, 1917. 
18. Argia tibialis Rambur.. See note under 12. Lestes uncatus. 
25. Hnallagma calverti Morse. This species reappeared at the Van- 
Kmon Swamp, near Bluffton. in 1920. On June 6 and 13 it was very 
abundant associated with the much rarer H. cyathigerum. 
24. Hnallagma carunculatum Morse. Round Lake, Whitley Co., Sept. 23, 
1917. 
26. Enallagma cyathigerum Charpentier. See note under 23. Hnallagma 
calverti. 
27. Enallagma divagans Selys. Outlet of Webster Lake, Kosciusko Co., 
July 4, 1917. 
28. Enallagma ebriwn Hagen. Tri Lakes, Whitley Co., June 15, 1919. 
30. Enallagma geminatum Kellicott. Swamp and creek five miles east 
of Lagrange, Lagrange Co.. June 20, 1920. 
31. Hnallagma hageni Walsh. Swamp and creek five miles east of La- 
grange, Lagrange Co., June 20, and 27, 1920. 
33. Hnallagma vesperum Calvert. Dr. Calvert has recently shown that 
the widely distributed species we have been calling Hnallagma pollutwm 
Hagen is really not that species, and he has named it vesperum. Swamp 
and creek five miles east of Lagrange, Lagrange Co., June 20, 1920. 
34. Enallagma signatum Hagen. Swamp and creek five miles east of 
Lagrange, Lagrange Co., June 20, 1920. 
3). Enallagma traviatum Selys. Swamp and creek five miles east of 
Lagrange, Lagrange Co., June 20, 1920. 
38. Amphiagrion sauciwm Burmeister. Swale near creek at Indian 
Village, Noble Co., July 4, 1917. 
39. Chromagrion conditum Hagen. Swamp and creek five miles east of 
Lagrange, Lagrange Co., June 20 and 27, 1920. 
40. Ischnura kellicotti Williamson. Round Lake, Whitley Co., Sept. 16, 
1917; and June 15, 1919; lake at Indian Village, Noble Co., July 4, 1917. 
